重慶市九年級英語上冊學(xué)案：Unit4 11

精品資料九年級（上）英語 導(dǎo)學(xué)案 班級 姓名 課題學(xué)習(xí)目標(biāo)1.學(xué)習(xí)熱愛科學(xué)、探索未知領(lǐng)域的積極態(tài)度。2.了解更多關(guān)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 wide as that of the earth. (2) It has been two days since we landed on Mars.學(xué)習(xí)重點掌握重點詞匯和句型學(xué)習(xí)熱愛科學(xué)、探索未知領(lǐng)域的積極態(tài)度學(xué)習(xí)難點教學(xué)方法和教學(xué)時數(shù)采用多媒體教學(xué)方法，小組合作探討，師生問答等方式1 period學(xué) 習(xí) 過 程學(xué)習(xí)內(nèi)容（學(xué)生活動）學(xué)習(xí)方法教師知識講解一、學(xué)前準(zhǔn)備 （自學(xué)1a，英漢互譯） 1.be named after Mars_ 2.the Roman god of war_ 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(xué)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 -_( ) 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(fù)數(shù),用_指代 練習(xí): a.我們學(xué)校像花園一樣美。Our school is _ _ _ 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(xué)生自主學(xué)習(xí)課堂展示三分組討論 合作探究1 The gravity on the surface of Mars is about two-fifths as strong as it is on earth.點撥：倍數(shù)詞/分?jǐn)?shù)/百分?jǐn)?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(xí)：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.Scientists 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 on Mars. 練習(xí)：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(xí)一(A)根據(jù)句意及首字母提示補(bǔ)全單詞。 1.Hes doing r_ on the causes of cancer. 2.The book is b_ on a real story. 3.He wouldnt 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(dāng)形式填空。 6._ (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 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 they 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 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 ( )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(xué)反 思    編寫:張云霞、祁德玉、江黎、左坤靜 校審:顧德金 最新精品英語資料