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下列说法错误的是()。

时间:2018-03-03 11:10来源:未知 作者:admin 点击:
6.下列说法错误的是()。 A. 步进电机的布距角越小,意味着精度位置越高 B. 步进电机可以制成多相的 C. 步进电机是利用脉冲信号旋转的 D. 步进电机中转子不能使用永久磁铁制作 正确答案:D满分:4分 7.步进电机转子上有40个齿,则相邻齿角距为()。 A. 4 B.

13春《大学英语》(一)作业3
试卷总分:100 测试时间:--
单选题

、单选题(共 25 道试题,共 100 分。)
1. _____ a fine day,we decided to go for an outing.
A. Being
B. It being
C. How
D. For
   满分:4 分
2. They have no idea at all____.
A. where he has gone
B. where did he go
C. which place has he gone
D. where has he gone
   满分:4 分
3. This is the dictionary _______I depend a lot whenever I have problems with new words.
A. with which
B. in which
C. on which
D. for which
   满分:4 分
4. She cooked the meat for a long time so as to make it ___ enough to ear.
A. mild
B. slight
C. light
D. tender
   满分:4 分
5. ____he will go to work in a mountain village surprises all of us.
A. What
B. That
C. Whether
D. If
   满分:4 分
6. He talks as if he ____ everything in the world.
A. knows
B. knew
C. had known
D. would have known
   满分:4 分
7. I must tell you how _______a letter from you.
A. pleased I was to receive
B. pleased I was to receiving
C. was I pleased to receive
D. pleased I was receiving
   满分:4 分
8. ____you don’t like him is none of my business.
A. What
B. That
C. Who
D. How
   满分:4 分
9. The doctor did a lot to reduce the patient’s fear ____he would die of the disease.
A. that
B. which
C. of which
D. of that
   满分:4 分
10. They arrived at a farmhouse, in front of ______sat a small boy.
A. whom
B. who
C. which
D. that
   满分:4 分
11. He was willing to go and work where ___.
A. needed
B. needs
C. needing
D. he needs
   满分:4 分
12. If you smoke in a non-smoking section people _____.
A. have objected
B. objected
C. must object
D. will object
   满分:4 分
13. ____ is accepted as true is relatively, and not absolutely, true.
A. It
B. That
C. What
D. That it
   满分:4 分
14. ____ their difference, the couple were developing an obvious and genuine affection for each other.
A. But for
B. For all
C. Above all
D. Except for
   满分:4 分
15. She had clearly no ___ of doing any work, although she was very well paid.
A. tendency
B. ambition
C. intention
D. willingness
   满分:4 分
16. The box is too heavy; ___ give me a hand.
A. would you mind
B. would you please
C. will you like to
D. will you please to
   满分:4 分
17. Her smile has a mysterious ___.
A. understanding
B. explanation
C. indication
D. implication
   满分:4 分
18. All ____ is a continuous supply of the basic necessities of life.
A. what is needed
B. for our needs
C. the thing needed
D. that is needed
   满分:4 分
19. ___is no possibility ____Bob can win the first prize in the match.
A. There that
B. It that
C. there whether
D. It whether
   满分:4 分
20. The old artist is in the habit(A) of going for a walk(B) in the park every morning (C)except it rains(D).(选择有错误的一项)
A. in the habit
B. going for a walk
C. every morning
D. except it rains
   满分:4 分
21. Information has been put forward ____ more middle school graduates will be admitted into universities.
A. while
B. that
C. when
D. as
   满分:4 分
22. _____ the railway station, we had a break, only ______ the train had left.
A. Arriving at...to find
B. Coming to...discovering that
C. On arriving at...finding out
D. Hurrying to...to have found out
   满分:4 分
23. It is very important for the strong man to know that ______ strong he is, he cannot be the strongest.
A. whatever
B. whenever
C. whichever
D. however
   满分:4 分
24. _____far away he is, I will go to see him.
A. No mater how
B. No sooner
C. Because
D. Even though
   满分:4 分
25. She has wanted to become a nurse ______ since she was a young girl.
A. long
B. often
C. always
D. ever
   满分:4 分

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