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【单选题】
如图所示,一个物体放在水平面上,在跟竖直θ角的斜向下的推力F的作用下沿平面移动了距离s,若物体的质量为m,物体与地面之间的摩擦力大小为f,则在此过程中( )
A.
摩擦力做的功为fs
B.
力F做的功为Fscosθ
C.
力F做的功为Fssinθ
D.
重力做的功为mgs
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举一反三
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B.
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【单选题】Kingsley Amis______is one of the most influential novels of the 'Angry Young Men'.
A.
Lucky Jim
B.
Look Back in Anger
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【单选题】The sentence 'Most remarkable of all has been the rebound among young men.'(Line 1, Paragraph 4)denotes that young men have
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B.
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C.
narrowed the gap with young women in learning.
D.
showed a sign of willingness to read more than before.
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A.
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B.
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【单选题】Young men should constantly _________their own state of mind so as to adapt to the circumstances in which fierce competition is going on .
A.
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adjust
C.
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C.
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【单选题】Brian Harper wants to be a priest for the reason that ______.
A.
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B.
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C.
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D.
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【单选题】Most of “The Angry Young Men” are from ________.
A.
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B.
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C.
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D.
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【单选题】Kingsley Amis______is one of the most influential novels of the 'Angry Young Men'.
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【单选题】The sentence 'Most remarkable of all has been the rebound among young men.'(Line 1, Paragraph 4)denotes that young men have
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B.
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【单选题】Young men should constantly _________their own state of mind so as to adapt to the circumstances in which fierce competition is going on .
A.
modify
B.
adjust
C.
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A.
Avlan的名字
B.
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D.
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查看完整题目与答案
【单选题】Brian Harper wants to be a priest for the reason that ______.
A.
there are so few young men who prefer to emphasize religious observance, ritual and the importance of obedience and personal humility
B.
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C.
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D.
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查看完整题目与答案
【单选题】Most of “The Angry Young Men” are from ________.
A.
Middle Class
B.
Upper-Class
C.
Lower Class
D.
Bourgeoisie
查看完整题目与答案