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【简答题】
混合气体中容积成分较大的组分,则其摩尔成分也较大。____
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举一反三
【单选题】— Could you look after my dog for me while we're away? — .
A.
Yes, please
B.
No, I'm not
C.
With pleasure
【单选题】-Could you look after my pet dog for me while I am away? - _______.
A.
No, thanks .
B.
It's my pleasure
C.
I'm sure you will
D.
With pleasure
【简答题】田间检验通常是在品种特征特性表现最明显的时期如( )、( )和( )进行。
【单选题】－Could you look after my daughter for me while I’m away? －___________.
A.
Yes, here you are
B.
You’re welcome
C.
Yes, please
D.
With pleasure
【单选题】—Could you look after my son for me while I’m away? —_______
A.
Pardon?
B.
You’re welcome.
C.
Yes, please.
D.
With pleasure.
【单选题】A: Good morning. Sir. What can I do for you? B: I’m ___my seat. Could you guide me to my seat?
A.
looking for
B.
due to
C.
switch on
D.
the reason of
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