2013九年级上英语复习资料unit4 topic2

Unit4 Amazing Science
Topic2 When was it invented ?
一.知识目标
1.重点词汇和短语：
metal , toothbrush , ink , recorder , clone , experiment , servant , housework , some day , some day , be made of/from/in/by , during one’s life , for certain , treat…as, make a contribution to doing sth. , as long as , run away
2.语法：
学习一般过去时的被动语态。

（was/were +done ）
3．重点句型及交际用语：
①It ______ _______ _________ _________(被用来发射)satellites or spaceships into space.
②I ________（希望）I could go into space _______ ________（有一天）.
③I _______（希望）your dream will ________ _________（实现）.
④–When was it __________ （发明）?
--Around 1998.
⑤–Do you know __________ _________ ________ __________（它什么时候发明）?
--It ________ _________ （发明）in 1879.
⑥_______ ________ ________（据说）Edison invented more than one thousand things
______ ______ ________（一生中）.
⑦_________ （克隆）is famous throughout the world.
⑧One scientist warns that if robots start to _______ _______ _________（独立思考）, they will
no longer want to be out servants , ________（而是）our masters.
⑨It has _________ ________ great ________________ ________（为……作贡献）humans’health / __________ （protect）the earth.
⑩This method __________ _________(效果好) at night ______ ________ ______（只要）the weather was good and the stars _________ _______ _________（能被看到）.
⑾Today , the problem has ______ ______(solve) by the Global Positioning System, or GPS. It’s like a man-made star.
⑿We can use it ____ _____ _____（随时）, ____ _____ _____（随地）and ____ _____ _____ （在任何天气）to find out our position.
⒀I _______ ________ _________ ________（不被允许）play computer games.
二.自我测评
Ⅰ.根据句意，准确填出下列句子中的介词。

1．This kind of machine is made _______ China.
2．The dumplings are made _______ my mother.
3．English is used _______ a second language.
4．Radios are used ___ old people _____ listening to the news.
5．The paper is made ______ wood.
6．Cars are mainly made ______ steel.
Ⅱ.单项选择
( )1. A talk on Chinese history ________ in the school hall last week.
A.is given
B. was given
C. gave
( )2. Y our DNA is similar ____ your parents’, but it isn’t the same ____ theirs.
A. as,.as
B. as,to
C. to,as
( )3.It’s said that he thief was caught yesterday, because he _____ some computers ____ the factory.
A. stole, from
B. is stolen, from
C. steals ,for
( )4.—Did you go to Jack’s birthday party?
---No, I ____________.
A.haven’t invited
B. didn’t invite
C. wasn’t invited
( )5.The great ________ Ddison _______ over 1,000 _______ in his life.
A.invention, invented, inventor
B.inventor , invented , inventions
C.inventor , discovered, inventions
( )6.There _____ some ink in the bottle.
A.is
B.are
C.have
( )7.---Have you learned English at school ?
---Y es. English _____ in our school and we all like learning it.
A. is teaching
B.is taught
C.was taught
( )8.---Y our city looks beautiful.
---Y es, lots of trees and grass _____ last year.
A.were planted
B.have planted
C.are planted
( )9.The teacher ________ the students ____ her children.
A.treat,as
B.treats , as
C.regard, as
( )10.I often help my parents do___________ after school.
A. housework
B. homework
C.toothbrush
Ⅲ. 把下列句子改为被动语态。

1.Lu Xun wrote these books.
_________________________________________________________
2.Lucy invited me to her birthday party last Sunday.
__________________________________________________last Sunday.
3.Our teachers allow us to play football after school.
___________________________________________________________after school.。