对解热镇痛药正确的叙述是：

A．能降低发热者体温

B．抑制外周前列腺素合成而发挥解热作用

C．对各种严重创伤性剧痛有效

D．镇痛部位主要在中枢

E．对体温的影响与氯丙嗪相同

Peter has _________ good friends. But _________ of them can speak English.   [ ]

A. few; a few              

B. a few; few

C. little; a little            

D. a little; little