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【单选题】
下列药物能采用重氮化偶合反应进行鉴别的是A.
阿司匹林
B.
美洛昔康
C.
尼美舒利
D.
对乙酰氨基酚
E.
吲哚美辛
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皮皮学刷刷变学霸
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【单选题】Can $ 500 _________ the cost of the whole trip?
A.
contain
B.
cover
C.
include
D.
afford
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【简答题】Hearst Castle is in California, America. A person called William Randolph Hearst built it between 1922 and 1939, at a cost of more than $30 million. Last year, I had a trip to that castle. I spent the...
【单选题】The whole six-week trip, which the author and his wife took in 2004, cost____, including $100 lost.
A.
$2,440
B.
$2,340
C.
$2,240
D.
$2,400
【简答题】阅读理解。 Hello, children and parents. Thank you all for coming to the meeting . I’d like to start by confirming (保证) that we will receive some money from the government for our school trip to Indonesia. ...
【简答题】1936年12月12日,张学良、杨虎城实施兵谏,扣留,并向全国发出停止内战、一致抗日的通电,史称( )。 A、西安事变 B、华北事变 C、两广事变
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