皮皮学，免费搜题
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【单选题】
肝硬化肝功能失代偿期最突出的临床表现是A.
食管和胃底静脉曲张
B.
脾显著肿大伴脾功能进
C.
肝掌，蜘蛛痣
D.
腹水
E.
齿龈出血
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Good secretaries will also ________________the way they dress for work.
A.
is interested in
B.
be good at
C.
be able to
D.
pay attention to
【单选题】What’s the difference between ordinary secretaries and executive secretaries?
A.
Ordinary secretaries work longer hours.
B.
Executive secretaries have more responsibilities.
C.
Executive secretaries work with doctors and lawyers.
D.
Ordinary secretaries work in small companies only.
【简答题】Good secretaries are extremely efficient and well _______ (organize).
【单选题】紫外线用于空气消毒时,有效距离和照射时间为
A.
25cm，20 min
B.
60cm， 30min
C.
2m，30 ～ 60min
D.
1m ，60min
E.
2cm ，120min
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