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【判断题】
组中值可以近似地表示各组变量的平均水平
A.
正确
B.
错误
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【判断题】万向节中常见的滚针轴承轴向定位方式,主要有盖板固定式、挡圈固定式、瓦盖固定式和塑料环固定式等。
A.
正确
B.
错误
【单选题】下列哪一项不属于我国的工时制?
A.
标准工时制
B.
特别工时制
C.
不定时工时制
D.
综合计算工时制
【单选题】One important middle—class value is that__________.
A.
people should always have fun
B.
children should believe in themselves
C.
debt is nothing to worry about
D.
they should earn enough to finance theirlifestyles
【判断题】一般情况下,两轴半控制的数控铣床可以用来加工空间曲面。
A.
正确
B.
错误
【单选题】Evidence _________indicates that you attend to one idea at a time.
A.
of date
B.
to date
C.
of the date
D.
to the date
【单选题】For a child to give up less mature idea for a more sophisticate one, it requires that the child_____________ psychologically ready for the new idea.
A.
is
B.
be
C.
were
D.
would be
【单选题】n 位触发器构成的扭环形计数器,其无关状态数有( )。
A.
2n-n
B.
2n-2n
C.
2n
D.
2n-1
【简答题】In an extended family, all the people share one household. Apart from parents and children,there may be other family members:grandparents, aunts, uncles, cousins, etc.'That is to say,a large family ma...
【单选题】n位触发器构成的扭环形计数器,其无关状态数有 。
A.
2 n — n
B.
2 n — 2n
C.
2n
D.
2 n — 1
【单选题】The main idea of this passage is______.
A.
one's color preference shows one's character
B.
you can brighten your life with wonderful colors
C.
psychologists have been studying the meaning of color preference
D.
one's color preference has something to do with his character and colors have effects on human beings
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