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【简答题】
以六配位为例,当正负离子半径比偏离临界半径比时,正离子的配位数会如何变化?
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personify
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immerse
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suppress
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What a serious problem
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【单选题】__ What’s that high building ? __ ______ we borrow books or do reading.
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It’s the building from which
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That’s where
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A.
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B.
The author thinks that readers have only absorbed part of knowledge in books. 
C.
The author holds that few people have a proper idea about what content some kind of books should include. 
D.
The author considers that readers can scarcely understand most of the books.
【简答题】The course will be held on the ______ floor in the Main Building.
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