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【单选题】
自由指由什么力结合存在于食品组织细胞中或细胞间隙的水（）A.
氢键
B.
配合键
C.
离子键
D.
分子间力
E.
共价键
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反馈参考答案：
举一反三
【简答题】民用航空系统的构成主要包括哪些部门?
【简答题】已知列表 x = list(range(10)) ,那么执行语句 del x[::2] 之后, x 的值为 _________ 。 [1, 3, 5, 7, 9]
【单选题】你们这学期上哪些课程?
A.
What are you doing in the school?
B.
What do you like in the school?
C.
What subjects are you taking this term?
D.
What subject do you like best?
【单选题】Americans don't like to lose wars. Of course, a lot depends on how you define just what a war is. There are shooting wars—the kind that test patriotism and courage—and those are the kind at which the ...
A.
Human wars.
B.
Economic crisis.
C.
America's environmental policies.
D.
Global environment in general.
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