* * 狭窄患者行 * * 扩张时的护理措施不正确的是()
A.选择大小合适的探子
B.遇有阻力时稍用力送入
C.避免出血
D.注意无菌操作
E.定期扩张
参考答案:B
— Is that Chen speaking?
— Sorry, he isn't in. He _____ abroad or business.[ ]
A. goes
B. went
C. has gone
D. will go
定额杂费收据共有()种。
A.9
B.10
C.11
D.1