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Once out of the earth’s gravity, the spaceman is by the problem of weightlessnes

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Once out of the earth’s gravity, the spaceman is by the problem of weightlessnes

Once out of the earth’s gravity, the spaceman is ___ by the problem of weightlessness.

A．affected B．effectedC．relatedD．offered

试题答案

A

解析

标签：earthgravityspacemantheonce

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