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【单选题】
The police had difficulty in ____ the fans from rushing on to the stage to take photos with the singer.
A.
limiting
B.
restraining
C.
confining
D.
restricting
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举一反三
【单选题】φ 50H8的孔与 φ 49f7轴两者 ( ) 。
A.
可以形成基孔制间隙配合。
B.
可以形成基孔制过渡配 合。
C.
可以形成基孔制过盈配合。
D.
不属于配合。
【简答题】Who answers Li Ming's call?
【单选题】Who is the tallest?
A.
Li Ming.
B.
Tom.
C.
Jim.
【单选题】变压器运行时,其绕组和铁芯产生的损耗转变成( ),一部分被变压器各部件吸收使之温度升高,另一部分则散发到周围介质中。(1分)加油!必过!
A.
热量
B.
有功
C.
无功
【单选题】The business suit generally includes_______.
A.
business suit, short-sleeved and collard shirt, dress pants and tie and leather shoes
B.
business suit, long-sleeved and collard shirt, dress pants and tie and leather shoes
C.
smart suit, long-sleeved and collard shirt, dress pants and tie and leather shoes
D.
casual suit, long-sleeved and collard shirt, dress pants and tie and leather shoes
【单选题】课文句子:Marshall burned her business suit and went on courses to learn more. 问题:Did Marshall really burn her business suit?
A.
Yes, she did.
B.
No, burning one's business suit means quitting one's job.
【单选题】Marshall burned her business suit and went on courses to learn more. What is the meaning of “burning one’s business suit”?
A.
burn the suit with fire
B.
become very angry
C.
quit one’s job
D.
the business of suit becomes prosperous
【单选题】"Marshall burned her business suit and went on courses to learn more." What does the phrase "burned her business suit" mean?
A.
her business suit was on fire
B.
her business suit was a fashion
C.
she resigned from her job
D.
she loved her job
【单选题】Who's this? [     ]
A.
This is Li Ming's father.
B.
He's a worker.
【多选题】如果一个Ⅱ型系统是稳定的,且动态快速性裕量较大,稳态精度较差时,可以通过增加对数幅频特性低频段( )以减小稳态误差。
A.
斜率
B.
高度
C.
增益
D.
截止频率
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