John complained to the bookseller that there were several pages______ in the dictionary.
A. missing
B. loosening
C. dissipating
D. skipping
气血虚弱型闭经的临床表现下列哪项是错误的
A. 月经两月未潮
B. 头晕面白
C. 心悸气短
D. 倦怠无力
E. 舌淡脉弱
正常机体中的无菌部位是
A. 皮肤表面
B. 黏膜表面
C. 外耳道
D. 血液
E. 眼结膜
He asked me to drink a few______ of brandy to make me feel less nervous.
A. sips
B. hops
C. tugs
D. flaps
微信支付 
支付宝支付