择期手术病人术前呼吸道准备一般采取()
A.引流痰液
B.用抗生素+糜蛋白酶雾化吸入
C.应用支气管扩张药
D.地塞米松雾化吸入
E.吸烟病人戒烟2周
参考答案:E
My father and his teacher talked for about an hour ofthings and persons___they remembered in the school.[ ]
A. that
B. which
C. who
D. what
I can't choose which pair ______jeans to buy. They both look good ______ me. [ ]
A. of; in
B. on; with
C. of; on
D. with; for