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  3. Lance Bass wasn’t able to go on a tour of space because of health problems. In order for space tourists to walk around and func

Lance Bass wasn’t able to go on a tour of space because of health problems. In order for space tourists to walk around and func

admin2008-12-10  49
问题 Lance Bass wasn’t able to go on a tour of space because of health problems.
In order for space tourists to walk around and function normally, it is necessary for the space city to create a ______.
选项
答案small gravitational pull
解析 本题空白处问“为了让太空游客在太空能够正常行走和活动，太空城有必要产生……”。相关部分在文中第十二段，提到“旋转的太空城产生的很小的重力牵引就可以使太空旅行者和太空居民正常行走和活动”。因此，答案为small gravitational pull。
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大学英语六级

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