1.单选题- (共6题)
A.万有引力定律是牛顿发现的 |
B.![]() |
C.两物体引力大小与质量成正比,与此两物体间距离的平方成反比 |
D.万有引力仅存在于星球间、任何客观存在的有质量的两物体之间不存在这种相互吸引的力 |
A.F |
B.F/2 |
C.8F |
D.4F |
2.选择题- (共1题)
B
Mike works very long hours every day. He usually gets up at 17:00. He has a shower and makes his breakfast. What a funny time to make breakfast! After breakfast, he practices (练习) his guitar for ten minutes, then he puts on his jacket and goes to work. To get to work, he takes the No.17 bus to the Star Hotel. The bus usually leaves at 19:15. He works all night. People love to listen to him! He gets home at 7:00, and he watches the early morning news on TV. He goes to bed at 8:30, a tired but happy man. Can you think what his job is?
3.多选题- (共1题)
A. 地球与月球间的万有引力将变大 B. 地球与月球间的万有引力将变小
C. 月球绕地球运动的周期将变长 D. 月球绕地球运动的周期将变短
4.解答题- (共3题)
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【1】题量占比
单选题:(6道)
选择题:(1道)
多选题:(1道)
解答题:(3道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:7
7星难题:0
8星难题:2
9星难题:1