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1、Unit1 Grammar（B、C）精品教案精品教案Learning aims 知识目标Object clauses introduced by that Object clauses introduced by if or whether能力目标Make object clause sentences情感目标To be interested in EnglishMain points and difficult pointsHow to connect two sentencesHow to connect two sentencesLearning procedures：1. 自学展示自学
2、展示把下列句子改成宾语从句。(1) Earth is becoming more and more crowded and polluted. (Daniel thinks)(2) People will live on the planet Mars by the year 2100. (Daniel thinks)(3) The robot will do most of our work. (Daniel thinks)(4) Hell be back in a month. (I hear)(5) I have been to the Great Wall once. (He tell
3、s me)2. 探究学习探究学习Step 1 RevisionCheck the exercises about modal verbs in the workbook.Step 2 Lead-inAsk the students two questions about the life on Mars.What do many people think of the life by the year 2100?Who will do most of the work on Mars?Step 3 Presentation 1(1) According to the students answ
4、ers, show them the sentences with object clauses.People think (that) robots will do most of our work.Many people believe (that) we will live on the planet Mars by the year 2100.Many people are sure (that) they will have more time for their hobbies.Then tell the students to find out the rules with th
5、e hint: From the sentences, we know (that) an object clause can be put after some _, such as think, believe, know, or after some _, such as sure, certain.(2) Ask the students to change one sentence into the negative one, and give them two items and make the students choose the better one.Many people
6、 believe (that) we will live on the planet Mars by the year 2100.(改为否定句)Many people dont believe (that) we will live on the planet Mars by the year 2100.Many people believe (that) we will not live on the planet Mars by the year 2100.And then tell the students we always put not before think and belie
7、ve.Step 4 Practice 1Ask the students to find out whether it is an object clause or not.Step 5 Presentation 2Another 2 questions Can any plants grow on Mars now?Many people are sure that some plants can produce enough water on mars, arent they?Then show the students object clauses to introduce a yes/
8、no question.Then tell the students to pay attention to the order and the tense.Step 6 Practice 2(1) Use if or whether to make object clauses(2) Fill in the blanks with that, if or whether.3. 课堂整理课堂整理(1) 我们可以在动词后用 that 来引导一个句子，替代宾语，在口语中 that 可省略。(2) 我们可以在动词后用 whetherif 来引导yes or no question.若句子中有or not 时，只能用 whether(3) 句中用陈述句的语序。4. 当堂练习当堂练习把下列句子改成宾语从句。(1) Could the plants produce enough water? Daniel is not sure (2) Are there any aliens on Mars?(3) Are animals on Mars dangerous?教后记：
