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17秋北航《继电保护》在线作业一

时间:2017-10-14 14:08来源:未知 作者:admin 点击:
北航《继电保护》在线作业一 试卷总分:100 测试时间:-- 单选题 多选题 判断题 、单选题(共 10 道试题,共 30 分。) 1. 装设分段电抗器的作用是() A. 限制母线回路中的短路电流 B. 吸收多余的无功功率 C. 改善母线的电压质量 D. 改进用户的功率因数 满分

11春学期《大学英语(4)》作业2
单选题
1.Shirley _____a book about China last year but I don"t know whether she has finished it.
A. haswritten
B. wrote
C. hadwritten
D. waswriting       vu80奥鹏网:www.vu80.com
答案:D
2.---- "Where is your college located, John?"  ---- "It is ________."
A. ontheFifthAvenue
B. onFifthAvenue
C. inFifthAvenue
D. atFifthAvenue
答案:B
3.A man escaped from the prison last night. It was a long time ____________ the guards discovered what had happed.
A. before
B. until
C. since
D. when
答案:A
4.I don"t think he could have done such a stupid thing last night, _______ ?
A. doI
B. couldhe
C. hashe
D. didhe
答案:
5.Many difficulties have __________ as a result of the change over to a new type of fuel.
A. risenB. arisen
C. raised
D. arrived
答案:
6.It is one __________best sellers in our country now.
A. ofthem
B. ofthose
C. ofthis
D. oftheir
答案:
7.The research is so designed that once ___ nothing can be done to change it.
A. begins
B. havingbegun
C. beginning
D. begun
答案:
8.It is said in Australia there is more land than the government knows ___.
A. itwhattodowith
B. whattodoitwith
C. whattodowithit
D. todowhatwithit
答案:
9.A computer can only do ___ you have instructed it to do.
A. how
B. after
C. what
D. when
答案:
10.Have a cup of tea, _______?
A. shallwe
B. willyou
C. won"tyou
D. doyou
答案:
11.Why do you want a new job_____ you"ve got such a good one already?
A. that
B. where
C. which
D. when
答案:
12.The weather turned out to be very good, ___ was more than we could expect.
A. what
B. which
C. that
D. it
答案:
13.The warmth of ___ sweater will of course be determined by the sort of ___ wool used.
A. the
B. the
C. the
D. /
E. /
F. the
G. /
H. /
答案:
14.The queen will visit the town in May , ________ she will open the new hospital.
A. when
B. then
C. while
D. but
答案:
15.The professor kept speaking about his new discovery in the field, only ________ occasionally to have a mouthful of tea.
A. droppingoff
B. breakingoff
C. puttingoff
D. settingoff
答案:
判断题
1.Each family need to work out its own way.
A. 错误
B. 正确
答案:
2.It is a false love that cements one person to another in so a way that he or she is not given room to grow.
A. 错误
B. 正确
答案:
3.She was about to leave when Mark arrived so she stayed little longer.
A. 错误
B. 正确
答案:
4.Were it left to her to decide if to have a family without children or a family without love, she should prefer the former.
A. 错误
B. 正确
答案:
5.Marriage in conjunction with the obligations of parents to children provides the glue needed to kept a couple together.
A. 错误
B. 正确
答案:
6.He believes we can solve what we can think up.
A. 错误
B. 正确
答案:
7.The confrontation with the depth and scope of ignorance.
A. 错误
B. 正确
答案:
8.Loving a person means knowing the many sides of him — not just the beautiful side but also the limitations, inconsistencies and faults.
A. 错误
B. 正确
答案:
9.A man does play a part in the family.
A. 错误
B. 正确
答案:
10.It means "mades afraid".
A. 错误
B. 正确
 

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