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【单选题】
测定熔点时,若在一定温度下产生气泡、变色或浑浊的现象,则说明该供试品发生的现象是A.
B.
C.
熔融同时分解
D.
发毛
E.
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反馈参考答案：
举一反三
【简答题】—who is that man? —_______ A、He is a studentBHe is D、octor Took C、A driver, I suppose D、He’s drunk
【简答题】Passage ' Who is that man, Hester?' gasped Mr. Dimmesdale, overcome with terror. ' I shiver at him Dost thou know the man? I hate him, Hester!' She remembered her oath, and was silent. 'I tell thee, m...
【单选题】— Who is that man over there? Is it Mr. Wang? — That _____ Mr. Wang. He has gone to Beijing. [ ]
A.
. must be
B.
mustn't be
C.
can't be
D.
can be
【单选题】选择正确一项 Who is that man?
A.
She is my father.
B.
He is my father.
C.
She is my mother.
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