问题详情

27 Anyone who ever tried to quit smoking is aware of .
28 To a smoker, the desire for tabacco is .
29 Nicotine in the blood will make the smoker .
30 Besides the nervous system, nicotine also affects .
A Statistics about the People Who Want to Quit Smoking
B How Nicotine Affects Other Parts of the Body
C The Effect of Smoking on the Nervous System
D The Formation of Dependence
E The Hardness of Quit Smoking
F Harm of Smoking 请帮忙给出正确答案和分析，谢谢！