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【判断题】
按统一规则绘制出的力线可以确定矢量场中各点矢量的方向,还可以根据力线的疏密判别出各矢量的大小及变化趋势
A.
正确
B.
错误
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举一反三
【单选题】Which of the following would you classify as capital market instruments?______.
A.
Fixed-rate securities convertible into shares in a bank
B.
Bank loans
C.
Bank deposits
D.
None of the above
【单选题】Which of the following is a periodic sentence?
A.
He was sitting in front of the fire in a large armchair when we entered the room.
B.
The girls would not allow him to work; he was theirs for the whole day.
C.
He hurried to the school in case he might be late.
D.
On March 4th, at a quarter to three in the afternoon, the greatest living thinker ceased to think.
【单选题】以下风机中由于噪声较高而需设置消声装置的是 __
A.
前弯叶片离心风机
B.
径向叶片离心风机
C.
后弯叶片离心风
D.
轴流风机
【单选题】Which of the following sentence is periodic sentence? ( )
A.
When I was shopping in the town yesterday,I saw Mike!
B.
I saw Mike when I was shopping in the town yesterday!
【单选题】This passage offers a general report about the results of a world-wide courtesy survey conducted by Reader5 Digest researchers in 2006.
A.
Y
B.
N
C.
NG
【单选题】以下风机中由于噪声较高而需设置消声装置的是()。
A.
前弯叶片离心风机
B.
径向叶片离心风机
C.
后弯叶片离心风机
D.
轴流风机
【单选题】Whom would you rather have _______with you, him or me?
A.
to be gone
B.
gone
C.
going
D.
go
【单选题】The main idea of a periodic sentence is __________.
A.
at the beginning of the sentence
B.
in the middle of the sentence
C.
at the end of the sentence
D.
none of the above
【单选题】If you don't mind, I ______do my homework than play cards with you.
A.
had better
B.
would rather
C.
prefer
D.
would like
【单选题】以下各项中哪项不是影响需求弹性的因素?
A.
商品的可替代程度
B.
对商品的需要强度
C.
商品支出在收入中所占的比重
D.
商品的使用时间
E.
商品的生产成本
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