当量浓度已废除，所以2NHCl应表示为（） A.CHCl=4mol／L B.CHCl

用所给词的正确形式填空

1. Have you decided _____(be) a fire-fighter?

2. The teacher wanted to know who kept the window _____(close).

3. Nick did _____(well) in the long jump than Jim did.

4. Is that book _____(you)?

5. _____(can) you swim when you was four years old?

患者，男，37岁。有饮酒史。脘腹胀闷作痛，吐血紫暗，夹有食物残渣，口苦口臭，尿黄便秘，舌红苔黄腻，脉滑数。诊为吐血，其证候是（）

A.胃热壅盛

B.肝火犯胃

C.气虚血溢

D.络淤血溢

E.大肠实热证

The meeting lasted as long as three hours and I couldn't ____________ it until 10  p．m..

A．get away from

B．get away with

C．run away with

D．do away with

通道保护环业务的倒换是由（）启动。

放置宫内节育器术中及术后的处理措施哪项是不正确的？（）

A．术中随时观察受术者的情况

B．嘱术者如有出血多、腹痛、发热等情况随时就诊

C．术后休息3 天

D．1 周内禁止性生活

E．术后于1、3、6 个月及1 年，分别复查一次