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【简答题】
150元可以买几个玩具熊？
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反馈参考答案：
举一反三
【单选题】“The number of carbon atoms in each of the three bridges connecting the two tertiary carbon atoms is indicated in brackets in descending order.”的主语是
A.
number
B.
brackets
C.
bridges
D.
order
【简答题】你能给杰克捎个信吗?
【单选题】In accord with the IUPAC rules, a hydrocarbon is specifically identified by a root, which indicates the number of carbon atoms in the longest continuous chain, and a suffix, describes the kind of bond...
A.
which
B.
they
C.
it
D.
that
【判断题】It is not the number of carbon, hydrogen, and oxygen atoms, but the different arrangements of them that account for the different properties of carbohydrates.
A.
正确
B.
错误
【判断题】The general formula of an alkane is CnH2n, where n is the number of carbon atoms in the alkane.
A.
正确
B.
错误
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