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仁愛地理參考答案七年級

發布時間: 2021-03-05 04:30:39

1. 七年級上冊地理試卷及答案!

(考試形式:筆試 試題共兩大題25小題 卷面分數:100分 考試時限:60分鍾)

考生注意:本試卷分第Ⅰ卷和第Ⅱ卷兩部分。請考生將第Ⅰ卷選擇題的正確答案項字母代號寫在第Ⅱ卷的相應答案欄內。寫在第Ⅰ卷無效,交卷時只交第Ⅱ卷。

第 Ⅰ 卷

一、選擇題(下列各題中,只有一個選項正確。共20小題,每小題2分,計40分)

1.「早穿棉襖、午穿紗」說明新疆的氣候

A.終年寒冷 B.炎熱乾燥 C.晝夜溫差大 D.溫和多雨

2.某校在一次地理活動課中測得校園長為500米,寬為300米。若在長為50厘米,寬為30厘米的圖幅上繪制該校平面圖,應選用最合理的比例尺為

A.1:100000
B.1:10000 C.1:1000
D.1:100

3.有關經緯線的說法,正確的是

A.赤道是南北半球的分界線,本初子午線是東西半球的分界線
B.經線和緯線都是圓
C.所有經線的長度都相等
D.所有緯線的長度都相等

4.下列地點既屬於東半球,又屬於北半球的點是

A.116°E 40°N B.10°W 25°S C.80°W 30°N D.90°E 75°S

5.世界上跨經度最廣的大洋是

A.太平洋 B.印度洋 C.大西洋 D.北冰洋

6.赤道橫穿哪幾個洲的大陸

A.南美洲 非洲 B.亞洲 歐洲
C.亞洲 非洲 D.大洋洲
亞洲

7.孔子「登泰山而小天下」主要是因為

A.泰山海拔特別高 B.泰山海拔特別低
C.孔子只登過泰山 D.泰山與周圍地區的相對高度相差很大

8.宜昌市的人口是400萬,面積是2萬平方千米。人口密度是

A.200人 B.200人/平方千米 C.50人 D.50人/平方千米

9.下列說法不符合板塊構造學說的是

A.全球有六大板塊
B.板塊內部較穩定
C.板塊與板塊交界地帶,多火山、地震
D.大西洋是板塊碰撞形成的

10.亞洲西部、非洲北部和印度北部主要分布的是

A.白種人 B.黃種人 C.黑種人 D.混血人種

11.同學們都知道《西遊記》的故事,他們在「西天」取回的經書是屬於下列哪種宗教

A.伊斯蘭教 B.佛教 C.道教 D.基督教

12.在某日衛星雲圖上,宜昌上空一片綠色。說明宜昌的天氣是

A.陰天 B.晴天 C.多雲轉陰 D.陰轉小雨

13.每年夏初,長江中下游地區形成「黃梅時節家家雨、青草池塘處處蛙」的景觀,時間長達一個月之久。其降水類型是

A.地形雨 B.對流雨 C.鋒面雨 D.台風雨

14.某地一年內有兩次陽光直射、全年晝夜平分。這個地方在

A.北回歸線上 B.北極圈上
C.赤道上
D.南回歸線上

15.「人間四月芳菲盡、山寺桃花始盛開」反映了受下列哪個因素的影響

A.緯度因素 B.海陸因素 C.地形因素 D.洋流因素

16.發達國家與發展中國家的差異主要受下面哪種因素的影響

A.政治制度 B.面積大小
C.人口多少
D.社會經濟發展水平

17.近年來,中美貿易不斷增長。我國貨輪從上海港出發,沿海最近的路線到達大西洋西海岸的美國,將通過

A.蘇伊士運河 B.巴拿馬運河 C.馬六甲海峽 D.直布羅陀海峽

18.非洲赤道附近的地區主要的氣候類型為

A.熱帶沙漠氣候 B.熱帶雨林氣候 C.熱帶草原氣候 D.地中海氣候

19.2005年1月6日凌晨,我國第13億個小公民在北京誕生,標志著我國13億人口日推遲4年到來。13億人口日推遲4年到來,是因為我國

A.人口基數大 B.人口老齡化加快
C.農村人口多 D.實行了計劃生育

20.讀下面的等高線圖,AB坡和AC坡相比,坡度更

A.緩 B.陡 C.一樣 D.無法確定

第 Ⅱ 卷

二、綜合題

21.讀經緯網圖,完成下列問題。(10分)

(1)2008年夏季奧運會將在我國北京舉行。許多外國朋友不知道北京的位置,請你在右圖中標出「北京(116°E 、40°N)」的位置。

(2)當北京舉行夏季奧運會時,南半球的悉尼是 季。

(3)寫出圖中A點的經緯度 ,B點經緯度 。

(4)B點在A點的
方向;B點位於
(熱帶、溫帶、寒帶)。

(5)圖中位於中緯度地區的點是 (A、B)。

(6)一代偉人毛澤東,戎馬倥傯、南征北戰,足跡遍及大江南北、長城內外。在興致所至時揮毫寫下了許多優美的詩篇「坐地日行八萬里、巡天遙看一千河。」(七律·送瘟神)這句詩中蘊含的地理知識是 。

22.閱讀某地區平面圖及等高線圖,完成下列問題。(10分)

(1)山頂A位於城鎮E的 方向;山頂A與山頂B的相對高度是 ;若村莊C的氣溫為18℃,則山頂A的氣溫為 。

(2)點G到點F的實際距離是
,若汽車在G點以40千米/小時的速度行駛到F點,先向
方向行駛,然後轉向 方向變化;途中大約需要 分鍾。

(3)簡述城鎮E發展起來的原因?(2分)

23.讀「某地月平均氣溫和月降水量簡表」,完成下列各題。(9分)

月份123456789101112氣溫(℃)﹣5-24122024272420124﹣2降水(毫米)1015202530701902506025125

(1)根據表中的數據,在右圖中將「各月平均氣溫曲線和月降水量柱壯圖」補充完整。

(2)該地最熱月的平均氣溫為 ℃;最冷月的平均氣溫為 ℃;該地的氣溫年較差為 ℃。

(3)該地月降水量超過100毫米的月份為 ;按照降雨的季節分配類型,屬於 季多雨型。(冬、夏)

(4)根據圖表分析,該地氣候特徵為 。

24.讀下列的材料,思考並完成下列問題。(12分)

材料:細心的人會注意到,兩年前的10月,我國第一艘載人飛船神舟五號發射成功。今年神舟六號的發射,又逢金秋時節,難道是巧合嗎?不是。這是因為秋季的氣象條件,最適合我國發射載人飛船。

飛船發射季節的選擇,要考慮到各種可能影響到發射的因素,其中氣象條件是最直接、最關鍵的決定因素。

飛船上天後,要由航天測控網對飛船實施測控管理。我國的航天測控網由多個地面測控站和4艘遠望號航天測量船組成。這4艘測量船分別是太平洋上的「遠望」一號和「遠望」二號測量船,印度洋上的「遠望」四號測量船,大西洋上的「遠望」三號測量船。其中,3艘測量船都在緯度相對較高的南半球。

南半球的季節正好與我國相反。我國的春夏季節在南半球是秋冬季節,海況很惡劣,即使正常航行都難保安全,更不用說在海上執行測控任務了,因此不宜發射飛船。我國的秋冬季節在南半球是春夏季節,海況較好,便於航行和執行測量任務。因此,我國神舟一號至五號飛船的發射時機都選在與南半球相反的秋冬季節。(宜昌日報)

(1)影響「神舟六號」發射的因素中,最直接、最關鍵的決定因素是 ;

(2)飛船上天後,要由航天測控網對飛船實施測控管理。我國4艘遠望號航天測量船實行測控的地點在 、 、 ;其中有3艘遠望號航天測量船在 半球 緯度地區。

(3)「神舟六號」為什麼要在秋季發射?(2分)

(4)「神舟六號」發射要考慮天氣和氣候的條件;我們的日常生產、生活也離不開天氣和氣候。請你試舉兩個事例說明天氣和氣候與我們的生產、生活的關系。(4分)

25.讀「全球候鳥遷徙路線圖」及相關材料,回答問題。(19分)

材料一: 在周邊國家紛紛「中招」後,中國也終於未能倖免,此次禽流感為何來勢如此洶洶?它是怎樣傳播擴散的?專家分析,此次禽流感,極有可能與遷徙候鳥參與傳播有關。一般通過兩種途徑傳染,一是通過禽肉、禽蛋等禽產品的流通進行傳播,另一種就是通過飛禽傳播,主要是通過大量攜帶病毒的候鳥遷徙進行傳播。當攜帶病毒的野鴨、大雁等候鳥往南遷徙過冬時,其帶有病毒的糞便及分泌物會污染遷徙沿途的水源、土壤等環境,當地禽類一旦接觸帶有病毒的環境,便會感染禽流感,並波及與之接觸的人類。(新浪網)

材料二: 1878年以來,禽流感的暴發頻率呈幾何級數增加,使人們不得不思考其中原因。首先,隨著社會和科技的進步,人們對於疾病的關注更勝從前,同時由於流通渠道的方便和快捷,信息共享的程度更高了,一些流行疾病由於人們的關注而顯得發生得更加頻繁。但是不可否認,人類的活動確實在不斷改變著自然,改變著人類所有能夠觸及的生態環境。禽流感近年來的頻繁暴發確實和人類對環境的改變有著一定的關系。(CCTV-農業頻道)

(1)讀「全球候鳥遷徙路線圖」,候鳥遷徙的路線中經過中國的有
條;找出其中候鳥經過大洲、大洋最多的一條路線,並將大洲、大洋的名稱寫出來:
、 、 、 、 、 、 。

(2)圖中不可能發生禽流感的大洲是 。

(3)認真閱讀材料:此次禽流感的傳播途徑是什麼?(2分)

(4)「人類的活動確實在不斷改變著自然,改變著人類所有能夠觸及的生態環境。禽流感近年來的頻繁暴發,確實和人類對環境的改變有著一定的關系。」結合你在地理課中所學到的人口與環境的關系的知識,談談你對這句話的理解?(8分)

第一學期學業期末考試

七年級地理試題參考答案及評分說明

一、選擇題(每小題2分,共40分)

題號12345678910答案CCCADADBDA題號11121314151617181920答案BBCCCDBBDB

二、綜合題(共5小題60分)

21題(10分) (1)略 (2分) (2)冬 (3)A點:60°E 40°N B點:100°E 20°N (4)東南 熱帶 (5)A (每空1分) (6)地球的運動(自轉)、赤道長4萬千米 (只要說出一點即得2分,共2分)。

22題(10分) (1)南 400米 (每空1分)10.8℃(2分) (2)3.15千米 西北 東北 5 (每空1分) (3)①地形平坦 ②交通便利 (每小點1分,共2分)

23題(9分) (1)略 (2分) (2)27 ﹣5或零下5 32 (3)7、8月 夏 (每空1分) (4)夏季高溫多雨、冬季低溫少雨(每小點1分,共2分)

24題(12分) (1)氣象條件 (2)太平洋 印度洋 大西洋 南 相對較高 (每空1分) (3)我國的秋冬季節在南半球是春夏季節,海況較好,便於航行和執行測量任務。(2分) (4)略(采意給分,每個事例2分,共4分)

25題(19分) (1)3 亞洲、歐洲、北冰洋、北美洲、太平洋、大洋洲、印度洋 (無次序,每空1分) (2)南極洲 (1分) (3)一是通過禽肉、禽蛋等禽產品的流通進行傳播,另一種就是通過飛禽傳播。(每小點1分,共2分) (4)①由於人口的增加,為了獲取資源,大規模砍伐森林、開墾草地、開采礦產等;這樣就導致水土流失、土地荒漠化……致使當地的氣候惡化。②人類在生產、生活過程中排放出廢氣、廢煙、廢水等,使全球氣溫升高、旱澇等災害頻繁發生。③人類的活動破壞了生態環境,加上環境的改變,迫使動物不得不轉移,最終危及全人類;因此,人口的增長應與資源、環境相協調,與社會經濟發展相適應。④作為中學生的我們更應該從我做起、從小事做起,保護環境;並宣傳保護我們賴以生存的地球。(采意給分,每小點2分,共8分)

2. 七年級地理上冊讀與寫答案

既然老師或者家長把你的東西寫了,答案藏起來了,那麼你最好認真做,老師會講解的

3. 地理復習提綱,七年級下冊仁愛版

我只寫老師經常講的易考點。
認識大洲:
位置(亞洲):亞洲大部分位於(北半球)和(東半球),歐洲(全部)位於北半球。
亞洲東臨(太平洋),北臨(北冰洋),南臨(印度洋),西與(歐洲)相連,西南以(蘇伊士運河)與(非洲)為鄰,東北隔(白令海峽)與北美洲相望,東南望大洋洲。
地形特徵:
1:地形以(高山高原)為主(非常重要,我這次期中考考過。)
2:地面起伏大,高低懸殊(地球之巔:珠穆朗瑪峰,死海的湖面是世界陸地表面最低處)
3:地勢中部高,四周低
氣候特徵:
1氣候復雜多樣(地跨寒溫熱三帶,重點:溫帶海洋性氣候沒有)寒極:奧伊米亞康
2:氣候大陸性顯著(溫帶大陸性分布最廣)
3:季風氣候顯著(亞洲東部和南部的季風最強盛,最典型)
歐洲氣候:(溫帶氣候為主,海洋性特徵顯著,主要有溫帶海洋性氣候和地中海氣候)
河流:(全球性四大長河:第一尼羅河(非)第二:亞馬孫河(南美)第三長江(亞洲),第四密西西比河(北美)。
歐洲最長的河流:湄公河(瀾滄江)流經國家:中緬老泰柬越(重要),歐洲流經國家最多的河是多瑙河。
亞洲水系分布特點:1:多發布於中部的高原山地,呈輻射狀注入海洋2:內流區廣大,錫爾河和阿姆河都是內流河
最深的淡水湖貝爾家湖,世界上面積最大的鹹水湖裡海,一半鹹水一半淡水的湖巴爾克什湖
歐洲是世界上人口自然增長率最低的大洲,人口負增長,人口老齡化,(非洲與其相反)、
非洲海陸位置:東臨印度洋,西臨大西洋,北隔地中海和直布羅陀海峽與歐洲嚮往,東北隔紅海與亞洲為鄰,並以蘇伊士運河為路上分界線。
非洲東南高,西北低。重點:以南北對襯分布。
((((((重點重點中的重點)))))),死也要記住:非洲屋脊:衣索比亞高原,非洲最高峰:乞力馬雜落山,最大海灣:幾內亞灣,最大島嶼:馬達加斯加島,最大半島:索馬里半島,非洲世界之最:最大沙漠撒花拉沙漠,最大盆地剛過盆地,最大斷裂帶東非大裂谷又叫地球的傷痕
中南半島:地形:山河相見,縱裂分布,北高南低。氣候特徵:終年高溫,分旱雨兩季,河流自北向南流
馬來群島:地勢崎嶇,山嶺很多,多火山地震。氣候:熱帶雨林氣候,終年高溫多雨。河流短小,湍急
重點:東南亞處在亞洲與大洋洲,印度洋與太平洋的十字路口。馬六甲海峽是溝通硬度樣和太平洋的天然水道,也是連接歐洲,印度洋沿岸港口與太平洋港口的咽喉
物產:熱帶經濟作物(國家產量第一):泰國天然橡膠,蹤由,椰子菲律賓。石油硬度尼西亞,錫馬來西亞,水稻泰國
五海三州兩樣之地,五海:裏海黑海地中海紅海阿拉伯海,三州:亞歐非,兩樣大西洋印度洋
霍爾木茲海峽西方生命線,又是世界油閥
西亞是基督教,猶太教,伊斯蘭教的發源地,三教斗把耶路撒冷看作聖城,麥加大清真寺是世界最大清真寺
西歐有德國法國,義大利,英國等工業大國
鍾錶王國瑞士,歐洲的牧場和食品庫丹麥,海洋漁業挪威,花卉種植業荷蘭
歐洲西部旅遊業法國西班牙義大利
挪威峽灣風光,午夜太陽。義大利孤獨羅馬,水城威尼斯,龐貝古城。西班牙沙灘鬥牛場。瑞士阿爾卑斯山滑雪世界表都。德國慕尼黑啤酒節。法國盧浮宮蒙娜麗莎自由女神。奧地利音樂之都。英國倫敦塔橋,馬克思墓
北極中間有海,南極是大陸。南極氣候特正:酷寒烈風乾燥
南極特有動物企鵝,北極北極熊
居民:北極因紐特人(黃種人)和拉普人,南極洲沒有
南極暖季:每年11月到3月,可考察好時期。我國基地科考站:南極長城站,中山站,昆侖站(時間順序),北極;黃河站
親一定要感謝我呀,我的老腰都折了

4. 仁愛英語教材講解七年級上冊參考答案

教參書上有的

5. 七年級地理復習資料答案 急!!!

一)填空題
1.地球是一個________球體。赤道周長是_______千米。
2.__________是經線。__________是緯線。__________是本初子午線。
3.人們習慣上以________和________圍成的經線圈為界,把地球劃分為東西半球。亞洲位於東西半球的________半球。南北半球是以________為界來劃分的。中國屬於南北半球的________半球。
4.晝夜更替是__________的結果。
5.地球自轉的方向是_______。地球自轉一周需要約_______小時,也就是______天。
6.地球環繞太陽在______形軌道上公轉,方向是_____,周期是_____。
7.地球公轉的重要特點就是斜著身子繞著________轉,地軸與公轉軌道面的夾角為________度,且地軸傾斜的方向不變,北極總是指向________附近。
8.只有在________地區,才能見到太陽直射頭頂的現象。這個地區獲得太陽熱量全球________,形成地球上的________帶。
9.一年中,太陽直射兩次的地方是________。太陽只能直射一次的地方是________。
10.在北半球,______月______日是白天最長的一天,______月______日是黑夜最長的一天。
11.熱帶和溫帶的界線是________。溫帶和寒帶的界線是________。
12.當南極圈上整天都有太陽照射時,北京晝______夜______,澳大利亞是______季。

(二)選擇題(有一個或一個以上的答案是正確的)
1.地球上五帶形成的主要原因是 ( )
①地球自轉 ②地球公轉軌道呈橢圓形
③各地太陽照射的角度不同 ④地球表面有晝夜更替現象
2.形成四季的根本原因是 ( )
①地球自轉 ②地球公轉時,地軸總是傾斜的,且傾斜方向不變
③太陽直射 ④地球是個球體
3.東經172°,北緯25°屬於 ( )
①東半球、北半球 ②東半球、南半球
③西半球、南半球 ④西半球、北半球
4.從3月21日前後到6月22日前後 ( )
①太陽直射點從北回歸線向赤道移動
②北半球晝長夜短,且白晝越來越長
③南半球是夏季
④北半球出現極夜
5.下列地理現象,由於地球公轉引起的是 ( )
①月亮東升西落 ②四季的形成
③晝夜長短變化 ④晝夜更替
6.北半球晝短夜長的時間是 ( )
①6月22日至12月22日之間
②12月22日至次年6月22日之間
③9月23日後至次年3月21日前
④3月21日後至9月23日前
7.6月22日,下列城市中晝最長的是 ( )
①哈爾濱 ②廣州 ③武漢 ④北京

(三)讀圖題

1.讀中國政區圖,確認下列城市的經緯度(約數):
北京:經度________、緯度________
拉薩:經度________、緯度________
海口:經度________、緯度________
杭州:經度________、緯度________
2.讀圖回答:

(1)在圖中,用箭頭表示地球公轉的方向.
(2)在圖中填注地球位於①、②、③、④各點的日期,節氣(指北半球而言).
(3)當地球位於①點時,北極圈晝長______小時.
(4)當地球位於③點時,上海的白天比青島______.
3.讀12月22日太陽照射地球示意圖,回答:

(1)這一天太陽直射點的位置是________.
(2)此日,圖中甲點夜長______小時,乙點正值______季,丙點是______季.
(3)此日,南半球晝______夜______.
(4)此日,北半球,緯度越高,白晝越______.
4.讀右圖,回答:

(1)在圖中寫出a、b、c、d、e各條緯線的名稱.
(2)在圖中相應位置填寫五帶的名稱.
(3)有太陽直射的地區是________.
(4)有極晝、極夜現象的地區是________.
(5)寫出下列城市,在五帶中所屬地帶的名稱:
哈爾濱(45°N)屬________帶.
海口(20°N)屬________帶.
雅加達(6°S)屬________帶.
摩爾曼斯克(69°N)屬________帶.
5.讀右圖,回答:

(1) A圖位於東西半球的__________半球,南北半球的_________半球,B圖
位於東西半球的__________半球,南北半球的_________半球.
(2)甲點的經度是________緯度是________.
乙點的經度是________緯度是________.
(3)甲、乙兩點中,能出現太陽直射現象的是________點.
(4)6月22日這一天,甲點晝_____夜_____,乙點晝_____夜_____.
(5)在地球的五帶中,甲點位於_______帶,乙點位於_______帶.
6.如果地球公轉時,地軸不傾斜,而是垂直於公轉軌道平面,那麼太陽直射點的位置是________.
地球表面各地太陽照射角度的狀況是________.
晝夜長短的狀況是________.
各地的熱量狀況是________.
四季的形成狀況是________.

《地 球》單元練習答案

(一)填空題
1.兩極稍扁的不規則, 4萬
2.在地球儀上,連接南北兩極的弧線 赤道和與赤道平行的圓圈
國際上規定以通過英國倫敦格林尼治天文台舊址的經線叫0°經線,即
3.西經20° 東經160° 東 赤道 北
4.地球自轉
5.自西向東 24 一
6.橢圓 從西向東 一年
7.太陽 66.5 北極星
8.南北回歸線及其之間的地區 最多 熱
9.南北回歸線之間 南北回歸線上
10.6月22日 12月22日
11.回歸線 極圈
12.短 長 夏
(二)選擇題(有一個或一個以上的答案是正確的)
1.③ 2.② 3.④ 4.② 5.②③ 6.③ 7.①
(三)讀圖題
1.東經116° 北緯40° 東經91° 北緯30°
東經110° 北緯20° 東經120° 北緯30°
2.(1)箭頭從①指向②、②指向③、③指向④、④指向①都對
(2)①6月22日夏至日 ②9月23日秋分日
③12月22日冬至日 ④3月21日春分日

(3)24
(4)長
3.(1)南回歸線 (2)12 夏 冬 (3)長 短 (4)短

(3)南北回歸線之間
(4)北極圈以內和南極圈以內
(5)北溫 熱 熱 北寒
5.(1)東、南、西、北
(2)東經85° 南緯20° 東經170° 北緯44°
(3)甲
(4)短 長 長 短
(5)熱 北溫
6.永遠是赤道
從赤道向兩極正午太陽高度角由90°逐漸減小到0°,且每個地點一年中的太陽照射角度不變全球晝夜平分
從赤道向兩極熱量逐漸減少,每個地點一年中的熱量不變
全球沒有四季之分

6. 七年級地理助學讀本參考答案

認識地球
基礎過關抄
D A B B A A B B
課後鞏固
C B D C A C
7.(1)北極 南極 極半徑 赤道半徑 赤道(2)5.1億 6371 四萬 8.略
2課時
B B C B A A A B C
課後鞏固
C D B C C C B A A
10.(1)40度N 20度W (2)正西 正南 東北 (3)東 北(4)甲和丙 甲和乙
11.(2)東南 (3)東 北 西 南
第二節
基礎過關
B D B A C A B A
課後鞏固
C C D B D D D C
9.(1)亞洲 北美洲 非洲 南美洲 (2)太平洋 大西洋 印度洋 北冰洋 (3)南美洲 亞洲 4 北美 南美 大洋 非
10.(1)4亞洲 6大洋洲 7南美洲 5歐洲(2)a太平洋 d北冰洋 c印度洋 d太平洋
(3)烏拉爾 (4)E:巴拿馬運河 南美洲 太平洋 F: 蘇伊士運河 非洲 地中海
我侄到的只有這些啦。希望對你有說幫助!!

7. 仁愛 七年級上冊 100~104頁答案

1、把200千米的水引到城市中來,這個任務交給了甲,乙兩個施工隊,工期50天,甲,乙兩隊合作了30天後,乙隊因另有任務需離開10天,於是甲隊加快速度,每天多修0.6千米,10天後乙隊回來,為了保證工期,甲隊速度不變,乙隊每天比原來多修0.4千米,結果如期完成。問:甲乙兩隊原計劃各修多少千米?
解:設甲乙原來的速度每天各修a千米,b千米
根據題意
(a+b)×50=200(1)
10×(a+0.6)+40a+30b+10×(b+0.4)=200(2)
化簡
a+b=4(3)
a+0.6+4a+3b+b+0.4=20
5a+4b=19(4)
(4)-(3)×4
a=19-4×4=3千米
b=4-3=1千米
甲每天修3千米,乙每天修1千米
甲原計劃修3×50=150千米
乙原計劃修1×50=50千米
2、小華買了4支自動鉛筆和2支鋼筆,共付14元;小蘭買了同樣的1支自動鉛筆和2支鋼筆,共付11元。求自動筆的單價,和鋼筆的單價。
解:設自動鉛筆X元一支 鋼筆Y元一支
4X+2Y=14
X+2Y=11
解得X=1
Y=5
則自動鉛筆單價1元
鋼筆單價5元
3、據統計2009年某地區建築商出售商品房後的利潤率為25%。
(1)2009年該地區一套總售價為60萬元的商品房,成本是多少?
(2)2010年第一季度,該地區商品房每平方米價格上漲了2a元,每平方米成本僅上漲了a元,這樣60萬元所能購買的商品房的面積比2009年減少了20平方米,建築商的利潤率達到三分之一,求2010年該地區建築商出售的商品房每平方米的利潤。
解:(1)成本=60/(1+25%)=48萬元
(2)設2010年60萬元購買b平方米
2010年的商品房成本=60/(1+1/3)=45萬
60/b-2a=60/(b+20)(1)
45/b-a=48/(b+20)(2)
(2)×2-(1)
30/b=36/(b+20)
5b+100=6b
b=100平方米
2010年每平方米的房價=600000/100=6000元
利潤=6000-6000/(1+1/3)=1500元
4、某商店電器櫃第一季度按原定價(成本+利潤)出售A種電器若干件,平均每件獲得百分之25的利潤。第二季度因利潤略有調高,賣出A種電器的件數只有第一季度賣出A種電器的6分之5,但獲得的總利潤卻與第一季度相同。
(1)求這個櫃台第二季度賣出A種電器平均每件獲利潤百分之幾?
(2)該櫃台第三季度按第一季度定價的百分之90出售A種電器,結果賣出的件數比第一季度增加了1.5倍,求第三季度出售的A種電器的利潤比第一季度出售的A種電器的總利潤增加百分之幾?
解:(1)設成本為a,賣出件數為b,第二季度利潤率為c
那麼利潤=a×25%=1/4a
第二季度賣出電器5/6b件
第一季度的總利潤=1/4ab
第二季度利潤=ac×5/6b=5/6abc
根據題意
1/4ab=5/6abc
c=1/4×6/5
c=3/10=30%
(2)第一季度定價=a(1+25%)=5/4a
第三季度定價=5/4a×90%=9/8a
第三季度賣出(1.5+1)b=2.5b件
第三季度的總利潤=9/8a×2.5b-2.5ab=5/16ab
第三季度比第一季度總利潤增加(5/16ab-1/4ab)/(1/4ab)=(1/16)/(1/4)=0.25=25%
5、將若干只雞放入若干個籠中。若每個籠中放4隻,則有一隻雞無籠可放;若每個籠中放5隻,則恰有一籠無雞可放,那麼,雞、籠各多少?
設雞有x只,籠有y個
4y+1=x
5(y-1)=x
得到x=25,y=6
6、用白鐵皮做罐頭盒,每張鐵皮可製成盒身25個,或制盒底40個,一個盒身和兩個盒底配成一套罐頭盒,現有36張白鐵皮,用多少張制盒身,多少張制盒底可以使盒身與盒底正好配套?
分析:因為現在總有36張鐵皮製盒身和盒底.所以x+y=36.公式;用制盒身的張數+用制盒底的張數=總共製成罐頭盒的白鐵皮的張數36.得出方程(1).又因為現在一個盒身與2個盒底配成一套罐頭盒.所以;盒身的個數*2=盒底的個數.這樣就能使它們個數相等.得出方程(2)2*16x=40y
x+y=36 (1)
2*16x=40y (2)
由(1)得36-y=x (3)
將(3)代入(2)得;
32(36-y)=40y
y=16
又y=16代入(1)得:x=20
所以;x=20
y=16
答:用20張制盒身,用16制盒底.
25、從A城到B城,水路比陸路近40千米,上午11時,一隻輪船以每小時24千米的速度從A城向B城行駛,下午2時,一輛汽車以每小時40千米的速度從A城向B城行駛,輪船和汽車同時到達B城,求A城到B城的水路和陸路各多長?
解:設水路a千米,陸路b千米
a+40=b(1)
a/24-3=b/40(2)
(1)代入(2)
a/24-3=(a+40)/40
1/60a=4
a=240千米
b=240+40=280千米
水路240千米,陸路280千米
注意:上午11時到下午2時相差3個小時
26、某汽車在相距70千米的甲乙兩地往返行駛,由於路程中有一個坡度均勻的小山,所以去時用時2.5小時,返回使用時2.3小時,已知汽車在平地上每小時行駛30千米,下坡時每小時行駛40千米,上坡時每小時行駛20千米,求的上坡路,下坡路及平地的路程?
解:設去時上坡a千米,下坡b千米,則平路是70-a-b千米
a/20+b/40+(70-a-b)/30=2.5(1)
a/40+b/20+(70-a-b)/30=2.3(2)
(1)-(2)
a/40-b/40=0.2
a-b=8
a=b+8代入(1)
解得
b=4千米
a=12千米
所以去的時候平路70-4-12=54千米,上坡12千米。下坡4千米
1.兩車站相距275km,慢車以50km/一小時的速度從甲站開往乙站,1h時後,快車以每小時75km的速度從乙站開往甲站,那麼慢車開出幾小時後與快車相遇?
設慢車開出a小時後與快車相遇
50a+75(a-1)=275
50a+75a-75=275
125a=350
a=2.8小時

2.一輛汽車以每小時40km的速度由甲地開往乙地,車行3h後,因遇雨,平均速度被迫每小時減少10km,結果到乙地比預計的時間晚了45min,求甲 乙兩地距離。
設原定時間為a小時
45分鍾=3/4小時
根據題意
40a=40×3+(40-10)×(a-3+3/4)
40a=120+30a-67.5
10a=52.5
a=5.25=5又1/4小時=21/4小時
所以甲乙距離40×21/4=210千米
3、某車間的鉗工班,分兩隊參見植樹勞動,甲隊人數是乙隊人數的 2倍,從甲隊調16人到乙隊,則甲隊剩下的人數比乙隊的人數的 一半少3人,求甲乙兩隊原來的人數?
解:設乙隊原來有a人,甲隊有2a人
那麼根據題意
2a-16=1/2×(a+16)-3
4a-32=a+16-6
3a=42
a=14
那麼乙隊原來有14人,甲隊原來有14×2=28人
現在乙隊有14+16=30人,甲隊有28-16=12人
4、已知某商店3月份的利潤為10萬元,5月份的利潤為13.2萬元,5月份月增長率比4月份增加了10個百分點.求3月份 的月增長率。
解:設四月份的利潤為x
則x*(1+10%)=13.2
所以x=12

設3月份的增長率為y
則10*(1+y)=x
y=0.2=20%

所以3月份的增長率為20%
參考

8. 仁愛同步練習冊七年級答案要新版

Unit 5 Our School Life
Topic 1 How do you usually come to school?
Section A
I. 1. by ship 2. by plane 3. on foot 4.by train 5. by bus 6. by bike 7. by subway 8. by boat
II. 1. to 2. by, by, on 3. for, on 4. at
III. 1. C 2.B 3. C 4.A 5.A
IV. 1. does 2. look 3.going 4. to watch 5. Does, play
V. 1. Let』 go to Sanya by car. 2. How does your teacher usually go to work? 3. We can come to Hainan by train now. 4. Does Michael always come to school on foot?
Section B
I. 1.weekdays 2.walks 3.ride 4.plane 5.early 6.never 7.sometimes 8.seldom
II.1. rides a bike 2.takes a bus 3. on foot 4.take a ship 5.flies to
III. 1. C 2. A 3.A 4.C 5.B
IV. 1. B 2.D 3.E 4.A 5.C
V. 1. take a bus 2. watches TV 3. on weekdays 4.by bike/ on a bike, ride a bike
Section C
I. 1.American/ Americans 2. swimming 3. has 4. Twice 5.listens
II. 1.C 2. A 3.B 4.B 5.C
III. 1. does her 2. don』t walk 3. Does, play 4. How often do 5. What does, do
IV. 1.life 2.few 3.walk 4.seldom 5.lunch 6.rest 7.over 8.free 9.times 10.don』t
V. 1. B 2.A 3.B 4.B 5.C 6.A 7.C 8.B 9.A 10.A
Section D
I. 1.gets 2.begin 3.Does, catch 4.do, eat 5.reading
II. 1. B 2.C 3.C 4. A 5.C
III. 1. for a little while 2.What time, get home 3. quarter to three 4. three times a week 5. How often
IV. 1.B 2. A 3. B 4.B 5.C
V. Mike』s Day
Mike is a student. On weekdays, he gets up at 6:00 a.m. and then he reads English at 6:15 a.m. He has breakfast at 6: 40 a.m. He usually has milk, bread and an egg for breakfast. At 7:15 a.m., he goes to school by bike. He has seven classes a day. He likes English very much. At 5:00 p.m., school is over and he plays soccer with his classmates at school. He gets home at 6:00 p.m. He has supper with his parents at 6:30 p.m. After supper, he does his homework and he goes to bed at 10: 30 p.m. He has a happy day every day.
Topic 2 He is running on the playground.
Section A
I. 1. playground 2. teachers』 3. dining 4. building 5. library
II. 1. cleaning 2. making 3. running 4. dancing 5. putting 6. talking 7. beginning 8. sleeping 9. writing
III. 1.B 2. A 3. C 4.C 5.B
IV. 1.boring 2. is singing 3. building 4. am making 5. are swimming
V. 1. Zhou Bin is riding a bike at the moment. 2. Look! The boys are playing soccer. 3. The girl plays the piano after school. 4. Helen likes listening to music very much.
Section B
I. 1.shelves 2. putting 3. using 4.return 5. pleasure
II. 1. C 2.B 3.A 4.C 5.B
III. 1. is cleaning 2. on time 3. What』re, looking for 4. a few 5. is putting on
IV. 1. D 2. B 3.A 4.E 5.C
V. Li Ming: Excuse me, do you have a camera, Jane?
Jane: Yes. I do.
Li Ming: Great! May I borrow it, please? I want to go to the zoo.
Jane: Of course.
Li Ming: How long can I keep it?
Jane: For three days.
Li Ming: OK. I』ll return it on time.
Jane: Good. I』ll take it to you this afternoon.
Li Ming: Thanks very much.
Jane: It』s a pleasure.
Section C
I. 1. around 2. to, on 3. of 4. at 5. from I
I.1. C 2. C 3. B 4. A 5. B
III. 1. is doing 2. isn』t drawing 3. Is , sleeping 4. What are, doing 5. Who are, writing
IV. 1. B 2. C 3. C 4. A 5.C
V. 1. A few students are in the classroom now. 2. Kangkang is reading Ren』ai English Post. 3. Jane and Maria are talking. 4. Wang Wei is doing his homework. 5. Sally is cleaning the blackboard at the back of the classroom.
Section D
I. 1.B 2. B 3.C 4.C 5.B
II. 1.shelves 2.Does, write C. wonderful 4.is sitting 5. Japanese
III. 1. are looking for 2. show me around 3. at the back of 4. a friend of mine/ one of my friends 5. isn』t writing to
IV. 1. C 2. B 3.C 4. A 5.B 6.C 7.A 8.A 9.B 10.C
V. It』s a fine day today. My friends and I are in the park now. We can see many people in the park. Look! Some boys are swimming and some girls are dancing. Their mothers are sitting on the chair and drinking. My friend Ann is reading near the swimming pool. I am playing a dog with Lily. We are all very happy.
Topic 3 My school life is very interesting.
Section A
I. 1. Wednesday 2. Saturday 3. Monday, Friday 4. Sunday 5. What day
II. 1. C 2. A 3.B 4. C 5. A
III. 1. is having a math class 2. How many lessons/classes 3. doing outdoor activities 4. is over 5. works on
IV. 1. What 2. day 3. having 4. class 5. Do 6. do 7. What 8. time 9. is 10. over
V. 1. It』s Monday today. 2. The students are having a geography class now. 3. The teacher is talking about a map of China. 4. The students are listening to the teacher. 5. They like geography very much.
Section B
I. 1.subjects 2.difficult 3. interesting 4.boring 5.Which
II. 1.best 2. meeting 3. interesting 4.is learning 5.boring
III. 1. C 2.B 3. A 4. A 5. C
IV. 1. D 2.B 3. A 4.E 5. C
V. 1. What day is it today? 2. What class are they having? 3. What do you think of math?/ How do you like math? 4. Which subject do you like best? / What』s your favorite subject? 5. What』s your favorite subject? / Which subject do you like best?
Section C
I. 1.A 2. C 3. B 4. B 5.C
II. 1. likes, best 2. What day 3. Why don』t 4. Which bag 5. How often
III. 1. between, and 2. from, to 3. be friendly(kind) to 4. like best 5. something about
IV. 1. interesting 2. about 3. learn 4. favorite 5. easy 6. because 7. activities 8. best 9. well 10. yours
V. 1. A 2. C 3. C 4. B 5. C
Section D
I. 1.C 2.A 3.C 4.C 5.B
II.1. is having 2.walks 3.draw 4.are doing 5. helps 6. studies 7. Is,swimming 8. Do,go 9. are,looking 10. does,come
III. 1.C 2. B 3. A 4. C 5. A 6. B 7. C 8. B 9. A 10. C
IV. Dear Dave,
I am very happy to know your school life is very interesting. Now let me tell you something about mine. On weekdays, classes begin at 7:30. I have four classes in the morning and three in the afternoon. Of all the subjects, I like music best. I can sing and dance very well. But I don』t like math. I think it』s very difficult. At school, my teachers and classmates are all very friendly to me. We often play games after school on the playground. Ping-pong is my favorite outdoor activities. Sometimes I draw pictures and sometimes I swim with my friends. I like my school life very much. I think it』s wonderful. Write to me soon. Best wishes!
Yours,
Liu Ying
Unit 6 Our Local Area
Topic 1 Is there a computer in your study?
Section A
I. 1. garden 2. study 3. kitchen 4. living 5.bathroom
II. 1. at 2. to 3. behind 4. in 5. on
III.1. C 2. A 3. B 4. A 5. C
IV. 1. on the first floor 2. There is, in the front of 3. next to 4. is playing with 5. Are there any
V. 1. There is a car in front of the house. 2. There are some books on the shelf. 3. Is there a computer on the desk? 4. Are there any pandas in the zoo?
Section B
I. 1. B 2. B 3. B 4. C 5. C
II. 1. living 2. are 3. keys 4. second 5. are talking
III. 1. There are 2. isn』t any 3. there aren』t 4. What is 5. How many birds
IV. 1. E 2. A 3. D 4. C 5. B
V. 1. under, There』re 2. on/in the river, there is 3. What is 4. How many apples 5. How much, is there
Section C
I. 1. center 2. right 3. beautiful/big 4. people 5. floor
II. 1. on 2. under 3. in 4. on 5.in 6. At 7. on 8. behind 9. near 10. to
III. 1. A 2.A 3. C 4. B 5. C
IV. 1. C 2.A 3.C 4.A 5. B 6. A 7. C 8. B 9. B 10. A
Section D
I. 1. There is, has 2. is there 3. Are there, have 4. there is 5. are there, have
II. 1. has 2. There』s 3. playing 4. shelf 5. different 6. In 7. reads 8. learns 9. look 10. at
III. 1. No, he doesn』t. 2. There』s a desk near the window. 3. Yes, there are. 4. There are two. 5. It』s behind the door.
IV. Dear Dave,
I am very glad to get a letter from you. You want to know something about my school. Now let me tell you. My school is big and beautiful. Our classroom building is in the center of the school. There are eight floors in it. On the second floor there is a big reading room, two computer rooms and three science labs. The students love playing computers. The reading room is open from Monday to Friday. We often read books in it. We can learn a lot from those books. At the back of the classroom buildings, there is a small garden. There are lots of trees and flowers. Sometimes I listen to music and sometimes I talk with my classmates in it. We all like our school very much.
Topic 2 What kind of home do you live in?
Section A
I. 1. country 2. months 3. quiet 4. furniture 5. rent
II. 1. B 2. C 3. C 4. A 5. C
III. 1. a family of three 2. with thirty floors 3. lives in 4. rent,to 5. a double room
IV. 1. C 2. B 3. E 4. A 5. D
Section B
I. 1. loudly 2. neighbor 3. museum 4. mail 5. bank
II. 1. renting 2. pianos 3. parking 4. quietly 5. talking
III. 1. C 2. C 3. C 4. A 5. B
IV. 1. on the street corner 2. at the end of 3. playing the guitar 4. the matter with/ wrong with, am looking for V. 1. speak 2. to 3. that 4. watching 5. loud 6. really
Section C
I. 1. C 2. A 3. C 4. A 5. B
II. 1. isn』s anything 2. far from 3. the matter with 4. What kind of 5. Don』t park
III. 1. D 2. B 3. E 4. C 5. A
IV. 1. B 2. A 3. B 4. C 5. C 6. B 7. C 8. A 9. B 10. C
Section D
I.1. C 2. B 3. C 4. A 5. A
II. 1. noisy 2. playing 3. to check 4. children 5. is
III. 1. B 2. A 3. B 4. C 5. A
IV. Dear Jane,
How are you? Thank you for your letter. You ask me if (是否) I like living in the city or in the country. Now I tell you. I like living in the countryside. The countryside is always quiet and there is fresh air. I can live in a big house with a big yard. In my free time, I can play with my dog in the yard. There are many beautiful flowers in the yard, too. I can also go fishing and swimming in the river near my home. I think the life in the countryside is very interesting. Do you think so?
Please write to me soon.
Yours,
Maria
Topic 3 Which is the way to the post office?
Section A
I. 1. to 2. along/ down, at 3. to, on 4.from 5.between
II. 1. C 2. B 3. B 4. A 5. A
III. 1. Is there , near 2. Which, way 3. go/walk across 4. take, on
IV. 1. across from 2. turn left 3. the way to 4. get to 5. Go across/ Cross, on your right
V. 1. A 2. D 3. C 4. E 5. B
Section B
I. 1. until 2. public 3. miss 4. change 5. kilometers
II. 1. B 2. C 3. B 4. A 5. C
III. 1. go straight , Don』t turn 2. need to change to 3. Walk on, traffic lights 4. How far, (away) from
IV. 1. E 2. B 3. D 4. A 5. C
V. 1. B 2. B 3. C 4. C 5. A
Section C
I. 1. A 2. C 3.B 4. C 5. A
II. 1. third 2. to help 3. careful 4. to take 5. across
III. 1. C 2. B 3. A 4. C 5. A 6. C 7. A 8. C 9. B 10. C
IV. 1. Be careful when you cross the street. 2. Look both ways before you cross the street. 3. Don』t play football in the street. 4. Don』t drive after drinking.
Section D
I. 1. B 2. B 3. A 4. C 5. A
II. 1. Keep quiet 2. Don』t be late for 3. lose their lives 4. a ticket for speeding 5. to wait for your turn
III. 1. T 2. F 3. F 4. T 5. F
IV. 1. Go to school on time. 2. Listen to the teacher carefully in class. 3. Do your homework after class. 4. Clean the classroom twice a day. 5. Help each other and learn from each other. 6. Don』t talk in class. 7. Don』t play computer games or watch TV too much. 8. Don』t be late for school. 9. Don』t eat in class. 10. Don』t draw on the wall.
Unit 7 The Birthday Party
Topic 1 When is your birthday?
Section A
I. 1. born 2. sport 3. March 4. February 5. alone
II.1. A 2. B 3. C 4. C 5. B
III. 1. were 2. Was,born 3. they weren』t 4. When was 5. Where were you
IV.1. D 2. C 3. E 4. B 5. A
Section B
I. 1. date 2. celebrating 3. ninth 4. birthday 5. twelfth
II. 1. were 2. am coming 3. fifth 4. to have 5. to celebrate
III.1. wasn』t 2. Were your 3. What was, date 4. When is 5. When,where
IV. 1. C 2. C 3. B 4. A 5. B
V. 1. were born on 2. know about 3. plan to have a party 4. is coming, to do
Section C
I. 1. is 2. was,Were 3. were, are 4. is, was 5. was
II. 1. C 2. A 3. B 4. C 5. C
III. 1. the shape of 2. was like 3. How wide 4. use, for/ to do 5. must be
IV. 1. B 2. A 3. E 4. C 5. D
V. 1. C 2. A 3. B 4. A 5. B
Section D
I. 1. surprise 2. candles 3. shape 4. eighth 5. special
II. 1. A 2. C 3. C 4. A 5. B
III. 1. A 2. C 3. A 4. B 5. C 6. B 7. C 8. A 9. B 10. A
IV. I have a good friend. Her name is Kate. She is 13. She was born on June 3rd, 1998. Tomorrow is her birthday. I am planning to celebrate it with her. I would like to see a movie with her. Then we can go to KFC for dinner. Kate likes singing very much, so I want to buy her two CDs. I』m sure she』ll like them very much.
Topic 2 Can you dance or draw?
Section A
I. 1. C 2. A 3. B 4. A 5. C
II. 1. can』t perform 2. Can, sing 3. Can, or 4. can do 5. We can hate a good time at the party.
III. 1. B 2. E 3. D 4. A 5. C
IV. 1. Can, perform 2. What do, can play 3. Can or , draw 4. is doing some washing/ cleaning
Section B
I. 1. C 2. B 3. A 4. C 5. B
II. 1. can dance, can』t 2. a little 3. can do, perform ballet 4. ride a bike, drive a car
III. 1. Can 2. Were 3. was 4. When 5. in 6. would 7. dance 8. can』t 9. perform 10. time
IV. 1. The man can cook very well. 2. Liu Ying can』t swim at all. 3. We are planning to have a birthday party for Kangkang. 4. They are having a good time now.
Section C
I. 1. C 2. A 3. A 4. C 5. C
II.1. count 2. climbing 3. were 4. performing 5. couldn』t
III. 1. could make 2. couldn』t, was 3. Could, swim 4. does well in dancing 5. at the age of
IV. 1. A 2. C 3. A 4. A 5. B 6. B 7. A 8. C 9. C 10.B
Section D
I. 1. can, couldn』t 2. could, could 3. Can 4. couldn』t, can 5. Could, couldn』t, can
II. 1. count 2. jumping 3. couldn』t 4. celebrate 5. alone
III. 1. C 2. C 3. A 4. A 5. B
IV. 1. F 2. T 3. F 4. T 5. F
V. Hello, my name is Tim. That』s my good friend, Michael. He is very smart. When he was five, he could ride a bike and write. But I couldn』t. I could swim and draw at the age of five. Now we are in the same class. We often play ball games together. Michael is good at playing basketball while I do well in soccer. We hope we can be in the Olympic Games one day.
Topic 3 We had a wonderful party.
Section A
I. 1.recited 2. performed 3. studied 4. danced 5. stopped 6. celebrated 7. planned 8. carried 9. sang 10. did 11. was/were 12. went
II. 1. A 2. A 3. B 4. C 5. C
III. 1. himself 2. live 3. did 4. had 5. enjoyed
IV. 1. recited 2. didn』t sing 3. Did, perform 4. they didn』t 5. did, do
V. 1. C 2. A 3. B 4. D 5. E
Section B
I. 1. enjoys 2. fell 3. washed 4. happened 5. truth
II. 1. A 2. C 3. B 4. C 5. A
III. 1. had a good time/ enjoyed themselves 2. performed magic tricks 3. came back home 4. tell a lie 5. happened to, fell down from/fell off
IV. 1. Lin Tao』s family went to the park yesterday. 2. His father recited a poem. 3. Lin Tao』s mother played the guitar. 4. Lin Tao sang a song. 5. They were all very happy.
Section C
I. 1. by 2. to, to 3. with, on 4. out, in 5. of, around
II. 1. by hand 2. blew out 3. is making a silent wish 4. in one breath
III. 1. missed 2. photos 3. danced 4. recited 5. singing 6. played 7. lost 8. fell 9. enjoyed 10. present
IV. 1. C 2. A 3. B 4. E 5. D
Section D
I. 1. C 2. B 3. C 4. A 5. B
II. 1. forgot 2. funny 3. yourselves 4. truth 5. did, buy
III. 1. C 2. C 3. A 4. B 5. B 6. C 7. A 8. B 9. C 10. C
IV. Li Lei is a student. He got up late this morning. He went to school by bike at once. He rode too fast. On the corner of the street, his bike hit an old woman. The woman fell and her leg was hurt. Li Lei took the woman to the hospital. He looked after her in the hospital. Li Lei』s friends knew about it and they came to the hospital after class. They brought her some flowers. The woman was very happy.
Unit 8 The Seasons and the Weather
Topic 1 What』s the weather like in spring?
Section A
I. 1. seasons 2. weather 3. Spring 4. rained 5. snowmen
II. 1. B 2. A 3. C 4. A 5. A
III. 1. What was,like 2. for climbing 3. Her, season 4. How, weather 5. Why, do
IV. 1. D 2. E 3. B 4. C 5. A
Section B
I. 1. windy 2. rainy 3. cloudy 4. snowy 5. sunny 6. foggy
II. 1. C 2. B 3. A 4. C 5. A
III. 1. cloudy 2. to climb 3. best 4. to make 5. sunny
IV. 1. What』re you doing? 2. It』s rainy today. 3. What』s the weather like in Haikou?/ How』s the weather in Haikou? 4. What』s the temperature? 5. Have a good time.
V. Good morning! Here is a weather report for some cities in Hainan. Haikou is rainy. The temperature is between 22 ℃ and 33 ℃. Don』t forget to take an umbrella when you go out. Qionghai is cloudy. The high temperature is 24 ℃ and the low temperature is 34 ℃. Sanya is sunny. It』s a little hot. The temperature is between 25 ℃ and 36 ℃. It』s a good time to swim. Thank you for listening.
Section C
I. 1. shines 2. holidays 3. travel 4. arrived 5. ourselves
II. 1. A 2. C 3. B 4. B 5. A
III. 1. had better be friendly to 2. finds out 3. arrived at, playing soccer 4. remember to take, go out 5. in most parts of
IV. 1. B 2. A 3. A 4. C 5. B 6. C 7. B 8. C 9. A 10.C
Section D
I. 1. C 2. C 3. C 4. B 5. C
II. 1. fell 2. harvesting 3. to wear 4. rained 5. leaves
III. 1. B 2. C 3. A 4. C 5. A
IV. Dear Jack,
I』m very glad to get your letter. You want to know about the weather in Hainan. Now let me tell you. The weather here is very good all year around. Spring lasts from March to May. It』s very warm. Sometimes it rains , but not heavily. Summer begins in June. It』s a very hot season. The sun shines brightly every day. People like wearing sunglasses and shorts. Fall comes after summer. The weather gets a little cool, but the leaves don』t turn yellow and they seldom fall from the trees. December, January and February are in winter. It isn』t cold at all. It』s my favorite season. You can see green trees and red flowers here and there. It never snows in Hainan, so I can』t make snowmen. If you want to come here, you』d better come in winter. I am sure you』ll have a good time.

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