2. 外语
  3. It is easy to determine whether smoking is hazardous. Nicotine is poisonous.

It is easy to determine whether smoking is hazardous. Nicotine is poisonous.

admin2009-06-15  65
问题 It is easy to determine whether smoking is hazardous.
Nicotine is poisonous.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析 该题说的是：尼古丁是有毒的。答案可在第三段找到。
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