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Unit 4 Amazing Science

教师寄语：No man is born wise or learned . (没有人天生是聪明和有才能的。) Class________ Grade9 Group_________ Name_____________ 课型：巩固+展示课

Title: Unit 4 Amazing Science (神奇的科学)

Topic 1：When was it invented? ( 它是什么时候发明的？) Section: D 1a-1b ( P87-88) 一课时 Learning steps (学习过程):

（Check before class）（5’）(我会做)

1．自学新词汇：先汉译英并写出单词的音标及词性，然后熟读。 1) 探险者，勘探者 ( ) / / ________ 2) 标示，记号/作记号 ( ) / / ________ 3) 体系，方法 ( ) / / ________ 4) 人造的，非天然的 ( ) / / ________ 2. 回忆本话题所学的短语及词组，然后英汉互译下面各题并朗读：

1)laugh at _______________ 2)It’s said that_______________________ 3)be designed for______________________4) again and again__________________ 5)允许某人做某事_____________________6) 实现____________________ 7)被用于____________________8) 由……制成_____________ _____________

（Learning target）（1’）

1．学习第87-88页的新单词，要求会读会写； 2. 学习短文，掌握古代和现代人们是如何确定方位的； 3．复习一般过去时的被动语态的用法；

（Self-study）（20’）（我最棒）

Task1： 跟读P87短文，然后画出 并翻译下面的短语和句子。 A: Phrases (短语)

1) in the sky________________ 2) in …direction_________________

2) find out___________________ 4) the rest of the time________________ 5) work well ____________6)the Global Positioning System____________________ B: Sentences（句子）

1) The early explorers found that the stars in the sky were good guiding marks. 译：___________________________________________________________ 2) It can also be used to improve your spoken English.

译：___________________________________________________________ 【点拨】1)be used to do sth. 被用来做某事 同义词组:__________________ e.g.这本书可用来提高你的英语口语。

The book can ______ ______ ______ ______ your spoken English. 2) be used to 习惯于 to为介词 后接名词、代词或v-ing 形式。 e.g. 我已习惯了这里的食物和天气。

I ______ _______ _______the food and weather here.

Task2：Read 1a and answer the questions of P88. (阅读1a完成P88的问题。) The answers are: 1)_____________________________________________________ 2)__________________________________________________________________ 3)_________________________________________________________________ _______________________________________________________________ 4)___ _________________________________________________________

（Let’s show and improve ）（15’）（我参与）

Task 1： 【Grammar—被动语态(Passive Voice II ) 】 见P125 用括号内单词的适当形式填空。

1) The radio _____________(invent) by Guglielmo Marconi in 1985. 2) ---When _______ the digital camera ___________(develop)? --- It _______________( develop) in 1970s. 3)---Where ________it _________(develop)? --- It ______________( develop) in Japan. 4) ---What _____a rocket ________(use ) for ?

---It ____________(use) for sending satellites or spaceships into space.

【小结】被动语态表示：主语是谓语动作的承受者。以上前3小题都是________的被动语态。其构成是由be 的过去式__________________________。 注意：不及物动词（指不能直接接宾语的动词）只有主动语态，没有被动语态。

Task2： 【Functions】回忆本话题所学的常用表达，然后完成下面的句子并齐读。 1)I ________(希望)I could go into space some day. 2)I ________ (希望)your dream will come true.

3) _______________(据说)he invented more than two thousand things during his life. 4) Inventing is interesting and exciting and everyone ____________________（能成为一名发明家）.

（Summary ）（4’）（我能行） 1、记住本节课的所学的知识；

2、整理导学案，梳理本节课所学的知识，检查导学案并完成导学案上所有内容,学习组长注意检查督促。

（Test in the end ）(5’)（我会做） 1、根据汉语提示完成句子。

1.Mr. King can’t be at home because there is a ___________(锁) on his door. 2. I think the telephone is one of the most important ______________(发明). 3.--- May I use your computer , Mike?

--- Sorry. There’s something wrong with the _______________(键盘). 4. Look! There are many colorful ___________(气球)in the sky.

5. He made a ______________(记号) under the new word and looked it up in a dictionary. 6.________ _______ __________(我们中没有人) like the movie . It is boring.

2、单项选择。

( )1)Flowers ________along the road last year.

A. plant B. planted C. are planted D. were planted

( )2)---Oh, my God ! I can’t find my key to the office.