Unit

3

Try your best to describe

what the 21st century is like.

Do you know IT?

What does IT consist of?

Discussion

For reference

Information Technology (IT) is a

broad subject concerned with the

use of technology in managing and

processing information, especially

in large organizations. In

particular, IT deals with the use of

electronic

computers and computer software t

o convert, store, protect, process, tr

ansmit, and retrieve information. F

or that reason, computer profession

als are often called IT specialists.

1. signalvi. & vt. 发信号 n. 信号1) A red lamp is often a danger signal.

2) The police signaled the traffic to move forward slowly.

2. goal

n. 球门；（进球）得分；目标；目的1) You’d better set a goal before you sta

rt the drill.

2) He has achieved his goal.

3) Who is keeping goal/is in goal (ie is goalkeeper) for Arsenal?

3. in a way

在某种程度上1) In a way, you’re right.

2) You should dress in a way that befits a woman of your position.

in the way of 挡……的道；妨碍 on the/one’s way (to) 在 ( 去…… ) 的路上by the way 顺便提一下 in no way 决不all the way 自始自终 ; 完全地in this way 用这种方法

way 常见短语

4. arise (arose, arisen) vi. 出现；发生1) An opportunity has arisen. 2) A new difficulty has arisen. 3) The problem may not arise, but there’s

no harm in making preparations.

5. with the help of 在……的帮助下 With the help of the teacher, I have

made rapid progress in my English

study.

6. electronic adj. 电子的1) This dictionary is available in electronic version.

2) The firm is Britain’s main producer of electronic equipment.

7. deal with

处理；安排；对付1) I have a matter of importance to deal with. 2) I think we should work out a strategy to deal with this situation.

8. watch over 看守 ; 监视They were watched over by three p

olicemen.

watch out (for) 当心 ; 注意keep a watch on 监视under the close watch 在严密的监视下