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【单选题】
急性胰腺炎的发病原因在中国主要是A.
酗酒
B.
暴饮暴食
C.
胆道梗阻
D.
创伤
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反馈参考答案：
举一反三
【单选题】Don’t lose heart. It won’t be long ___________ you catch up with others.
A.
since
B.
until
C.
as
D.
before
【单选题】Work hard, ______ you won't catch up with your classmates. [ ]
A.
but
B.
so
C.
or
D.
and
【单选题】If we don’t hurry up, we won’t be ______ to catch the train.
A.
in time
B.
in no time
C.
at times
D.
at a time
【单选题】A strange feature of the umbrella’s use is that it was used as ______.
A.
a shade against the sun
B.
protection against rain
C.
a symbol of honor and power
D.
women's decoration
【单选题】She ________ to catch the early train，but she didn’t get up in time.
A.
intended
B.
was intended
C.
had intended
D.
was intending
【单选题】_________ we hurry up, we won’t be able to catch the last bus.
A.
Except
B.
Without
C.
Even
D.
Unless
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