高中英语必须2 unit3 Computers-词汇讲解学案

Computers-词汇讲解学案

1. calculate vt.

(1)计算，核算

e.g. The committee calculated the costs very carefully.

(2)估计

e.g. I calculate what it will cost.

(3)[美][口]以为；认为

e.g. I calculate all of them will come here.

(4)打算或计划做某事

e.g. This advertisement is calculated to attract the attention of children.

The loss has not yet been ____ accurately, but it is believed to be well beyond a hundred million dollars.

A. calculated

B. consider

C. completed

D. controlled

2. compare v. & n.

(1)比较，对比

compare A with B 把A与B相比较compare A to B 把A比作B

(2)vi. 与……类似、相似

compare with/to sb./sth. 比起某人、某物，与某人、某物相比

e.g. This school compares with the best in the country.

(3)独一无二的东西，举世无双

e.g. a diamond beyond compare

compare notes with sb.与某人交换看法（或意见等）

3.universal

(1)全世界的，共同的，全体的

e.g. Agreement on this issue is almost universal.

(2)普遍存在的；广泛适用的

e.g. a universal problem

Although I was young I could simplify difficult sums.

although引导让步状语从句。

4.simplify

a simplified text 简易读本

5. sum n. & v.

(1)n. [C]总数，总和

e.g. The sum of two and five is seven.

(2)n. [C]金额，钱数

e.g. It will cost an enormous sum to build the stadium.

(3)n.(pl.)算术题

e.g. Tom is better at sums than I am.

(4)vt. & vi. 共计

e.g. sum up the figures

in sum总而言之sum up总结，概括

6. before

(1)在……以前

e.g. He had left before I arrived.

(2)……之后才……

常用结构：It will be + 时间+ before +从句多久之后才……

It will bot be + 时间+ before +从句没过多久就会……

e.g. It will be three years before we meet again.

(3)（不久）就；还没来得及……就……

常见结构：It was(wasn’t) + 时间+ before + 从句

e.g. It wasn’t long before he returned from abroad.

7. artificial

(1)人工的；人造的；假的

an artificial flower/limb

(2)人为的；非自然的

e.g. An interview is a very artificial situation.

(3)虚假的；假装的

artificial emotion

8. intelligence智力，材质；消息，情报

e.g. Use your intelligence.

secret intelligence

9. solve 解答；解决

10. from…on

from then/that time on从那时起from now on从现在起from… to…from morning to night

11. reality

辨析：

12. share

share sth. with sb.

share sth. among/between sb.

share and share alike

13. application

apply 申请；应用

14. communication

(1)[U]交流，通讯

(2)[C]交通或通讯设备

15. finance n. & v.(finacial)

(1)n. 资金

e.g. finance for education

(2)n.[U]财政；金融；财务

e.g. the Minister of Finance财政部长the finance director/department财务主任、财务科

(3)(finances)(pl.)（个人、组织、国家的）财力，财源，财务管理

e.g. Buying the new house put a severe strain on our finances.

(4)v. 给……提供资金

e.g. He took a job to finance his stay in Australia.

16.mobile adj. & n.

(1)adj. 非固定的，可移动的

e.g. mobile equipment a mobile shop a mobile hospital mobile home

(2)adj. 行动方便的，腿脚灵便的

(3)adj.易于变换社会阶层（或工作、住处）的，流动的

e.g. a mobile workforce

(4)adj. 多变的，易变的

e.g. She has a mobile face.

(5)n. 风铃，（可随风摆动的）悬挂饰物

17. explore vt.

(1)探测，勘察，探险