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【多选题】
水粉纸要求质地
A.
B.
吸水适中
C.
有一定厚度
D.
经得起笔和水的反复擦洗
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参考答案:
举一反三
【单选题】黄酮苷和黄酮苷元一般均能溶解的溶剂为
A.
乙醚
B.
乙醇
C.
氯仿
D.
E.
酸水
【单选题】黄酮苷和黄酮苷元一般均能溶解的溶剂为
A.
乙醚
B.
氯仿
C.
乙醇
D.
E.
酸水
【单选题】黄酮苷和黄酮苷元一般均能溶解的溶剂为
A.
氯仿
B.
乙醇
C.
D.
酸水
【单选题】黄酮苷和黄酮苷元一般均能溶解的溶剂为
A.
乙醚
B.
乙醇
C.
D.
酸水
E.
氯仿
【单选题】Jack would rather his younger sister ______ in the same hospital as he does.
A.
worked
B.
works
C.
to work
D.
work
【单选题】Jackie doesn't tell Amy why she and Dean are going to celebrate because ______ .
A.
she doesn’t know the reason
B.
the reason isn’t really important to her
C.
she doesn’t want anyone else to know the reason
【单选题】黄酮苷和苷元一般均能溶解的溶剂为 ( )
A.
乙酸乙酯
B.
甲醇
C.
酸水
D.
乙醚
E.
【单选题】A:What a good trip we have today! B:Really? I don’t think so. Q: What does Amy think of the trip?
A.
She likes it very much.
B.
She thinks that it’s very helpful
C.
She doesn’t like it at all.
D.
She doesn’t know.
【单选题】黄酮苷和黄酮苷元一般均能溶解的溶剂为
A.
乙醚
B.
乙醇
C.
酸水
D.
【单选题】黄酮苷和苷元一般均能溶解的溶剂为
A.
乙酸乙酯
B.
酸水
C.
乙醇
D.
E.
乙醚
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