下列IP地址中，不正确的是（）。A.102.123.3.1 B.10.5.6.7 C

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问题多项选择题

下列IP地址中，不正确的是（）。

A.102.123.3.1

B.10.5.6.7

C.101.23.4.7

D.125.256.478.1

答案

参考答案：B, D

解析：

IP地址是由四组数字构成的，构成IP地址的数字范围是0～255。

阅读理解

阅读理解。

I get up at 6:30 every morning. Then I put on my clothes and shoes. And I eat my breakfast at 7:20.

I eat milk, apple and bread for my breakfast. At 7:30 I go to school by bus. I arrive at school at 8:00.

Then I have my lesson at 8:20. I go home at 5 :30 pm after school.

1. ____ at 6:30 every morning.

A. Get work

B. Get up

C. Wake up

2. My breakfast is at ____.

A. 7:20

B. 7:30

C. 7:00

3. I go to school ____.

A. by bike

B. by train

C. by bus

4. I ____ school at 8:00.

A. arrive at

B. arrive in

C. arrive ( )

5. I ____ at 5:30 pm.

A. go home

B. play

C. sleep

单项选择题

肝功能减退的感染患者，应避免使用（）。

A.去甲万古霉素

B.头孢他啶

C.利福平

D.头孢曲松