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【单选题】
关于溶液,下列说法正确的是 ( )
A.
一种溶剂中只能溶解一种溶质
B.
将 20% 的食盐水,分成 4 等份,每个等份溶液浓度是 5%
C.
食盐溶液与蔗糖溶液混合后仍为溶液
D.
同一种溶液中各部分的性质和浓度不一定相同
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【单选题】—What did he think about? —He thought about _____ to the US for vacation. [     ]
A.
go
B.
goes
C.
going
D.
went
【单选题】对于理想气体,下列 过程的比容(比体积)是减少的。
A.
绝热压缩
B.
绝热膨胀
C.
定压加热
D.
定温加热
【单选题】--Which tie do you think I should wear to the party? --I like the one with little stars___ the others.
A.
more than
B.
more like
C.
better to
D.
same as
【单选题】What can we infer about the many
A.
He thought the wall was dark and dirty.
B.
He thought the rent was fancy.
C.
He could make the decision immediately.
D.
He would not visit the woman again.
【单选题】对理想气体,下列 过程的比容是减少的
A.
绝热压缩
B.
绝热膨胀
C.
定压加热
D.
定温加热
【单选题】理想气体在温度降低过程中,下列_____一定是减少的。
A.
内能
B.
C.
压力
D.
比容
【判断题】端柱按照框架柱来进行计算
A.
正确
B.
错误
【单选题】He thought about all the ( ) he wanted to connect with and all the experiences he wanted to have.
A.
people
B.
relatives
【单选题】Why did George feel pleased about the decision?
A.
He thought he deserved the punishment.
B.
Jim did what he had promised.
C.
He would be set free immediately.
D.
The punishment was less severe than he expected.
【简答题】I think( )(wear) tie looks really cool.
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