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【单选题】
两瓶不同种类的气体,分子平均动能相等,但气体密度不同,则A.
温度和压强都相同
B.
温度相同，压强不等；
C.
温度和压强都不同
D.
温度相同，内能也一定相等
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A.
if
B.
as
C.
when
D.
that
【单选题】听力原文：M: Shall we go to the park this Friday? W: No. Maybe we can do something else. Q: Where are they going this Friday? (23)
A.
The park.
B.
A shop.
C.
We don't know.
【简答题】There are many different signs in the public. They tell you what to do or what not to do in a place. Do you know what they exact mean? For example, if you go to see a film, you should enter the cinema...
【单选题】(Many a) man has made (a fortune) and then (have) no idea what to do (with) it.
A.
Many a
B.
a fortune
C.
have
D.
with
【单选题】In recent years, many children are made _______what they are not ________. [ ]
A.
to do; interested in
B.
to do; interested
C.
do; interested
D.
do; interested in
【简答题】What kind of questions do many characters ask in the story?
【单选题】What can we learn from the passage?
A.
We should do something to protect the environment.
B.
We should keep silent.
C.
We just do nothing.
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A.
am
B.
was
C.
were
D.
will be
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