In the opinion of Dr. Abrams, people wouldnt want to give up smoking because it ______.
A. can efficiently get nicotine to the brain
B. drives them to seek food, water and sex
C. calms, satisfies, and stimulates the mind
D. has to do with the survival of the species
查看答案
不满足3范式的关系会出现的问题是()
A 无法存取
B 理解困难
C 运行缓慢
D 更新异常
在SQL数据控制语言中权限回收语句的关键词是:()
A REVOKE
B RETURN
C RETRIEVE
D RECOVER
After a smoker finally quits smoking, he ______.
A. needs counseling for getting rid of smoking urges
B. is completely and happily satisfied with his success
C. has to adapt himself to a new life free from nicotine
D. comprehends what a nonsmoker really means to him