皮皮学,免费搜题
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【判断题】
教育技术发展经历了电化教育的兴起、初步发展、迅速发展、转型为教育技术这几个阶段。
A.
正确
B.
错误
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【多选题】某项经济业务的发生没有影响所有者权益,则可能导致( )
A.
负债内部一增一减
B.
资产内部一增一减
C.
资产和负债一增一减
D.
资产和负债同时增减
【单选题】We consider ______ he should have left without telling anyone beforehand.
A.
strange why
B.
it strange what
C.
it strange that
D.
that strange
【单选题】According to the passage, what should a successful organization have?
A.
Large capital investments.
B.
The capability to change.
C.
Many employees.
D.
A large production capacity.
【简答题】如图,在正方体ABCD-A 1 B 1 C 1 D 1 中,求证:平面A 1 BD ∥平面CB 1 D 1 .
【单选题】待验区的状态标识应设置为
A.
黄色
B.
红色
C.
蓝色
D.
绿色
【单选题】如图,在正方体ABCD-A 1 B 1 C 1 D 1 中,下列棱中与面CC 1 D 1 D垂直的棱是 [     ]
A.
A 1 B 1
B.
CC 1
C.
BC
D.
CD
【单选题】Ten minutes earlier, ______ we could not have been a aught in the heavy rain.
A.
if
B.
unless
C.
and
D.
so
【简答题】如图,在正方体ABCD-A 1 B 1 C 1 D 1 中,求证:平面A 1 BD∥平面CD 1 B 1 .
【单选题】— Do you have _____ at home now, Stella? — No, we still have to get several pounds of fruit and some tea.
A.
something
B.
anything
C.
everything
D.
nothing
【单选题】如图:已知正方体ABCD-A1B1C1D1中,E为棱CC1的中点.如果一只蜜蜂在正方体ABC-A1B1C1D1内部任意飞,则它飞入三棱锥A1-BDE内部的概率为( )
A.
B.
C.
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