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【判断题】
在区域D解析,则 为D内的调和函数A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】______ has ridden on a railway train knows how _______ another train flashes by when it is traveling in the opposite direction． [ ]
A.
Who; rapidly
B.
No matter who; rapid
C.
Those who; fast
D.
Whoever; rapidly
【单选题】______ has ridden on a railway train knows how ______ another train flashes by when it is traveling in the opposite direction.
A.
Anyone who; rapid
B.
Whoever; rapidly
C.
Anything that; rapid
D.
Whatever; rapidly
【单选题】Could you tell me when _____? [ ]
A.
does the train leave
B.
will the train leave
C.
the train has left
D.
the train leaves
【单选题】听力原文：(A) The train has fallen off the track. (B) A train is being repaired near the station. (C) The train has stopped to let cars cross the track. (D) A train is pulling into the station.
A.
B.
C.
【单选题】Anyone who has ridden on a railroad train knows how rapidly another train【36】by when it is traveling in the【37】direction and conversely how it may look almost【38】when it is moving in the same directio...
A.
passes
B.
goes
C.
flashes
D.
moves
【单选题】The train ____ here for ten minutes already. [ ]
A.
has been
B.
has come
C.
has stopped
D.
has gone
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