2017-2018学年高中英语unit3computerssectionⅳ课时作业新人教版必修

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1、Unit 3Section Grammar现在完成时的被动语态.单句语法填空1More than 100 famous films have_been_shown (show) in the city since July.2Since your work has_been_finished (finish), you can have a rest now.3How many cars have_been_made (make) in the factory since 1990?4Three new schools have_been_opened (open) in our city i

2、n the past five years.5Its the first time that the old computer has_been_checked (check) since I bought it.6Great changes have_taken (take) place in my hometown and you can see that a lot of factories have_been_set (set) up.7Their new cars have_been_advertised (advertise) on the Internet for a long

3、time.8All the athletes have_been_selected (select) from millions of people all over the country in the past two months. 9A new library and a gymnasium in our school have_been_set (set) up so far and they will be put into use very soon.10A great many machines have_been_produced (produce) by the facto

4、ry since the technological revolution.阅读理解For a year and a half, kids sent hurtful messages like “You are so ugly.” or “Why are you still alive?” to Rebecca Sedwick. In 2013, Rebecca, then 12, couldnt stand it anymore. She jumped to her death near her home in Florida. Soon afterward, Trisha Prabhu r

5、ead about the story. “I was surprised and heartbroken,” says Trisha, now 15, who is from Naperville, Illinois. “I knew that I had to do something to stop this from ever happening again.”Trisha did some research. Studies show that one fourth to half of all teens in the US. have been cyberbullied (网络欺

6、凌). Experts say that if you are ever bullied online, you should tell a trusted adult. Tell the cyberbully to stop, and prevent him or her from contacting (联系) you again. Print and save messages to share with the police. This is good advice, agrees Trisha. But these methods all take place after the b

7、ullying has already happened. Trisha had a different idea. Why not teach cyberbullies to stop before they post these messages?Trishas research who awards, including a prize in the Google Science Fair. Then, Trisha built the ReThink app (应用软件). It is programmed to recognize words or phrases that coul

8、d be hurtful. When that happens, different warning messages come out. “Dont say things that you may regret later!” says one message. Others ask, “Are you sure you want to say this?” and “Are these words really you?”Now Trisha is working on a version (版本) of ReThink for computers.“Im a big dreamer,”

9、she says. “I want to stop cyberbullying before the hurt is done.”【文章大意】本文是记叙文。为了防止同龄人受到网络暴力的威胁,一个美国女孩设计出了一款名为ReThink的应用软件。1What do we know about Rebecca Sedwick?A. She ended her life at the age of 12.B. She sent hurtful messages to others.C. She was one of Trishas best friends.D. She went to Florida

10、 to study further.解析:A细节理解题。由第一段中的In 2013, Rebecca, then 12. jumped to her death可知,Rebecca在十二岁的时候结束了自己年轻的生命,故选A项。2What is Trishas suggestion for stopping cyberbullying?A. Stop talking with the cyberbully.B. Stop the messages before they are sent.C. Turn to your parents or close friends.D. Show the m

11、essages to the police at once.解析:B细节理解题。由第二段中的Trisha had a different idea. Why not teach cyberbullies to stop before they post these messages?可知,Trisha认为阻止网络暴力的最好办法首先是阻止这些信息散发出去,故选B项。3What is the third paragraph mainly about?A. Peoples attitudes to the ReThink app.B. Trishas research on cyberbullyin

12、g.C. How the ReThink app works.D. The Google Science Fair.解析:C段落大意题。本段主要介绍了ReThink这款应用软件的工作原理,故选C项。4Which of the following can best describe Trisha?A. Helpful and clever.B. Honest and careful.C. Proud and impolite.D. Strange and impatient.解析:A推理判断题。为了防止同龄人受到网络暴力的威胁,Trisha运用自己的聪明才智设计出了ReThink这款应用软件,所

13、以她是一个乐于助人而且非常聪明的孩子,故选A项。.完形填空Yesterday I saw such a heartwarming act of kindness. It will forever be _1_ in my mind. I had to run downtown to help my friend Bonnie out for a few hours. On my _2_ ride back to the train station, we were caught in a traffic jam (交通堵塞) right by the _3_. As I looked out

14、of the bus window a handsome young man _4_ out of the side door of the theatre. It was _5_ and windy outside. He had a heavy jacket on and a scarf wrapped (包裹) around his neck. As he was walking towards the bridge there were three _6_ men with their cups, each sitting maybe 15 feet from one another.

15、 The _7_ man went to the first beggar (乞丐), dug into his pocket and pulled out some _8_he said a few words to the first homeless man and put the money in his _9_. The young man started walking and now _10_ the second beggar. He _11_ for a minute, dug into his _12_, said a few words and then gave thi

16、s _13_ man a candy bar. After it was _14_ the young man moved on. _15_ he saw the third homeless man. The third man was cold. The young man now _16_by him and took off his _17_ and wrapped it around the beggars neck in a very _18_ way and with a huge _19_said a few words and moved on. Well the beggars were happy and felt that som

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