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1、北京语言大学21秋英语语法在线作业一答案参考1. With a lot of difficult problems _, they decided to take a few days off.A.settlingB.to settleC.being settleD.settled参考答案：D2. Delivery must be effected within the time stated on the purchase order, otherwise the Buyer must atDelivery must be effected within the time stated on
2、 the purchase order, otherwise the Buyer must at its opinion cancel the order without cost to him, and charge the Seller for any loss incurred _ the latters failure to make such a delivery.Aas the result ofBas the resultCresult inDresult fromA3. It _ this way.A.A used to doB.used to be doneC.is used
3、 to doD.is used to doing参考答案：B4. In a tenyear ( ) from 1976 to 1985, the total world fish catch increased 29%.A、expanseB、expenseC、stanceD、span参考答案：D5. Online courses _ self-discipline.A.requireB.requires参考答案：A6. _ so many people in this country been out of work as today. A) More than ever before B)_
4、 so many people in this country been out of work as today.A) More than ever beforeB) Never before haveC) There were neverD) There never beforeB当否定词never放在句首时，主谓进行倒装。7. Mrs Lawrence has to wear glasses. She _ very well.A.not seeB.doesnt see参考答案：B8. For this part, you are allowed 20 minutes to write a
5、 composition of about 100 - 120 wordsFor this part, you are allowed 20 minutes to write a composition of about 100 - 120 words ac- cording to the following topic:我的信用观(My Opinion on Keeping Ones Word)正确答案：My Opinion on Keeping Ones Wordrn Keeping ones word is a rare quality that man can possess. Bec
6、ause the basic character of the world is changing. When things have changed is it possible that a person can still keep his word? The answer is Yes but it demands a lot on the part of the person.rn Do you have the experience that you promised to do something for others but when the moment really cam
7、e it turned out that if you did it you would have to sacrifice a lot yourself. For example parents may promise to go on a travel if their child could get a satisfactory mark in the examination. But when the child comes home with the satisfactory mark they are engaged in their work so that they cant
8、leave within weeks. How to make the decision? If the parents give up the travel the child will feel hurt; but if the parents keep their word the work will be interrupted which is forbidden by the boss. Anyway they have to suffer in a sense.rn In a word I think we should try to avoid promising anythi
9、ng if it is possible. And if you have promised try to keep it at all expenses.My Opinion on Keeping Ones Wordrn Keeping ones word is a rare quality that man can possess. Because the basic character of the world is changing. When things have changed, is it possible that a person can still keep his wo
10、rd? The answer is Yes ,but it demands a lot on the part of the person.rn Do you have the experience that you promised to do something for others, but when the moment really came, it turned out that if you did it, you would have to sacrifice a lot yourself. For example, parents may promise to go on a
11、 travel if their child could get a satisfactory mark in the examination. But when the child comes home with the satisfactory mark, they are engaged in their work so that they cant leave within weeks. How to make the decision? If the parents give up the travel, the child will feel hurt; but if the pa
12、rents keep their word, the work will be interrupted, which is forbidden by the boss. Anyway, they have to suffer in a sense.rn In a word, I think we should try to avoid promising anything if it is possible. And if you have promised, try to keep it at all expenses.9. _ is a good form of exercise for
13、both young and old AThe walk BWalking CTo walk DWalk_ is a good form of exercise for both young and oldAThe walkBWalkingCTo walk DWalkB动名词作主语表示习惯性，泛指经常性、不具体的动作。而不定式作主语则表示一次性、特指、未来具体的动作。由句意可知，主语表示泛指的、经常性的动作。10. At the international conference, the famous scientist gave an excellent report _ on his re
14、centAt the international conference, the famous scientist gave an excellent report _ on his recent experiment.A) basingB) basedC) to be basedD) to baseB此题含义为：在国际会议上，这位著名的科学家做了个基于他现在的实验的精彩报告。句中report与base之间是被动关系，用base的过去分词作定语。11. Very _ people were flying because of terrorist activities.A.fewB.little
15、参考答案：A12. Dear Jone, I am writing to apologize (1) my immediate going home after the exam (2) saying gooDear Jone,I am writing to apologize(1)my immediate going home after the exam(2)saying goodbye to youIt was very rude(3)me to do so especially as we have been such good friends.You know, shortly after the exam, I received a telephone call(4)my father, saying that my elder sister had borne a baby the day beforeI was so pleased(5)
