2017--2018学年人教版必修二Unit 3 Computers reading课时作业
2017--2018学年人教版必修二Unit 3 Computers reading课时作业第4页

  C.Parents: Confused by new technology

  D.Children: Parents' technology advisors

  解析:主旨大意题。由文章大意可知。

  Ⅲ.完形填空

  Computer hackers (黑客) have now got their hands on mobile phones.

  A phone virus (病毒) can __1.C__ your phone do things you have no control over,computer security (安全) experts __2.D__.It might __3.D__ the White House or the police,or forward your personal address book to a marketing company or it could simply eat into the phone's operating software,turning it __4.A__ and erasing your personal information.Similar viruses have already made mobile phone owners __5.B__ in Japan and Europe.

  Ari Hypponen,chief technical officer of a computer security in Finland,said a virus can get your __6.A__ and send them elsewhere.And it can record your __7.B__.Mobiles are now able to surf the Net,send email and __8.C__ software,so they are an easy __9.D__ for the same hackers who have sent viruses to computers over the last decade."It's technically __10.B__ now",said Stephen Trilling,director of research at anti­virus __11.B__ maker Symantec Corp based in the US."If the phone is connected to the __12.C__,it can be used to transmit threats and __13.D__ targets (目标),just as any computer can."

  In Japan,if you opened a certain email message __14.C__ your mobile,it would cause the phone to repeatedly __15.B__ the national emergency number.So phone operators had to __16.C__ emergency calls until the bug was __17.D__.

  In Europe,mobile's short message service, __18.C__ SMS,has been used to send codes that could damage phones.

  Mobile users can __19.B__ viruses,of course,by sticking to (坚持) their traditional phones __20.D__ Web links,some experts said.

  1.A.get         B.force

  C.make D.damage

  解析:从四个选项来看,get/force要用带to的不定式作宾语补足语,而damage的含义与上下文不吻合。本句应用make sb.do sth.结构。

  2.A.speak B.talk

  C.tell D.say

  解析:及物动词say,前面的内容是它的宾语。speak常接语言作宾语;talk是不及物动词,不直接接宾语;tell应接双宾语。

3.A.lead B.cause