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  34
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 借助背景知识判断该句说法正确，因此推测答案可能是正确或没提到。利用题干中的“Nicotine”(特征词)作为答案线索词，这样直接在文章中找到答案相关词句：There is also nicotine， which is powerful poison，and black tar(焦油)．该题考察考生对非限制定语从句的理解。which is  powerful poison是非限制定语从句，修饰前面的名词Nicotine，该从句的内容是“有着很强的毒性的(尼古丁)”，因此判断问题句的说法正确。
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