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【判断题】

万有引力常数G是由英国科学家卡文迪许测定的。()

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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A.
Newton and Einstein had similar opinions on the speed of gravity
B.
the author of the passage is in favor of Einstein’s thought about the speed of gravity
C.
astronomers think that both Newton and Einstein were wrong on the speed of gravity
D.
Newton’s thought about the gravitational effect is out of date

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A.
two things far apart might vibrate in unison
B.
the ripples in space-time are only imagined
C.
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D.
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