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【判断题】
除另有规定外,化学药散剂的含水量不得超过 5%。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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A.
keep away from
B.
keep up with
C.
keep back
D.
keep out
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【单选题】可用于直接配制标准溶液的是 ( )
A.
FeSO 4 (R)
B.
K 2 Cr 2 O 7 (R.)
C.
Na 2 S 2 O 3 •5H 2 O(R)
D.
NaOH (R)
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【单选题】听力原文：W: Well, Mr. Steve, we have had an interesting discussion about your work. Now, tell us something about your afar work activities. M: I guess not much different from everyone else. I'm fond of sp...
A.
Running and thinking.
B.
Running and jumping.
C.
Running and climbing.
D.
Running and skiing.
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