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【单选题】
培养结核分枝杆菌常用的培养基是A.
培养基
B.
罗氏培养基
C.
沙堡氏培养基
D.
Korthof 培养基
E.
疱肉培养基
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举一反三
【简答题】图示电路中，电压U，为：
【单选题】一Mark, what ( ) your parents ( )? 一They are watching TV in their room.
A.
is; does
B.
are; do
C.
are; doing
【简答题】Jan：I have new photos of my family, but they’ re not very good. This is my sister… Mark：Where is she? Is she at the library? Jan：No, she’ s in the living room. She s doing her homework. And that s my...
【简答题】阅读理解 Jan:I have new photos of my family, but they' re not very good. This is my sister... Mark:Where is she? Is she at the library? Jan:No, she' s in the living room. She’s doing her homework. And th...
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