电子商务系统（）中指保护系统能连续和正常地工作A.硬件安全 B.运行安全 C.软件安

Unit 3

... I went snorkelling on the reef offshore this morning. ... Seeing such

  小题1:  , I think every cell in my body woke up. ...

The first thing I    小题2:   was all the vivid colours surrounding me—purples,

reds, oranges, yellows, blues and greens. ...

Unit 5

Six months ago Xie Lei said goodbye to her family and friends in China and

  小题3:   London. It was the first time    小题4:   her motherland. ...

Lesson 23

People become quite    小题5:  when they try to decide what can be eaten and what cannot be eaten. If you lived in the Mediterranean, for instance, you would consider octopus   小题6:  . You would not be able to

understand why some people    小题7:  . ...

Lesson 27

It has been said that everyone lives by selling something.    小题8:   this statement, teachers live by selling knowledge, ... Though it may be possible to measure the value of material goods    小题9:   money, it is extremely difficult to    小题10:   of the services which people perform for us. ... yet we might grudge paying a

surgeon a high fee for offering us precisely this service.

计算机病毒是影响计算机系统正常运行的主要因素之一，目前以“PC 机+Windows操作系统”为攻击目标的计算机病毒有成千上万种。在下列有关计算机病毒的叙述中，错误的是

A． Internet是目前传播计算机病毒的主要途径

B． 所有的计算机病毒都是程序代码

C． 计算机病毒不仅感染可执行程序，也可感染Word文档等数据文件

D． 完备的数据备份机制和管理机制是预防计算机病毒感染的最根本的手段

机组达功率运行模式状态后，进入反应堆厂房的工作应尽量安排在非正常工作时间。（）

公司应急预案体系由总体应急预案、（）、现场处置方案（C、D类）三部分组成。

（）在中央银行制度的发展史上是个重要的里程碑，世界上一般都认为它是中央银行的始祖。