2. 外语
  3. Although nicotine is probably the well-known chemical in cigarettes, it is not necessarily the one that changes the psyche of th

Although nicotine is probably the well-known chemical in cigarettes, it is not necessarily the one that changes the psyche of th

admin2009-04-23  58
问题 Although nicotine is probably the well-known chemical in cigarettes, it is not necessarily the one that changes the psyche of the smoker when cigarettes are smoked.
Nicotine dilates the blood vessels that carry it around the body.
选项 A、Y
B、N
C、NG
答案C
解析
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大学英语四级

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