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【判断题】
游戏中,幼儿与同伴之间容易发生冲突,引发一些安全问题,老师一定要密切关注幼儿,及时发现问题,并给予恰当的处理。( )
A.
正确
B.
错误
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举一反三
【单选题】The day________ he was looking forward________ in the end.
A.
when; to come
B.
which; to come
C.
when; to came
D.
which; to came
【单选题】When looking for a job, students should ______.
A.
provide their personal information as much as possible
B.
focus on their own abilities
C.
try their best to please the employers
D.
hold a clear purpose of timing a particular job
【判断题】共发射极电路即是射极输出器,具有很高的输入阻抗和很低的输出阻抗。
A.
正确
B.
错误
【单选题】拉伸试验报告标注为:GB/T 1042.2/1A/50,下列说法正确的是(  )。
A.
薄膜样条,拉伸速度是50mm/min
B.
注塑样条,拉伸速度是50mm/min
C.
注塑样条,试样标距是50mm
D.
注塑样条,试样夹具间距离是50mm
【判断题】射极输出器有很高的输入阻抗,有很低的输出阻抗。
A.
正确
B.
错误
【简答题】对于没有明显屈服阶段的塑性材料,工程上常用卸载后产生残余应变为 %对应的应力作为名义屈服极限。
【判断题】共发射极电路也就是射极输出器,它具有很高的输入阻抗和很低的输出阻抗。( )
A.
正确
B.
错误
【单选题】When he rang me, I _____ information about Sydney on the Internet. [     ]
A.
was looking for
B.
was looking at
C.
am looking after
D.
was looking over
【单选题】When the festival they have been looking forward to _______, people will dress up to celebrate it.
A.
coming
B.
comes
C.
come
D.
came
【简答题】关于民事法律行为的分类,以下说法错误的是( )。
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