21春学期《大学英语(四)》在线平时作业1 红字部分为答案！
一、单选题
1.19. ______ a bad habit is formed, it will not be easy to get rid of it. A.Since B.Because C.While D.Once
2.23. ______ at the airport, Mrs. Robertson felt a great burden taken off her shoulders. A.Seen her two sisters-in-law off
B.Having seen her two sisters-in law off C.With her two sisters-in-law seen off D.By seeing her two sisters-in-law off
3.72. The worker's demands are ______; they're asking for only a small increase in their wages.
A.excessive B.raw C.super D.moderate
4.16. Frank gambled his money away ______ Jane spent hers all on dresses. A.for B.so C.while D.so that
5.65. On arriving at Singapore, we telephoned to ______ our mother’s uneasiness. A.cut
B.relieve C.subtract D.decrease
6.80. I doubt whether he can _______ his efforts much longer as he looks very tired. A.hold up B.hold on C.keep on D.keep up
7.40. I have not found my book yet; in fact, I am not sure ______ I could have done with it.
A.whether B.where C.when D.what
8.68. He only ______ the letter I handed to him but signed it anyway.
A.studies B.scanned C.saw D.stared
9.62. Not a ______ has been found so far that can help the police find the criminal. A.crew B.clue C.crumb D.sign
10.38. Abraham Lincoln was raised to farm work, ______ he continued until he was twenty-two. A.since B.what C.which D.that
11.49. The teacher wrote his ______ in the margin of the composition. A.statements B.comments C.accounts D.definition
12.24. Even if you disagree with her, she is wroth ______. A.listening B.listen to C.to listen to D.listening to
13.117. This article __________ more attention to the problem of cultural interference in foreign language teaching and learning. A.calls for B.applies for C.cares for D.allows for
14.59. The information we have got ______ that the area has a hot climate all the year round. A.directs B.indicates C.claims D.contains
15.111. The older New England villages have changed relatively little __________ a gas station or two in recent decades. A.except B.besides
C.in addition to D.except for
16.116. All the tasks _____ ahead of time, they decided to go on holiday for a week. A.had been fulfilled B.were fulfilled
C.having been fulfilled D.been fulfilled
17.14. The basic fire insurance policy covers losses ______ damage or destruction by fire or lightning.
A.resulting directly from B.resulted directly in C.resulting directly in D.resulted directly from
18.17. We have not seen our next-door neighbors for weeks. They ______ somewhere for holiday. A.should have gone B.need have gone
C.ought to have gone D.must have gone
19.61. A strike began late in September in protest against a ______ of wages. A.limit B.raise C.increase D.reduction
20.36. He had not remembered my name ______ after he greeted me. A) when B) until C) as D) while A.when B.until C.as D.while
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