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【简答题】
汽车发动机的上下位置布置主要考虑的因素有 和 。
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【简答题】制动液的使用注意事项有哪些?
【简答题】Directions: You are going to hear a short passage on the rules for children. Supply the missing words. When parents make a lot of rules about their children’s behavior, they make (1) _______ for thems...
【单选题】According to the passage, Miss Amelia was
A.
a woman of handsome countenance.
B.
negligent of other men's courtship.
C.
hurt badly by the marriage that failed.
D.
ambitious to become famous and rich.
【简答题】根据所听的短文内容，在所给的A、B、C三个选项中选出最佳选项。 1. Who likes sports? A. Tom. B. Mike. C. Tom and Mike. 2. What are they doing at 7:35? A. They're skating. B. They're listening to the radio. C. They're swimming. 3. Wh...
【单选题】The______emphasis on exams is by far the worst form. of competition in schools.
A.
negligent
B.
edible
C.
fabulous
D.
disproportionate
【单选题】一质点由静止开始作圆周运动,其相对圆心的角动量随时间的变化关系为 L =3 t 2 ,则质点受到的相对于圆心的力矩大小为
A.
6t
B.
t^3
C.
6
D.
3t^2
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