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【单选题】
Experts warn that global warming will cause dramatic climate changes, including more ________ floods, heat waves and droughts. [ ]A.
usual
B.
frequent
C.
ordinary
D.
common
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举一反三
【单选题】Do you want business class or economy class?
A.
No thanks.
B.
You are welcome.
C.
Here you are.
D.
Economy class.
【单选题】Do you want business class or economy class?
A.
No, thanks.
B.
You’re welcome.
C.
Here you are.
D.
Economy class.
【单选题】Do you want business class or economy class?
A.
No thanks.
B.
ou are welcome.
C.
Here you are.
D.
Economy class.
【单选题】Do you want business calss or economy class?
A.
OK.
B.
Not at all.
C.
Economy class.
D.
Here you are.
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