2. 外语
  3. The main idea of this passage is that ______. According to the passage, if there are one hundred Chinese men smokers in the roo

The main idea of this passage is that ______. According to the passage, if there are one hundred Chinese men smokers in the roo

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问题 The main idea of this passage is that ______.
According to the passage, if there are one hundred Chinese men smokers in the room, as a result, the number of cigarettes that they smoke is at least ______ each day.
选项 A、about 1500
B、5000 or so
C、under 750
D、over 1050
答案D
解析 由100×15×70%可推得D。
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