皮皮学，免费搜题
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【单选题】
腹腔双套管24小时的冲洗液总量为多少?A.
3000-5000ml
B.
2000-3000ml
C.
3000-6000ml
D.
5000-6000ml
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】-Who's the man __________ black? -Oh, he's a famous pop singer. [ ]
A.
in
B.
on
C.
with
D.
at
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A.
Is… from , a
B.
Does… come from , an
C.
Is… come from , an
D.
Is… from , an
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A.
in, mine
B.
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C.
on, my
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on, hers
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