氟西汀的作用机制是( )
A. 抑制NA再摄取
B. 阻断M受体
C. 阻断α受体
D. 抑制5-HT再摄取
E. 激动M受体
左旋多巴的特点有()
A. 吸收快，需要2~3周起效
B. 半衰期个体差异大
C. 可与外周多巴脱羧酶抑制剂合用
D. 对强直和运动困难效果较好
E. 宜与维生素B6合用
Successful applicants at American colleges are usually chosen on the following basis except
A. their high school record
B. recommendations from their high school teachers
C. the impression they make during interviews at high school
D. their score on the Scholastic Aptitude Test (SAT)
Some top universities in America include the following except
A. Harvard University
B. Princeton University
C. Yale University
D. Cambridge University
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