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【单选题】
对机构的运动不起独立限制作用的运动副称为( )。A.
复合铰链
B.
局部自由度
C.
虚约束
D.
单一铰链
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举一反三
【单选题】Would you mind ______ the computer game in your room?
A.
him playing
B.
his playing
C.
him to play
D.
him play
【单选题】---Would you mind my using your dictionary? ---________
A.
Yes, of course not.
B.
Certainly, go ahead, please.
C.
Of course not, go ahead.
D.
No, please don’t use it.
【单选题】(Mind you), under no circumstances (you are) to allow your (child) to change (broken) bulbs by himself.
A.
Mind you
B.
you are
C.
child
D.
broken
【简答题】如图所示,已知u s =100V,R 1 =2kΩ,R 2 =8kΩ,当R 3 =∞时,电压u 2 为( )
【单选题】关于random.uniform(a,b)的作用描述，以下选项中正确的是
A.
生成一个 (a, b) 之间的随机数
B.
生成一个 [a, b] 之间的随机整数
C.
生成一个均值为 a ，方差为 b 的正态分布
D.
生成一个 [a, b] 之间的随机小数
【单选题】---------Would you mind _________me carry the heavy box? ---------____________.
A.
helping; It is my pleasure
B.
helping; Yes, please
C.
to help; With pleasure
D.
helping; With pleasure
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