子网过滤防火墙比主机过滤防火墙增加了一个 【4】 ,为内部网络又提供了一层保护。
参考答案:内部过滤路由器
从下面的方框中选择适当的句子填空,使对话完整。
A: May I come in?
B: 小题1: Oh, it’s you, Li Ping. Show me your homework first.
A: Sorry, Mr. Wang. I was not at school yesterday.
B: 小题2:
A: Something was wrong with my left leg.
B: I’m sorry to hear that. 小题3:
A: Yes, it’s a little better.
B: You’d better finish your homework this evening. 小题4: . It’s bad for your eyes. You can show it to me tomorrow. You must look after yourself and keep healthy.
A: Yes, Mr. Wang. I must finish my homework after school today. 小题5:
关于输卵管妊娠非手术治疗病人的护理措施,正确的叙述是()。
A.多活动
B.流质饮食
C.定期腹部触诊
D.避免做增加腹压的动作
E.无出血危险不必严密观察