必修2 Unit 3 课下作业(一~三)

必修2 Unit 3 课下作业（一~三）

课下作业（一）考点过关针对练

Ⅰ.单词拼写

1．It was just her childhood experiences that affected her character (性格) and later life.

2．Many people call the age we live in the age of technology (科技)．

3．Seeing their favourite star come in, the devoted fans arose (起身) from their seats immediately.

4．The policeman scolded the driver for turning without a signal (信号)．

5．Her childhood dream became a reality (现实) when she broke the 100m race world record.

6．It is well-known that overpopulation is a universal (普遍的) problem.

7．When the computer is stopped in this way, it can only be restarted by the operator (操作员)．

8．If the naughty (淘气的) students are removed from the class then the others can learn in peace.

9．The software downloaded (下载) on the Internet must be installed properly.

10．I haven't calculated (计算；估算) the cost that we will spend in travelling.

Ⅱ.语境语法填空

1．Li Hua is the eldest son of the family and it is generous of him to share his toys ❶with his brothers.Besides, he often provides help ❷for them.They have a lot ❸in common.For example, they are all good at making ❹up stories.

2．I have a good robot friend ❶whose name is Jack.“He” is similar to a human being ❷in many ways.“He” is a robot about 120 centimeters tall with a lovely face and two bright eyes, ❸designed (design) by my thoughts.When I put on my cap, my brain sends out ❹signals (signal) to the cap on my head, which can pick up the signals and send them to a computer.In this way the computer reads the signals ❺and then controls “his” moves.

3．With the Internet ❶developing (develop) rapidly, people can apply for the job through the Internet.It is very convenient for students to solve the difficult problem ❷with the help of several clicks.❸In a way, computers have changed our life.However, many students become so crazy about computers ❹that they spend too much time on them.As ❺a result, some of the students fail the exams.Anyhow, computers play ❻an important part in our life.

Ⅲ.语境改错

1．文中共有6处错误，每句中最多有一处，请找出并改正。

As the Internet becomes more and more popular, we have fewer face-to-face talk with our friends.As a result, the problems have been arisen for lack of st Saturday, I turned my friend Li Hua for help.At a agreed signal I entered his office.He gave me some advices on how to deal with the problems.I couldn't total agree with him, but what he said was partly reasonable.

答案：第一句：talk→talks

第二句：去掉been

第三句：turned后加to

第四句：a→an

第五句：advices→advice

第六句：total→totally

2．文中共有4处错误，每句中最多有两处，请找出并改正。

Faced with so many problems arising from lack of communication, I didn't know what to deal with them independently.After all, I had never left my parents.As a result of, I couldn't adapt to my new school life.Lucky, with the help of my teachers and classmates, I have got along well with my classmates and made a great progress in my study.

答案：第一句：what→how

第三句：去掉of

第四句：Lucky→Luckily; 去掉a

Ⅳ.根据提示补全句子

1．我们的政府已承诺提高我们的水质，所以不久之后居民就可以喝到干净水了。(before 引导时间状语从句)

Our government has promised to improve our water quality, so it_won't_be_long_before the residents can have access to clean water.

2．随着生活水平的提高，我们越来越有时间消遣。(as引导时间状语从句)

As_our_life_improves,_we find more and more time entertaining.

3．结果，孩子们变得如此依赖(reliant)他们的父母，以至于他们没有独立的想法或创意。(so ...that引导结果状语从句)

As a consequence, children become so_reliant_on_their_parents_that they have no independent thoughts or creative ideas.

4．简到家时，她的姑姑将已经动身去伦敦开会。(by the time)

By_the_time_Jane_gets_home,_her aunt will have left for London to attend a meeting.

5．说实话，我对如何解决这个难题感到困惑。(solve)

To be honest, I'm at a loss how_to_solve_the_difficult_problem.