分析 這是一篇說明文.這篇短文的作者告訴大家,要警惕互聯(lián)網(wǎng)上的危險廣告,很多公司使用spammer提供的服務在網(wǎng)上發(fā)布廣告.使網(wǎng)上交流變得困難,可見其含義是向網(wǎng)絡用戶發(fā)送的用戶不需要的商業(yè)廣告信息.說明了網(wǎng)上廣告的優(yōu)缺點.作者的意圖主要是提醒大家應該注意那些危險的信息.
解答 72.sell.考查動詞的用法以及語境理解.根據(jù)上文You may open your electronic mail and find information about how to buy medicine,cheap airline tickets,books and,of course,computers and computer products.可知你可以打開你的電子郵箱,發(fā)現(xiàn)許多如何買東西的消息,所以這里是說利用垃圾郵件賣東西已經(jīng)成了一個大問題;根據(jù)首字母s及語境,可知這里用sell,賣,動詞.故填sell.
73.communication.考查名詞的用法以及語境理解.根據(jù)But the use of electronic spam(垃圾郵件) to--products has become a major problem to many people as it makes computer--more difficult.
可知利用垃圾郵件買東西已經(jīng)成了一個大問題,人們討厭這些垃圾郵件,所以它 使得在電腦上交流變得更困難,因為人們都不相信了;根據(jù)首字母m,可知這里用communication,名詞,交流.故填communication.
74.use.考查動詞的用法以及語境理解.根據(jù)Many companies who want to send a lot of advertising may--the services of a"spammer".可知許多想發(fā)送大量廣告的公司可能會使用垃圾郵件發(fā)送者提供的服務.根據(jù)首字母u,可知這里填use,動詞,使用.故填use.
75.person.考查名詞的用法以及語境理解.根據(jù)A spammer is a--or company that uses computers to send out millions of copies of the same sales information.可知 spammer 就是一個發(fā)送數(shù)百萬相同購買信息的人或者公司,根據(jù)首字母p可以推斷這里應該用表示人的名詞person,名詞,人.故填person.
76.a(chǎn)ddresses. 考查名詞的用法以及語境理解.根據(jù)Spammers find e-mail--from websites,news groups and"chat rooms",可知垃圾郵件發(fā)送者要發(fā)送信息,就需要從網(wǎng)站等等地方找到郵件的發(fā)送地址,根據(jù)首字母a以及語境,可知用address,名詞,地址.故填address.
77.messages.考查名詞的用法以及語境理解.根據(jù)上文Spammers find e-mail--from websites,news groups and"chat rooms",可知垃圾郵件發(fā)送者從網(wǎng)站等等地方找到郵件的發(fā)送地址,來發(fā)送信息,根據(jù)首字母m及語境,這里用message,名詞,信息.故填message.
78.honest.考查形容詞的用法以及語境理解.根據(jù)下文offer good products for fair prices,可知以公平的價格提供好的產(chǎn)品的公司應該是很誠實的,所以這里用honest,形容詞,誠實的.故填honest.
79.lower.考查比較級的用法以及語境理解.根據(jù)These companies can offer their products for a l--price than you might find in a store.句子中出現(xiàn)了than,所以前面應該用比較級形式,而且我們知道網(wǎng)上的東西要比店里的東西更便宜,根據(jù)首字母l,可知用lower.故填lower.
80.However.考查連詞的用法以及語境理解.根據(jù)下文They are only interested in stealing your money.可知無論如何,有一些在網(wǎng)上只發(fā)布一些危險的信息,誘騙人上當,所以這里和前面所說的事情形成對比,用however來表示轉折關系.故填however.
81.provide.考查動詞的用法以及語境理解.根據(jù)offer things they will not p--.可知他們在網(wǎng)上不提供東西,根據(jù)首字母p以及語境,可知這里用provide,動詞,提供.故填provide.
點評 本文為語法填空題.做題時先通覽一遍全文,掌握大意;然后進行細讀,結合前后語境及關鍵詞并與首字母結合,準確判斷出所填空的詞性和意義,根據(jù)句子的需要,注意單詞的各種變化,比如要考慮到名詞的可數(shù)與不可數(shù),單復數(shù),時態(tài)和語態(tài)等等.總之只有考慮周全,才能把此類題目做好.
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