12.The Internet is an ocean of knowledge.It can be helpful to people all over the world.This is,in fact,why it has been (21)Cfor so long.But there are some parts of the Internet that make it disadvantageous for certain(22)Agroups.
As a huge database (資料庫) of(23)D,the Internet can be used to draw facts about anything.And it keeps you up-to-date with all the events that are  (24)B throughout the world in the form of news,(25)C and videos.Newspapers are certainly a(n)(26)A part of this process,but the Internet gets updated with the(27)Dnews much faster than newspapers get (28)B.So the news that you get is much (29)A.The Internet is also a great way to(30)C with your friends and family members who live far away.(31)Cfamily and friends,the Internet also forms a perfect medium (媒介) for business meetings that are held across countries,which has become very (32)B these days.
However,there are also a few (33)D in using the Internet.The first one is the exposure(暴露) to some unhealthy contents.This is a major problem that (34)Aparents of all teenagers.The Internet is also a readily available source of video games,(35)Bviolent games.Children who are at the age of experimenting may (36)Dgetting addicted to some of the games.And the Internet is a source of computer viruses(病毒) which can be a (36)C to your computer,and (38)A your system in the end.(39)B,it is important to have an antivirus program on your computer.These are some of the things worrying people about the (40)D of the Internet.So you may think twice before making your own choice.
21.A.a(chǎn)musingB.confusingC.popularD.difficult
22.A.a(chǎn)geB.sexC.familyD.income
23.A.opinionsB.LanguageC.instructionsD.information
24.A.running outB.taking placeC.breaking outD.coming true
25.A.booksB.lettersC.picturesD.diaries
26.A.importantB.differentC.missingD.unusual
27.A.localB.greatC.biggestD.latest
28.A.lostB.printedC.signedD.collected
29.A.fresherB.LongerC.funnierD.better
30.A.get along wellB.come upC.keep in touchD.put up
31.A.As forB.Along withC.Apart fromD.Instead of
32.A.puzzlingB.CommonC.similarD.disappointing
33.A.a(chǎn)dventuresB.ChallengesC.improvementsD.disadvantages
34.A.concernsB.InterestsC.changesD.encourages
35.A.probablyB.EspeciallyC.finallyD.suddenly
36.A.stopB.RememberC.worry aboutD.end up
37.A.lieB.SolutionC.dangerD.surprise
38.A.damageB.developC.perfectD.support
39.A.AnyhowB.ThereforeC.HoweverD.Moreover
40.A.futureB.valueC.historyD.use.

分析 文章講述了網(wǎng)絡(luò)的利弊,包括:信息量大、信息更新快等優(yōu)點及傳播病毒,不良信息等缺點.

解答 21-25 CADBC   26-30 ADBAC 31-35 CBDAB  36-40 DCABD
21.C考察形容詞辨析.A.a(chǎn)musing神奇的;B.confusing困惑的;C.popular流行的;D.difficult困難的;根據(jù)文意網(wǎng)絡(luò)是知識的海洋,這就是它如此流行的原因,所以答案是C.
22.A考察名詞辨析.A.a(chǎn)ge年齡;B.sex 性別; C.family家庭; D.income收入;根據(jù)文意網(wǎng)絡(luò)對于固定的年齡群體也有一定的弊端,所以答案是A.
23.D考察名詞辨析.A.opinions意見;B.language語言; C.instructions說明;D.information信息;根據(jù)文意作為一個巨大的信息庫,在網(wǎng)絡(luò)上可以搜索到任何信息,所以答案是D.
24.B考察動詞詞組辨析.A.running out耗完;B.taking place發(fā)生;C.breaking out 破門而入;D.coming true實現(xiàn);根據(jù)文意你可以隨時更新了解到世界上發(fā)生的事情,所以答案是B.
25.C考察名詞辨析.A.books書籍;B.letters信件; C.pictures圖片; D.diaries日記;根據(jù)文意了解到世界上發(fā)生的事情可以新聞、圖片和廣播的形式,所以答案是C.
26.A考察形容詞辨析.A.important重要的;B.different不同的;C.missing錯失的;D.unusual不同尋常的;根據(jù)文意報刊當(dāng)然是重要的一部分所以答案是A.
27.D考察形容詞辨析. A.local當(dāng)?shù)氐;B.great巨大的;C.biggest 最大的;D.latest最新的;根據(jù)文意網(wǎng)絡(luò)更新最新消息的速度比報紙要快的多,所以答案是D.
28.B考察動詞辨析. A.lost丟失;B.printed 印刷;C.signed 簽名;D.collected收集;get printed為固定搭配,意為"印刷".
29.A考察形容詞比較級辨析.A.fresher更新鮮的;B.longer 更長的;C.funnier更又有趣的D.better更好地;根據(jù)文意你得到的信息是最新的,所以答案是A.
30.C考察詞組辨析.A.get along well與…相處的好; B.come up提出; C.keep in touch保持;D.put up粘貼;根據(jù)文意網(wǎng)絡(luò)是你與遠(yuǎn)方的親朋好友保持聯(lián)系的一種方式,所以答案是C.
31.C考察詞組辨析.A.As for至于; B.Along with和…;C.Apart from 出了;D.Instead of代替;根據(jù)文意除了可以和親朋好友保持聯(lián)系外,網(wǎng)絡(luò)也是開商業(yè)會議的一種媒介,所以答案是C.
32.B考察形容詞辨析.A.puzzling困惑的;B.common平常的;C.similar 相似的;D.disappointing失望的;根據(jù)文意利用網(wǎng)絡(luò)開商業(yè)會議在現(xiàn)在已經(jīng)變得非常普遍了,所以答案是B.
33.D考察名詞辨析.A.a(chǎn)dventures事業(yè); B.challenges挑戰(zhàn); C.improvements提高;D.disadvantages缺點;根據(jù)文意在使用網(wǎng)絡(luò)時也有一些弊端,所以答案是D.
34.A考察名詞辨析.A.concerns 涉及到;B.interests利益; C.changes變化;D.encourages勇氣;根據(jù)文意涉及到青少年這是一個很主要的問題,所以答案是A.
35.B考察副詞辨析.A.probably大概;B.especially尤其; C.finally最終; D.suddenly突然;根據(jù)文意網(wǎng)絡(luò)上也有游戲資源,尤其是暴力游戲,所以答案是B.
36.D考察動詞及詞組辨析.A.stop停止;B.remember記著;C.worry about擔(dān)心; D.end up終結(jié);根據(jù)文意青少年或許很容易沉溺于網(wǎng)絡(luò)游戲,所以答案是D.
37.C考察名詞辨析. A.lie謊話; B.solution解決方案; C.danger 危險; D.surprise驚喜;根據(jù)文意網(wǎng)絡(luò)上的病毒對你的電腦來說是一種危害,所以答案是C.
38.A考察動詞辨析.A.damage損壞;B.develop發(fā)展;C.perfect完美;D.support支持;根據(jù)文意病毒會損壞你的系統(tǒng),所以答案是A.
39.B考察連詞辨析. A.Anyhow不論怎樣; B.Therefore因此;C.However 然而; D.Moreover更進(jìn)一步;根據(jù)文意因此,在你的電腦上安裝殺毒軟件是很重要的,所以答案是B.
40.D考察名詞辨析A.future將來; B.value 價值;C.history歷史;D.Use使用;根據(jù)文意這些就是人們對使用計算機(jī)的擔(dān)心,所以答案是D.

點評 完型填空,解題時要抓住文章的脈絡(luò),一定要讀懂全文,弄清文章要表達(dá)的思想,注意前后段落之間的關(guān)系.答題中,一定要認(rèn)真分析,注意選項與上下文的關(guān)系,與前后單詞的關(guān)系.對于一時沒有太大的把握的題可以放到最后再來完成,因為有時答案可以從下文內(nèi)容體現(xiàn)出來.答完后再通讀一篇文章,看看所選選項能不能是語句通順,語意連貫.

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