strong
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填适当的英语单词
填适当的英语单词
A:I don't believe we can live at Mars.
B:Neither do I.Because the gravity on the surface of Mars is not so ______ as it is on earth.We can hardly stand still there.
A:What's ______,there is no water.
A:I don't believe we can live at Mars.
B:Neither do I.Because the gravity on the surface of Mars is not so ______ as it is on earth.We can hardly stand still there.
A:What's ______,there is no water.
英语人气：363 ℃时间：2020-05-13 19:53:53
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