海南国科园实验学校九年级英语全册 Unit 4 Topic 3 What do you know about Mars教学案(1).doc

unit 4 topic 3 what do you know about mars studying aims:1. i dont think aliens can be found in space.2. more satellites must be sent into space.3. other planets may be visited in the future.4. i wont believe there are aliens until i see them with my own eyes.自学指导1.将下列单词短语中英互译，朗读并默写这些短语。 1. 研究, 调查_ 2. 为了_ 3. 将来_ 4. see.with ones own eyes=see .oneself_2. listen to 1a and answer the question. what is the movie about? _3. 大声朗读下列句子，并背诵。 1. i dont think aliens can be found in space.2. more satellites must be sent into space.3. other planets may be visited in the future. 思考:以上句子都使用了含有情态动词的被动语态。通过观察可以看出含有情态动词的被动语态结构为: _.课堂检测一. 根据语境及中文提示，完成下列句子。 1. will the scientist give a lecture in our school? -yes. hell tell us something about his scientific _(研究). 2. a liens are usually _(描述) to have strange looks. 3. the route(行程) for the trip should be _(讨论) at the meeting. 4. -look at the screen! you will appear on it when the bell rings. -_ _(多么有趣的事)！二. 句型转换。1. we should divide the cake into pieces and share it with others. (改为被动语态) the cake _ _ _ into pieces and be shared with others.2. they must send the patient into good hospital right now. (改为被动语态) the patient _ _ _ into a good hospital right now.3. john hopes that she can travel to the moon in the future. (同义句转换) john hopes she will _ _ _ travel to the moon in the future.4. he works hard at english so that he can go abroad for better education. (同义句) he works hard at english _ _ _ go abroad for better education.5. i wont believe the result until i see it myself. (同义句转换) i wont believe the result until i see it _ _ _.三. 补全对话. a: what are you making, tom? b: im making a model rocket. a: how nice! _ b: of course. _ a: could you tell me something about rockets? b: sure. rockets are used for sending satellites into space. a: _ b: yes. and we can also learn much about other planets. a: _ b: thats right, including its speed and direction. a: _ b: i hope your dream will come true.a. are you sure that it fly in the sky? b. it can be controlled by this tiny machine.c. can satellites be used to explore other planets? d. they should be controlled by computers. e: i wish i could travel to space in the future.unit 4 topic 3 what do you know about mars?section b自学指导1.将下列单词短语中英互译，朗读并默写这些短语。1. 基本的_ 2. 教练, 马车_ 3. admire_4. 以.为基础_ 4. science fiction_2. listen to 1a and answer the questions.(1) what is kangkang going to be when he grows up? _(2) what about maria? why? _ 课堂检测一. 根据语境及字母提示，补全单词。1. liu guoliang is known as a great table tennis c_.2. -now many singers are becoming popular because of voice in china. -i really a_them.3. i think any news on tv should be b_ on the fact or it will have bad effects.4.humans have explored the moon already. nothing was d_ on it but soil and rocks.二. 根据中文意思，完成句子。1. 这个老人病的如此严重， 他必须马上送医院。 the old man is so seriously ill that he _ _ _ to the hospital at once.2. 由于进展不顺利, 这场音乐会可能要推迟。 the concert _ _ put off because something _ _.3. 在将来，机器人可能会被用于服务人类吗？ _ robots _ _ for serving people in the future?4. 大部分垃圾可以焚烧用来发电。 most of the rubbish _ _ _ to produce electricity.5. 这些药物应该被储存在阴凉的地方。 the medicine _ _ _ in cool places.unit 4 topic 3 what do you know about mars?section c自学指导1.将下列单词短语中英互译，朗读并默写这些短语。 1. 风暴, 暴雨_ 2. be named after_ 3. at a distance of_ 4. be close to _ 5. 搜索_2. 大声朗读下列句子，并背诵。 its diameter is 53% as wide as that of the earth. 倍数分数百分数+as+形容词原级+as, 表示.是.的几倍几分之几百分之几 (1)这个城市的人口是那个城市的两倍。the population of this city is _ that of that city.(2) 这条河是那条河的三分之二长。 this river is _ that river.课堂检测一. 根据句意及中文提示写出单词或短语。1. whats the weather like in summer here? -it often rains, sometimes with _(风暴)。2. the weather in kunming makes us feel comfortable. so its _(以.命名) after the season of spring.3. could you please show me your hometown on the map? its here, at a _(距离) of 500 kilometers from beijing.4. they got lost in the forest. _ _, the weather was bad.二. 根据中文意思，完成句子。1. 这个新社区是我们学校的五倍。 the new community is _ _ _ _ _ our school.2. 没有人知道这些行星是否围绕着太阳旋转。 nobody knows whether these planets _ _ the sun.3. 在这个城镇里，三分之二的疾病是由空气污染引起的。 in this town, _ _ of the illness are caused by air pollution.4. 自从电脑被发明以来已经将近70年了 it _ _ nearly 70 years since computers were invented.unit 4 topic 3 what do you know about mars?section d自学指导：1.将下列单词短语中英互译，朗读并默写这些短语。1. 超出.之外_ 2. 单独的, 分开的, 使分离_3. there has been_ 2. 词语辨析 alonelonely alone 表示单独，独自一人。lonely 表示孤独寂寞， 强调内心的感受。 he lives _, but he doesnt feel _. 课堂检测一. 用动词的适当形式填空。 1. the earth is our home. it must _(protect) well. 2. when can the work _(finish)? 3. should the computer _(repair) at once? 4. trees an not _(plant) in winter. 5. where should these boxes _(put). 6. the book is very interesting. it is well worth _(read).二. 单项选择。( ) 1. its said that humans have explored mars, but life _ there. a. can be found b. cant be found c. cant found( ) 2. -how is your life in the new school? -i feel very _ because _of my cla