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【判断题】
无机材料包括金属材料和非金属材料A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】What does the woman want to do with the fossil?
A.
Take it to class.
B.
Put it in her collection.
C.
Take it to the lab.
D.
Leave it with her professor.
【简答题】安全教育的形式有哪些？
【简答题】安全教育的形式有哪些？
【单选题】Utah Open Course Ware Alliance has provided materials for 30 courses in a planned collection.
A.
Y
B.
N
C.
NG
【简答题】Sam enjoys ____stamps. And now he has 226 of them. [ ] A. to collect B .collected C .collects D. collecting
【单选题】The book covers a wide______ of topics on international politics.
A.
range
B.
number
C.
collection
D.
amount
【简答题】A．Watching TV is a waste of time. B．The man needs relaxation from recreation. C．Collecting socks is a waste of time. D．The man has to collect socks.
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