重慶市九年級英語上冊學案：Unit4 11【精校版】

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1、仁愛版精品英語資料（精校版） 九年級（上）英語 導學案 班級 姓名 課題 學習目標 1.學習熱愛科學、探索未知領域的積極態(tài)度。 2.了解更多關于火星的知識。 3.New words: storm, It has been two days since we landed on Mars. It is six weeks since we had a proper shower. (1) Its diameter is 53% as w

2、ide as that of the earth. (2) It has been two days since we landed on Mars. 學習重點 掌握重點詞匯和句型 學習熱愛科學、探索未知領域的積極態(tài)度 學習難點 教學方法和 教學時數(shù) 采用多媒體教學方法，小組合作探討，師生問答等方式 1 period 學 習 過 程 學習內(nèi)容（學生活動） 學習方法 教師知識講解 一、學前準備 （自學1a，英漢互譯） 1.be named after Mars________________ 2.the Roman god of war___

3、______________ 3.53% as wide as___________________ 4.相隔…_________________ 5.覆蓋火星的整個表面 _________________ 6.搜尋更多信息_________________ 學生課前 完成 We had to limit the use of water during those days. 點撥:limit --- 限制 (動詞) the use of --- …的使用 注意:use在此是名詞 鏈接: use ---_

4、____( ) useful---______( ) useless---_______( ) reuse---________( ) user---______( ) 二． 獨立思考、解決問題 Its diameter is 53, as wide as that of the earth.. 點撥: as 形容詞/副詞原級 as名詞 --- 像…一樣… 思考: 句中that指代__________, 如果前面的名詞是復數(shù),用_________指代 練習: a.我們學校像花園一樣美。Our school is __

5、_____ __________ ______ a park. b.Tom和Mike跑得一樣快。Tom ______ _______ _______ ______ Mike. c.美國的人口沒有中國多。The population in America _____ ____ ______ ______ ______ in China. d.城市的樓比農(nóng)村的高。The buildings in the city _______ _________ than ______ in the country. 學生自主學習課堂展示 三．分組討論 合作探究 1 The gr

6、avity on the surface of Mars is about two-fifths as strong as it is on earth. 點撥：倍數(shù)詞/分數(shù)/百分數(shù) as形容詞或副詞原級 as --- 是…的幾倍/幾分之幾/百分之幾 練習：a.這個盒子是那個盒子的四倍重。 This box is ______ ________ _____ _______ ____ that box. b.這個房間是那個房間的三分之一大。 This room is ______ ________ ____ _______ ____ that room. 2.Sci

7、entists think that there has been life on earth for millions of years. 思考: There has been是There be結(jié)構(gòu)的______________時態(tài) 拓展:There be結(jié)構(gòu)的過去時態(tài)是______________; There be結(jié)構(gòu)的將來時態(tài)是______________或______________ 3.It has been two days since we landed on Mars. 同義句是It _______two days _____ we landed o

8、n Mars. 練習：a.自我們上次上街購物已經(jīng)是兩個月了。 It _______ ____ two months _______we _______ shopping. b.他父親死了十年了。It ____ ten years _______ his father _________. 同義句 (1) His father _______ ten years ______. (2) His father _____ ______ ______ for ten years. 小組合作完成組內(nèi)交流課堂展示 四、課后練習 一．(A)根據(jù)句意及首字母提示

9、補全單詞。 1.He’s doing r_____ on the causes of cancer. 2.The book is b_____ on a real story. 3.He wouldn’t travel with us b_____ the border(邊境). 4.My knowledge of French is pretty b______. 5.The weather report says that there will be a strong s_____ this afternoon. (B)根據(jù)句意用所給單詞的適當形式填空。 6.

10、_____ (science) research should be done carefully. 7.He _____ (risk) all his money on a game of cards. 8.Many families _____ (separate) by the war. 二、.完形填空。(10分) Last Wednesday, Mr. Green took his class to the Space Museum. There 16 many things about space there. First, the children saw a

11、 film about space travel. They saw 17 the spaceship took off into space and landed on the earth 18 . It was very exciting and the children felt they were traveling in space 19 ! After the film, Mr. Green took 20 to see some models of rockets and the shuttles. The models looked very real, but t

12、hey were much 21 . 22 the children saw some moon rocks. Two 23 landed on the moon in 1969, and they put up an American flag there. Then they took some rocks back to the 24 . 25 the children left, they also watched a video show about people living and working in a space lab. The people could

13、 stay in the space lab for months. ( )16.A.is B.are C.was D.were ( )17.A.how B.what C.when D.which ( )18.A.too B.already C.again D.badly ( )19.A.itsel B.ourselves C.oneself D.themselves ( )20.A.their B.them C.they D.theirs (

14、 )21.A.small B.smaller C.big D.bigger ( )22.A.Or B.But C.And D.Then ( )23.A.Americans B.Englishmen C.Australians D.Chinese ( )24.A.moon B.star C.earth D.sun ( )25.A.After B.As soon as C.Until D.Before 、、 獨立完成小組內(nèi)檢測 ? 教 學 反 思 ? ? ? ? 編寫:張云霞、祁德玉、江黎、左坤靜 校審:顧德金