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【简答题】
_________ the clouds, you would find the airplane in the sky easily . A. Had it not been for B. If it were not C. If it had not been for D. Were it not for
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反馈参考答案：
举一反三
【单选题】Let's listen to the radio programme that the teather mentioned, ?
A.
do we
B.
don't we
C.
shall we
D.
shan't we
【单选题】一辆重500kg的汽车，以30m/s行驶时熄火滑行。设滑行方程为【图片】，其中v表示车速，则车辆滑行多远才能把速度降至15m/s？
A.
2.9186m
B.
291.8696m
C.
29.5684m
D.
294.2367m
【单选题】Mary is _______ than a teather; she is a writer, too.
A.
more
B.
less
C.
most
D.
least
【单选题】The teather suggested that he_______the plan.
A.
would change
B.
changed
C.
change
D.
changes
【单选题】That the child disturbed the class ______ made the teather very angry.
A.
continuously
B.
continually
C.
considerably
D.
constantly
【单选题】以下有关循环的判断条件的哪个说法是正确的()
A.
只能是变量
B.
只能是常量
C.
只能是变量或者表达式
D.
无论是常量、变量还是表达式，只要最终能获得一个确定的值即可
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