皮皮学，免费搜题
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搜题
【单选题】
蕨类植物的茎多为A.
根状茎
B.
块茎
C.
球茎
D.
鳞茎
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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】A.They were just as busy as people of today. B.They saw the importance of collective efforts. C.They didnt complain as much as modem mann D.They lived a hard lifebyhunting and gathering.
【单选题】Utah Open Course Ware Alliance has provided materials for 30 courses in a planned collection.
A.
Y
B.
N
C.
NG
【单选题】The book covers a wide______ of topics on international politics.
A.
range
B.
number
C.
collection
D.
amount
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