下列有关计算机病毒的说法中，错误的是（） A.计算机病毒可以通

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问题单项选择题

下列有关计算机病毒的说法中，错误的是（）

A.计算机病毒可以通过WORD文档进行传播

B.用杀毒软件将一片软盘杀毒之后，该软盘仍会再染病毒

C.计算机病毒可以自动生成

D.计算机病毒在某些条件下被激活之后，才开始起干扰和破坏作用

答案

参考答案：C

阅读理解

阅读理解。

Look at this . Here’s a pencil case, it’s orange, it’s my pencil case, it’s on the desk. Look! This is a

pen, it’s black. And this is an eraser, it’s blue and white. They’re both (都) in the pencil case. This is a

ruler, it’s red, it’s on the pencil case. That is a ruler, too. It’s yellow. It’s in the drawer. Where’s my math

book? Ah, it’s there, under the sofa.

1. This is pencil case______.

A. my

B. her

C. his

D. its

2. The yellow ruler is______.

A. in the backpack

B. in the drawer

C. on the pencil case

D. on the desk

3. in the pencil case______.

A. A pen is

B. An eraser is

C. A ruler is

D. A and B are

4. The is orange______.

A. pen

B. pencil

C. pencil case

D. ruler

5. Where is my English book?

A. Under the sofa

B. On the desk

C. In the drawer

D. Sorry, I don’t know.

选择题

We should be able to do the job for you quickly，_____ you give us all the necessary information.

A．in case

B．so long as

C．if only

D．as far as