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【判断题】
对于有A和B两种反应物参与的平行反应,目的反应中A的级数为1级,副反应为2级;目的反应中B的级数为2级,副反应为1级。如果要设计一个现实的连续流动式反应器,可以设计成一个带壳层的反应器,让A直接从反应内管进料,而B从反应器壳层进料。同时在壳层中打一些,让B均匀地扩散进反应内。A.
正确
B.
错误
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举一反三
【单选题】Uncle Li and Uncle Wang live in the low and broken houses because ______.
A.
they hope to save money
B.
they're both poor
C.
they're not far from their farms
【简答题】阅读理解。 Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his hea...
【简答题】根据下列材料请回答 61～65 题： 第 61 题 Uncle Li and Uncle Wang live in the low and broken houses because_______.
【简答题】Passage 3 Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his...
【单选题】Uncle Li and Uncle Wang were unhappy because ______.
A.
they had sustained losses in business
B.
they had lost some money in the city
C.
other people profited in the city
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