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【单选题】
标准溶液可用直接法配制的是:A.
KMnO4
B.
HCl
C.
K2Cr2O7
D.
AgNO3
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Betty will ring me up when she _______ in Beijing.
A.
will arrive
B.
has arrived
C.
arrives
D.
is arriving
【简答题】精加工时,一般选择____效果较好的切削液。
【单选题】听力原文：M: You've been here three years. Have you had much of a chance to travel? W: Not much. Last year I planned to go to Yellow Stone Park in December, but I had to postpone the trip. Then a few month...
A.
Three years ago.
B.
This year.
C.
Last year.
D.
In December.
【单选题】Betty will ring me up as soon as she ______ in Beijing.
A.
arrive
B.
arrives
C.
arrived
D.
will arrive
【简答题】第一讲: 阅读中国工笔花鸟画史
【单选题】Betty will ring me up when she ( ) in Shanghai.
A.
arrive
B.
arrives
C.
arrived
D.
will arrive
【单选题】Betty will ring me up when she ________ in Beijing.
A.
arrive
B.
arrives
C.
arrived
D.
will arrive
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