—When ________ personal computers ________？

— In 1971.

A. was; discovered B. were; invented

C. were; discovered D. was; invented

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源：上海市崇明縣2015--2016學(xué)年度第一學(xué)期 初三質(zhì)量調(diào)研英語試卷 題型：單項填空

- ______ building did the firemen save the old woman from last night?

- The blue one.

A. How B. Which C. Where D. Whose

查看答案和解析>>

科目：初中英語 來源：2017年石家莊市一模英語試卷 題型：單項填空

Do you know ________ now in the yard?

A. where Jim is reading B. when Jim is reading C. how Jim is doing D. what Jim is doing

查看答案和解析>>

科目：初中英語 來源：新目標(biāo)（Go for it）版英語九年級Unit 6 When was it invented單元測試卷 題型：單項填空

Three years goes by. Great changes have ________ in my school.

A. happened B. taken place

C. been taken place D. been happened

查看答案和解析>>

科目：初中英語 來源：新目標(biāo)（Go for it）版英語九年級Unit 6 When was it invented單元測試卷 題型：單項填空

—I'm sorry I've taken your dictionary ______because they have the same color.

—It doesn't matter.

A. at once B. by mistake

C. in general D. as well

查看答案和解析>>

科目：初中英語 來源：牛津譯林版英語七年級下冊第五單元綜合提優(yōu)測評卷 題型：單詞拼寫

A.請根據(jù)句意及提示，寫出所缺單詞。

1.The old man was ill, and he looked very _______ (虛弱的).

2.If he comes to ask me, I will tell him how to _______ (答復(fù))to the girl.

3.The man likes drinking very much. It's u_______ for him to refuse(拒絕)a drink.

4.The moon at that night was b_______ and beautiful.

5.We learned a lot about a_______ things in this unit.

查看答案和解析>>

科目：初中英語 來源：牛津譯林版英語七年級下冊第五單元綜合提優(yōu)測評卷 題型：單項填空

—I'm sorry to keep you waiting for a long time.

—Never mind. I got here only .

A. ten minutes later B. ten minutes before

C. in ten minutes D. ten minutes ago

查看答案和解析>>

科目：初中英語 來源：牛津譯林版英語九年級下 Unit 4 測試卷 （ word版附答案 ） 題型：語法填空

1.Some robots are______________ (special) designed to do housework for us.

2.When the old woman got on the bus, one of the______________ (passenger) gave his seat to her.

3.They felt______________ (comfortable) because there was too much noise outside.

4.The restaurant next door offered cheap and______________ (taste) food.

5.They didn’t come to an______________ (agree) yesterday.

查看答案和解析>>

科目：初中英語 來源：牛津譯林版英語7B Unit1 單元測試卷（word版附答案） 題型：完形填空

My name is Li Ming. I live in Nanjing with my parents. I am a new student in Sunshine Middle School. I am__________of the best students in my class.

My__________home is in the country. The air there is fresh and it is__________there. My house is very beautiful. There ___at least three floors. There is a river______________my house and behind it is a big garden. I can___trees and flowers in it. I like__________green everywhere and green is my favourite colour. I like to work in the__________and to watch fish

in the river. I’d like to invite my friends to my home. Then we can chat and play games. I have a computer in the study. I often do my__________and play computer games on it.

My dream house is so nice. I hope I can live a__________life with my family in it one day.

1.A. first B. the first C. one D. the one

2.A. brown B. drawing C. dream D. wooden

3.A. quiet B. free C. difficult D. busy

4.A. are B. is C. have D. has

5.A. in front of B. in the front of C. under D. on

6.A. watch B. make C. cut D. grow

7.A. see B. to see C. look D. to look

8.A. park B. garden C. house D. home

9.A. homework B. homeworks C. housework D. houseworks

10.A. unhappy B. unhappily C. happy D. happily

查看答案和解析>>

同步練習(xí)冊答案