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  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  16
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.
It has been shown that nicotine in cigarettes can improve people’s abilities to perform some actions more quickly.
选项 A、Y
B、N
C、NG
答案A
解析
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