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【单选题】
右心衰竭的主要体征是A.
心音低钝
B.
颈静脉怒张
C.
动脉压下降
D.
急性肺水肿
E.
心前区疼痛
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【简答题】把陈述句改成双重否定句 这个问题一定要讲清楚。
【单选题】Try your best to run fast, ________ you will fall behind others. [ ]
A.
and
B.
but
C.
so
D.
or
【单选题】. As Christmas draws near, they feel more and more uneasy with their stored money ____.
A.
to be run out
B.
to run out of
C.
being run out
D.
running out
【单选题】It is said that the transport company will soon run ______ petroleum.
A.
over
B.
down
C.
off
D.
out of
【简答题】我国最常见的咯血原因是
【单选题】If oil supplies run out, the man may have to fall back on the horse.(改错题)
A.
run
B.
the man
C.
to fall
D.
on
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