1、Unit 13 We are trying to save the earth! Section A(1a-2d)【课前热身】短语充满 不再 把打扫干净 砍到 代替【学习目标】1.掌握重点单词及短语。2.复习语法,能正确区分和使用以下语法结构:现在进行时,被动语态,现在完成时,情态动词。. 【重难点】:1.能谈论环境污染和环境保护问题.二合作交流1、 预习交流,检查 1a 的预习效果。2、 合作学习1.)放录音让学生完成 1b, 2.)小组操练,完成 1c. 3.)放录音让学生完成 2a-2b 3、拓 展 延 伸 完 成 2c 讨 论 句 型 :4、 系统总结 【知识点拨】Were tryin
2、g to save the earth!我们正在设法拯救地球!Try 是动词,意为“试图,设法”如:我正设法算出这道数学题。动词 try 还表示“试” 、 “尝试” , “试用”你试过种药了吗?拓展:try 搭配的词组:try to do sth 设法做某事;try on 试穿;try out 尝试,实验;try ones best 尽全力;have a try 试一下。明天我将尽量早来。他还没有试穿过这件毛衣。我们的老师总是尝试一些新的想法。Lucy 将尽力赶上其他同学。让我试一下。2 与 how 有关的短语:how big 多大、how far 多远、 how soon 多久、how lo
3、ng 多长、how often 多少一次、how wide 多宽、how manymuch 多少这条街多宽?你妈妈多久回来?从车站到超市多远?【夯实基础】选择1. Lets turn the radio down. Your father .A .is sleeping B. slept C. sleeps D. is sleep2.Where is Bob?He to the library.A.is going B.has been C.went D.has gon3.How long may I your bike ?A.lend B.borrow C.keep D.get4.The a
4、nimals are made in the zoo A.live B.to live C.living D.to living提高题1. There used to be river in front of the city, ?A. did it B. usent it C. didnt there D. did there3.Another zoo in the city .A.built B.has built C.is being built D.will being built3I dont know when he ,but if he ,Ill call you .A.comes,comes B.will come, comesC.comes,will come D.will come,will come【课后作业】A 组:1.Copy new words2. Write two dialogues like 1cB 组:1. Copy new words2. Make up their own dialogues like 1c【教师反思】【学生反思】