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【单选题】
He ___ to break the record for the long-distance race.A.
set out
B.
set off
C.
set up
D.
set down
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反馈参考答案：
举一反三
【单选题】Why must ice, snow, and frost be removed before flight is attempted? .
A.
small amounts of ice build-up can radically degrade the carefully optimized aerodynamic performance of wings and control surfaces.
B.
climb out performance can be seriously affected
C.
A and B
【单选题】An ice-laden airplane may even be______ flight.
A.
unable of
B.
disable to
C.
incapable to
D.
incapable of
【简答题】试评价王莽改制。
【简答题】[A] just [B] nearly [C] even [D] also
【单选题】The man insisted____a taxi for me even though I told him I lived nearly.
A.
find
B.
to find
C.
on finding
D.
in finding
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