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【单选题】
在一个大气压下,1克纯水在零度时占据的体积为1.055立方厘米,此时体系中冰与水的质量比例最接近于:
A.
8:2
B.
6:4
C.
4:6
D.
2:8
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参考答案:
举一反三
【判断题】时序逻辑电路中含有记忆功能的器件。( )
A.
正确
B.
错误
【判断题】时序逻辑电路中,可不含有记忆功能的器件。 ( )
A.
正确
B.
错误
【判断题】时序逻辑电路中不含有记忆功能的器件。
A.
正确
B.
错误
【判断题】时序逻辑电路中必含有记忆功能的器件
A.
正确
B.
错误
【单选题】The teacher is much kinder to Tom , _____, certainly, makes the others very angry.
A.
who
B.
which
C.
that
D.
what
【简答题】Li Ming 26 often late for school. The teacher is very angry with him. “ 27 are you often late for school?” asks the teacher. “Because I often get up 28 ,” answers Li Ming. “ 29 clock can wake (唤醒)you ...
【单选题】The teacher is very angry ___________ these students.
A.
with
B.
at
C.
of
D.
in
【单选题】The teacher is angry with you and me. She is shouting at ________.
A.
me
B.
us
C.
we
【单选题】义齿应浸泡在哪种液体内
A.
清洁的冷水中
B.
温开水中
C.
75 %乙醇中
D.
0.1 %醋酸溶液中
E.
以上均可
【单选题】Suppose Michael broke a window of the classroom. The teacher was unhappy. She criticized Michael and left the classroom. Then Peter came in. He noticed the teacher was unhappy, but he didn’t know what...
A.
Because Michael broke a window.
B.
Because a window was broken by Michael.
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