2. 考研
  3. From the first two paragraphs we learn that weightlessness is caused by ______. According to the passage we do not perceive gra

From the first two paragraphs we learn that weightlessness is caused by ______. According to the passage we do not perceive gra

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问题 From the first two paragraphs we learn that weightlessness is caused by ______.
According to the passage we do not perceive gravity because ______.
选项 A、we live in a downward-pulling world
B、there is no decrease or increase force of gravity on our bodies
C、our senses provide accurate information about the location
D、our brains integrate signals from all apparatus of the body
答案B
解析 本题是细节题，参见文章第3段末：Only when we decrease or increase the effective force of gravity on our bodies do our minds perceive it．其大意是：只有当重力的影响减少或增加时，我们才意识到它的存在。
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考研英语一

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