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【简答题】
An estimated of 28,000 staff walked out on Wednesday,
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举一反三
【简答题】（3）某二叉树共有7个结点，其中叶子结点只有1个，则该二叉树的深度为（假设根结点在第1层） A）3 B）4 C）6 D）7
【判断题】College couples could go to the moives for their dating cause that is cheaper.
A.
正确
B.
错误
【单选题】制动初期,地面制动力、制动器制动力及附着力的关系为( )。
A.
地面制动力等于附着力，并小于制动器制动力
B.
地面制动力等于制动器制动力，并小于附着力
C.
附着力等于制动器制动力，并小于地面制动力
D.
地面制动力等于制动器制动力，并等于附着力
【单选题】Harry buys a bond issued by Dell, Inc., which uses the funds to buy new machinery for one of its factories. In the language of macroeconomics,
A.
Harry and Dell are both investing.
B.
Harry and Dell are both saving.
C.
Harry is investing, Dell is saving.
D.
Harry is saving, Dell is investing.
【单选题】关于地面制动力、制动器制动力和附着力的关系,说法正确的是?
A.
随着踏板力的增加，最大地面制动力最终与附着力相等
B.
随着踏板力的增加，最大地面制动力最终与制动器制动力相等
C.
随着踏板力的增加，最大地面制动力最终与踏板力相等
D.
随着踏板力的增加，最大地面制动力最终与制动系压力相等
【简答题】Similarities within couples were most important in keeping couples together.
【单选题】According to the passage, who would be likely to sign a postnup?
A.
Young couples.
B.
Couples who run a large company.
C.
Couples who are going to get divorced.
D.
Couples who have children from a previous marriage.
【单选题】Similarities within couples were most important in______.
A.
bringing couples together
B.
keeping couples together
C.
getting along with the partner's family
D.
avoiding conflict
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