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【单选题】
在人类已知的化合物中品种最多的是(  )
A.
ⅤA族元素的化合物
B.
ⅣA族元素的化合物
C.
ⅥA族元素的化合物
D.
ⅦB族元素的化合物
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参考答案:
举一反三
【简答题】Tom lived by himself a long way from town. He hardly went to town, but one day he went into town to buy a few things. After he bought them, he went into a restaurant and sat down at a table. When he l...
【单选题】税款的征收以税款到达( )为正式入库。
A.
国库经收处
B.
国库的支库
C.
开户行
D.
税务机关
【判断题】费马定理告诉我们,如果函数中某一点的导数为0,则该点为该函数的一个稳定点。
A.
正确
B.
错误
【单选题】He went from door to door, ____waste papers and magazines.
A.
gathering
B.
gathered
C.
gather
D.
being gathered
【判断题】税务机关征收的税款,以到达支库为正式入库。
A.
正确
B.
错误
【简答题】What does Freneau ’ s poem “ The Wild Honey le ” indicate?
【单选题】有关盐酸西替利嗪的叙述.错误的是
A.
H1受体拮抗剂
B.
具有哌嗪结构
C.
基本上无镇静作用
D.
过敏介质释放抑制剂
E.
分子中有羧基
【判断题】He went from door to door, gathered waste papers and magazines.()
A.
正确
B.
错误
【单选题】Was it from the lake ________ he often went fishing ________ he saved the drowning girl?A.that,
A.
40. Was it from the lake ________ he often went fishing ________ he saved the drowning girl? A.that, that
B.
where, where
C.
where, that
D.
that, where
【简答题】What does Philip Freneau use the wild honeyle to suggest?
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