Unit6When was it invented？section A1a-2c练习-2024-2025学年人教版英语九年级全册

Unit6 When was it invented ?（ section A1a---2c） 一.自主学习 （一）英汉互译 1.被用作 2习惯于做某事 ____________ 3按照什么顺序--- 4微波炉 _________ 5电灯泡 ____ 6. shoes with adjustable heels ________ 7.heat ice cream scoop ______- 8. battery-operated slippers. 9.上一节历史课 ___________________ （二）写出下列单词的正确形式 1.invent(名词) \ 2.operate.( (形容词) 3.use.(形容词) 4.scoop(现在分词) ____ 5.electric(名词) 6.heat（形容词） 7.see（现在分词） ________ （过去式） ____ （过去分词） _____________ 8.change（现在分词） 二、训练巩固: 单项选择 1. It is said that potato chips by mistake about a hundred years ago . A. invent B. invented C. are invented D. were invented 2. When was the car invented?. ---It was invented__________ 1885 A. at B in C. on D .for 3. This kind of machine cutting paper . A. used for B. is using for C .is used for D. is used as 4.Where the 2010 World Expo(世博会) ? ——In shanghai A. does; hold B .was; held C .will; be held D. will; hold 5. My father a soldier when he was young. A .used to be B. used to being C .is D .has been 6.—Do you plant trees in spring ? ---Yes, many trees _______in our city every year. A are planting B. are planted C. were planted 8.They were made day and night those days. A. work B. worked C. to work D. works 9.Look! A boy is falling the river. Lets go and save him. A .into B off C .over D. down 10.The students ____to do their homework carefully. A .make B .are made C .are making 11. The brown desk____ of wood. A. make B. made C. is made D. makes 12 The People's Republic of China ___ on October 1, 1949. A. found B. was founded C. is founded D. was found 13.English ____ in Canada. A. speaks B. are spoken C. is speaking D. is spoken 14. This English song___ by the girls after class. A. often sings B. often sang C. is often sang D. is often sung 15. This kind of car ___ in Japan. A. makes B. made C. is making D. is made 16. New computers ___ all over the world. A. is used B. are using C. are used D. have used 17. Our room must ___ clean. A. keep B. be kept C. to be kept D. to keep 18. -I'd like to buy that coat. -I'm sorry. ___. A.it sold B. it's selling C. It's been sold D. it had been sold 19.A new house ___ at the corner of the road. A. is building B. is being built C. been built D. be building 20. The key ___ on the table when I leave. A. was left B. will be left C. is left D. has been left 三、作业布置： A.必做题 句型转换 1.It was invented in 1888(画线提问) was it ? 2.It was invented by Chelsea Lanmon (画线提问). _______was it invented_________? 3 .Mike broke the window yesterday.（改为被动语态） The window______ ________by Mike yesterday. 4. More and more people in the world speak Chinese.（改为被动语态） Chinese ______ _________ by more and more people in the world. 5. We must do it as soon as possible. It _______ _____ ______by us as soon as possible. 6. Mother bought me a new coat. A new coat _______ ________by mother for me. I_______ _______a new coat by mother. 7.. The boys were told not to play in the street by the police man.（改为主动语态） The police man ______ ______ _______ ______ _______ ________ in the street. 8. Do people play basketball all over the world? (改为被动语态) _________ ____________ _____________all over the world? ### 一、自主学习 #### （一）英汉互译 1. be used as 2. be used to doing sth. 3. in what order 4. microwave oven 5. electric bulb 6. 带可调节鞋跟的鞋子 7. 加热冰淇淋勺 8. 电池驱动的拖鞋 9. have a history lesson #### （二）写出下列单词的正确形式 1. inventor（发明家）；invention（发明物） 2. operational（操作的；可使用的） 3. useful（有用的）；useless（无用的） 4. scooping 5. electricity（电） 6. heated（加热的；热的） 7. seeing；saw；seen 8. changing ### 二、训练巩固: 单项选择 1. **D** - “potato chips”和“invent”之间是被动关系，即薯片被发明。时间状语是“about a hundred years ago”，表示过去的时间，所以要用一般过去时的被动语态，结构是“was/were + 过去分词”，“potato chips”是复数，用“were”，“invent”的过去分词是“invented”，故选D。 2. **B** - 在年份前用介词“in”，“1885”是年份，所以用“in”，选B。 3. **C** - “be used for doing sth.”表示“被用来做某事”，“This kind of machine”是单数，be动词用“is”，所以选C。 4. **B** - “the 2010 World Expo”和“hold”之间是被动关系，即世博会被举办。时间是“2010”，是过去的时间，要用一般过去时的被动语态，结构是“was/were + 过去分词”，“the 2010 World Expo”是单数，用“was”，“hold”的过去分词是“held”，所以选B。 5. **A** - “used to do sth.”表示“过去常常做某事”，“be used to doing sth.”表示“习惯于做某事”，根据“when he was young”可知是过去常常是一名士兵，用“used to be”，选A。 6. **B** - “many trees”和“plant”之间是被动关系，时间状语是“every year”，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“trees”是复数，用“are”，“plant”的过去分词是“planted”，所以选B。 8. **C** - “make sb. do sth.”在主动语态中省略“to”，但在被动语态中要把“to”还原，即“sb. be made to do sth.”，所以选C。 9. **A** - “fall into”表示“掉进；落入”，这里说一个男孩掉进河里，选A。 10. **B** - “The students”和“make”之间是被动关系，即学生被要求认真做作业，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“students”是复数，用“are”，“make”的过去分词是“made”，所以选B。 11. **C** - “The brown desk”和“make”之间是被动关系，即桌子是由木头制成的，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“desk”是单数，用“is”，“make”的过去分词是“made”，“be made of”表示“由……制成（能看出原材料）”，所以选C。 12. **B** - “The People's Republic of China”和“found”（建立）之间是被动关系，时间是“October 1, 1949”，要用一般过去时的被动语态，结构是“was/were + 过去分词”，“The People's Republic of China”是单数，用“was”，“found”的过去分词是“founded”，所以选B。 13. **D** - “English”和“speak”之间是被动关系，即英语被说，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“English”是不可数名词，用“is”，“speak”的过去分词是“spoken”，所以选D。 14. **D** - “This English song”和“sing”之间是被动关系，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“song”是单数，用“is”，“sing”的过去分词是“sung”，“often”是频度副词，放在be动词后，所以选D。 15. **D** - “This kind of car”和“make”之间是被动关系，即这种汽车在日本被制造，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“car”是单数，用“is”，“make”的过去分词是“made”，所以选D。 16. **C** - “New computers”和“use”之间是被动关系，即新电脑被使用，要用一般现在时的被动语态，结构是“am/is/are + 过去分词”，“computers”是复数，用“are”，“use”的过去分词是“used”，所以选C。 17. **B** - “Our room”和“keep”之间是被动关系，即我们的房间必须被保持干净，“must”是情态动词，情态动词的被动语态结构是“情态动词 + be + 过去分词”，“keep”的过去分词是“kept”，所以选B。 18. **C** - “coat”和“sell”之间是被动关系，“coat”已经被卖了，对现在造成的影响是不能买了，要用现在完成时的被动语态，结构是“have/has been + 过去分词”，“coat”是单数，用“has”，“sell”的过去分词是“sold”，所以选C。 19. **B** - “A new house”和“build”之间是被动关系，“Look!”说明动作正在进行，要用现在进行时的被动语态，结构是“am/is/are + being + 过去分词”，“house”是单数，用“is”，“build”的过去分词是“built”，所以选B。 20. **B** - “The key”和“leave”之间是被动关系，“when I leave”表示将来的时间，要用一般将来时的被动语态，结构是“will be + 过去分词”，“leave”的过去分词是“left”，所以选B。 ### 三、作业布置：A.必做题 句型转换 1. When; invented - 对时间“in 1888”提问用“when”，原句是一般过去时的被动语态，变为特殊疑问句结构是“特殊疑问词 + was/were + 主语 + 过去分词”，所以是“When was it invented?” 2. Who; by - 对人“Chelsea Lanmon”提问用“who”，原句是一般过去时的被动语态，“by”表示动作的执行者，所以是“Who was it invented by?” 3. was broken - 主动语态“Mike broke the window yesterday.”改为被动语态，“The window”是动作的承受者作主语，原句是一般过去时，一般过去时的被动语态结构是“was/were + 过去分词”，“window”是单数，用“was”，“break”的过去分词是“broken”，所以是“The window was broken by Mike yesterday.” 4. is spoken - 主动语态“More and more people in the world speak Chinese.”改为被动语态，“Chinese”是动作的承受者作主语，原句是一般现在时，一般现在时的被动语态结构是“am/is/are + 过去分词”，“Chinese”是不可数名词，用“is”，“speak”的过去分词是“spoken”，所以是“Chinese is spoken by more and more people in the world.” 5. must be done - 原句“We must do it as soon as possible.”含有情态动词“must”，含有情态动词的被动语态结构是“情态动词 + be + 过去分词”，“do”的过去分词是“done”，所以是“It must be done by us as soon as possible.” 6. was bought; was given - “Mother bought me a new coat.”有两种被动语态形式。 - 第一种：“A new coat”作主语，原句是一般过去时，一般过去时的被动语态结构是“was/were + 过去分词”，“coat”是单数，用“was”，“buy”的过去分词是“bought”，所以是“A new coat was bought by mother for me.” - 第二种：“I”作主语，原句是一般过去时，一般过去时的被动语态结构是“was/were + 过去分词”，“I”用“was”，“give”（在这里相当于“bought me”的转换表达）的过去分词是“given”，所以是“I was given a new coat by mother.” 7. told the boys not to play - 被动语态“The boys were told not to play in the street by the police man.”改为主动语态，原句是一般过去时，“The police man”作主语，“tell sb. not to do sth.”是固定用法，“tell”的过去式是“told”，所以是“The police man told the boys not to play in the street.” 8. Is basketball played - 主动语态“Do people play basketball all over the world?”改为被动语态，“basketball”是动作的承受者作主语，原句是一般现在时，一般现在时的被动语态结构是“am/is/are + 过去分词”，“basketball”是单数，用“is”，“play”的过去分词是“played”，所以是“Is basketball played all over the world?” 学科网（北京）股份有限公司 $$