从A，B，C，D 四个选项中，选择与所给句子划线部分意思相同或相近并能代替的那一项。

1. —Please take care of the little girl.

    —OK.[ ]

A. look over    

B. be care  

C. care for  

D. look at

2. Come on , or you will miss the subway. [ ]

A. Hurry up  

B. Look around  

C. Come over  

D. Go on

3. Swimming is a good way to keep fit .[ ]

A. keep healthy  

B. keep health  

C. keeping fit  

D. keeping healthy

4. She thinks you will have a good time at her twelfth birthday party.[ ]

A. enjoy you  

B. have a fun  

C. enjoy youself  

D. have fun

5. There is lots of  rain in summer.[ ]

A. some  

B. many  

C. much  

D. plenty of

当IPS遇到软件/硬件问题时，强制进入直通状态，以避免网络断开的技术机制称为（）。

A、pass

B、bypass

C、watchdog

D、HA