The storm sweeping over this area now is sure to cause _____ vegetables in the coming days.
A. rarity
B. scarcity
C. invalidity
D. variety
Your nerve system reacts to what you imagine to be true on much the same way that it does to real experiences.
A. to
B. what
C. on much the same
D. does
卵巢囊肿患者手术前留置导尿管的目的是()。
A. 保持会阴部清洁干燥
B. 收集无菌尿标本做细菌培养
C. 测定残余尿
D. 避免术中误伤膀胱
E. 避免出现尿潴留