人教版 (2019)必修 第二册Unit 3 The internet练习

这是一份人教版 (2019)必修 第二册Unit 3 The internet练习，共7页。试卷主要包含了答案与解析等内容，欢迎下载使用。
Ⅰ.阅读理解
A
Since the Internet came int hmes，the daily life has never been the same again. But the thing that wrries mst f us is that we can get viruses frm the Internet. But can we catch viruses n ur cell phnes? A new study in the jurnal Science says yes，but the spread f such mbile sftware that can bring harm t ur cell phnes wn't reach dangerus levels until mre cell phnes are n the same perating system.
Cmputers are easily attacked by viruses because they share data，especially ver the Internet. Of curse, nwadays，mre peple are using their cell phnes mre and mre frequently. They use them fr emailing，text messaging and dwnlading ring tnes, etc. , s it is evident that cell phne viruses are a threat as well.
Scientists used nameless call data frm mre than six millin cell phne users t help mdel a pssible utbreak. And they cncluded that viruses that spread frm phne t phne by Bluetth are nt much cncerned，because users have t be in clse physical relatin fr their phnes t “see” ne anther. Hwever, viruses that spread thrugh multimedia messaging services can mve much faster，because they can cme in disguise (伪装), such as a cl tune sent by a friend. The gd news is that t be effective，these viruses need their victims (受害人) t all use the same perating system，which nt enugh f us d. Thank gdness.
1．What is the passage mainly abut?
A．The perating system f cell phnes.
B．The threat f cell phne viruses.
C．The wide use f cell phnes.
D．Cmputer viruses.
2．When________， cell phne viruses can be dangerus.
A．all the cell phnes wrk n the same perating system
B．Micrsft perating system fr cell phnes is created
C．users can see each ther n the phnes
D．Bluetth is widely used
3．What can we infer abut Bluetth accrding t the scientists?
A．It can increase the chances f cell phne viruses greatly.
B．It can help us t stp the spreading f cell phne viruses.
C．It wn't pssibly cause the utbreak f cell phne viruses.
D．It can make users have clse physical relatin with ne anther.
B
A hme cmputer nt nly helps children master the ld ways f learning，but als pens up pssibilities that simply aren't available in traditinal educatin. Sme sftware, fr example, allws kids t make decisins and see the results in different situatins. The Wrld Wide Web encurages yung minds t mve easily frm link t link, tpic t tpic. The best sftware draws children int learning by making them curius — what if I click n this picture, drag this ver here，visit that website?
Knwing hw t use a cmputer als encurages a child's cnfidence. Kids figure ut quickly that cmputers are pwerful，and mastering the machine makes them feel grwn up. In turn, feeling cnfident n a cmputer ften translates t academic (学术的) cnfidence. Researchers have fund that attitudes tward writing, fr example, imprve when students write n a cmputer.
Perhaps mst imprtantly, cmputers can enrich family life. Frget the idea that cmputer kids are separated. Children like t use the cmputer with adults and ther kids, asking questins and cmparing results. “The Internet is a unique pprtunity t bring resurces hme，” ntes Susan Haugland, PhD, Cape Girardeau, M. , authr f Cmputers and Yung Children：A Wrld f Discvery.
Althugh the benefits f cmputers are real，they have disadvantages, t. Kids can lse their way, wasting hurs n mindless sftware r vilent games. Just as parents have always helped children make gd chices abut everything frm friends t fd ，bks t TV，nw we must make sure they get the best ut f cmputers.
4．The passage is mainly talking abut ________.
A．the disadvantages f children's using cmputers
B．the advantages f children's using cmputers
C．the develpment f cmputers
D．the fact that using cmputers makes children lse their way
5．Which f the fllwing is NOT an advantage f a hme cmputer?
A．It prvides new ways f learning.
B．It encurages children's cnfidence.
C．It can enrich family life.
D．Kids can play vilent games n it.
6．What effects d cmputers have n family life?
A．They reduce the cnnectin between family members.
B．They destry the relatinship between parents and kids.
C．They prvide mre pprtunities f cmmunicatin.
D．They make all the family members study tgether.
7．Accrding t the last paragraph，we can learn that we shuld ________.
A．let children use cmputers freely
B．frbid children t use cmputers in their spare time
C．permit children t use any sftware they like
D．help children make gd use f the cmputers
Ⅱ.七选五
Hw t Avid an Internet Addictin
While it may seem like everyne surfs the web these days，there is a fine line between casually checking yur scial media pages and having a full­blwn Internet addictin. If yu fear that yu may lse interest in ther aspects f yur life because yu prefer t be n the Internet, yu may be n yur way t an Internet addictin. __1__
Admit yu are at risk f an addictin.
Mre and mre peple in the wrld are becming addicted t the Internet. Yu are nt the nly ne with this prblem，and it is becming mre and mre cmmn and mre and mre well­knwn. __2__
Set aside limited time fr cmputer use.
Make sure nt t turn it n t many times a week. If yu have a laptp，make sure t put it smewhere that yu can remember but nt smewhere that yu see every day. Try keeping the lid clsed when yu are nt using it. __3__ If yu have a desktp PC，try nt t g near it r put smething ver it like a sheet.
Call peple instead f sending instant messages r texts.
If yu are free n weekends，call friends and ask them t g utside. This will distract yu frm the cmputer. __4__
Use an alarm clck r timer.
Befre using yur cmputer，decide n a time limit such as 30 minutes. Set the clck r timer and make sure that yu get ff the cmputer when the time is up. Alternatively create a shutdwn timer n yur desktp.__5__
A．Make a small list f what yu want t d within that time.
B．When the cmputer is nt lking at yu，yu are less likely t use it.
C．This can be prgrammed t shut dwn yur cmputer after the set time.
D．Luckily，there are sme ways t avid living yur life in frnt f the cmputer.
E．This will stp yu frm using the Internet s ften r ging n t anther page.
F．If yu have a prblem n weekdays，phne yur friends r ask fr help in persn.
G．D nt be embarrassed; find thers with the same prblem and help each ther beat it.
Ⅲ.语法填空
Buying bks n the Internet is 1.________ great way t save time and mney. Online bkstres ffer nt nly new bks but als used bks. What's mre, they are far better 2.________ (cmpare) t traditinal bkstres as they ffer much brader kinds f bks. Anther advantage f shpping nline is that yu can als read the bk reviews as well as readers' reviews t get an idea 3.________ the bk is wrth buying. Online bkstres ften ffer great discunts 4.________ (attract) bk lvers with a tight budget (开支)．
Fr bk lvers, 5.________ is imprtant t get bks in time, in which case they need t find a 6.________ (rely) nline bkstre that is able t prvide fast deliveries.
Here is sme 7.________ (advise) fr reference when yu are selecting an nline bkstre. Sme nline bkstres are famus 8.________ fictin bks; sme are fr nn－fictin bks r nvels, etc. Understanding their specialisatin will help yu t get the right kinds f bks in time. Never chse stres that ffer 9.________ (unbelievable) cheap prices, as bks that 10.________ (sell) at such lw prices culd be in very bad cnditin.
话题三 网络
Ⅰ.阅读理解
A
【语篇解读】 本文是一篇说明文。互联网时代改变了人们的生活，可是人们在上网的时候最为害怕的就是自己的设备染上病毒。这些病毒寄宿于应用软件上，随着人们手机操作系统趋同，手机受到病毒的危害的可能性更大。
1．答案与解析：B 主旨大意题。根据全文来看，作者主要是围绕着手机病毒的威胁来提出设问、利用科学家试验证明。故选B项。
2．答案与解析：A 细节理解题。根据文章倒数第二句“The gd news is that t be effective, these viruses need their victims t all use the same perating system, which nt enugh f us d.(好消息是，这些病毒的生效需要受害者们使用相同的操作系统，这正是我们没有做到的事情。)”可知选A项。
3．答案与解析：C 细节理解题。根据最后一段第二句“And they cncluded that viruses that spread frm phne t phne by Bluetth are nt much cncerned...(他们得出结论，通过蓝牙从一部手机传到另一部手机的病毒没什么大不了的……)”可知选C项。
B
【语篇解读】 文章主要介绍了孩子使用家庭电脑的好处。
4．答案与解析：B 主旨大意题。本文主要是讲孩子使用电脑的好处、优点，最后一段顺便提了一下可能带来的危害，但主要还是讲使用电脑的好处。
5．答案与解析：D 细节理解题。从第一段中A hme cmputer nt nly helps children master the ld ways f learning，but als pens up pssibilities that simply aren't available in traditinal educatin.可知A项正确；从第二段首句Knwing hw t use a cmputer als encurages a child's cnfidence.可知B项正确；从第三段首句Perhaps mst imprtantly, cmputers can enrich family life.可知C项是正确的；D项是坏处。
6．答案与解析：C 推理判断题。从第三段可知电脑丰富了家庭生活，使人们多了交流和了解的机会。
7．答案与解析：D 主旨大意题。最后一段主要是讲电脑对小孩的不利影响，劝导父母要正确引导小孩使用电脑。
Ⅱ.七选五
【语篇解读】 网瘾会给人们的生活带来很大的影响，本文就如何避免网瘾提出了建议。
1．答案与解析：D 上文谈到网瘾会导致你对生活的其他方面失去兴趣，下文的几条建议则是有关如何避免网瘾的，D项起着承上启下的作用。
2．答案与解析：G 本段的主旨是“Admit yu are at risk f an addictin”，再结合本段讲述的“越来越多的人有网瘾，这是一个普遍现象”可知，G项“不要觉得不好意思，找到和你一样有网瘾的人，互相帮助去战胜网瘾”符合题意。
3．答案与解析：B 根据空前的“Try keeping the lid clsed when yu are nt using it.”可知，作者建议你不用电脑时，把它合上，故选B项“看不到电脑时，你用它的可能性就小”。
4．答案与解析：F 本段的主题是“Call peple instead f sending instant messages r texts.”，上文的“call friends and ask them t g utside”与F项中的“phne yur friends r ask fr help in persn”呼应，还有上文的“n weekends”与F项中的“n weekdays”前后呼应。
5．答案与解析：C 本段的主题是“Use an alarm clck r timer”，作者建议使用闹钟或定时器来限制上网的时间，空前的“shutdwn timer”与C项中的“shut dwn yur cmputer after the set time”相对应。
Ⅲ.语法填空
【语篇解读】 文章主要介绍了在网上买书的优点，并且给出了一些网购图书时的注意事项，让读者能够又快又省地在网上买到想要的书。
1．答案与解析：a 考查冠词。句意为：在网上买书是节省时间和金钱的一个好方法。way是可数名词，此处是泛指，所以应用不定冠词。故填a。
2．答案与解析：cmpared 考查非谓语动词。句意为：而且，和传统书店相比它们要好得多，因为它们提供更多种类的图书。cmpared t意为“和……相比”，故填cmpared。
3．答案与解析：whether 考查名词性从句连接词。句意为：……知道这本书是否值得买。设空处引导同位语从句，根据句意可知此处应用连接词whether，whether意为“是否”，在从句中不作成分。注意此处不能用if，因为if通常不用来引导同位语从句。故填whether。
4．答案与解析：t attract 考查非谓语动词。设空处应用非谓语动词作目的状语，所以应用动词不定式形式。故填t attract。
5．答案与解析：it 考查固定句型。句意为：对于书籍爱好者来说，及时拿到书是很重要的，在这种情况下，他们需要找到一个可靠的网上书店，能够提供快速配送。此处用it作形式主语，动词不定式短语t get bks in time是真正的主语，故填it。
6．答案与解析：reliable 考查形容词。修饰名词bkstre应用形容词。故填reliable，意为“可靠的”。
7．答案与解析：advice 考查词性转换。句意为：这里有一些建议供你选择网上书店时参考。此处应用名词作主语。advice为不可数名词，故填advice。
8．答案与解析：fr 考查介词的固定搭配。句意为：一些网上书店因为小说出名……be famus fr意为“因为……而出名”，故答案为fr。
9．答案与解析：unbelievably 考查副词。此处修饰形容词cheap，应用副词。故填unbelievably。
10．答案与解析：are sld 考查动词时态和语态。设空处是定语从句中的谓语动词，sell与从句主语that之间是被动关系，且结合全文时态可知应用一般现在时，故填are sld。