Learning about Language课件配套优秀教案设计

Unit 3

Computers Learning about Language & Using language

Key Words

1. download vt.

下载

2. virus n.

病毒

3. signal vi. & vt.

发信号

n.

信号

4. coach n.

教练

5. character n.

性格；特点

6. type n.

类型vt.& vi.

打字→typist n.

打字员→typewriter n.

打字机

7. electronic adj.

电子的→electricity n.

电→electrical adj.

与电有关的→electric adj.电的，用电驱动的

8. appearance n.

外观；外貌；出现→appear vi.

出现；呈现

9. niece n.

侄女；甥女→nephew n.

侄子；外甥

Key Phrases 1. make good use of 好好利用；充分利用

2. be crazy about对……着迷

3. come true实现

4. give sth. away赠送；捐赠；分发；泄露

5. consist of由……组成

6. in a way 在某种程度上

7. after all毕竟

8. with the help of在……的帮助下

9. deal with处理；安排；对付

10. watch over看守；监视

Key Sentence She programs us with all the possible moves she has seen while watching human games.(状语从句的省略)

1. give away ◆捐赠；分发；泄露；丧失，错失。

☛He gave away most of his fortune to the poor. 他把他的大部分财产都送给了穷人。

☛The headmaster gave away the prizes. 校长分发奖品。

☛Don’t give away the secret. 这项机密不可泄露。

☛I can never give away such a good chance. 我决不会错失这么好的机会。

【拓展延伸】

give back归还，送回

give off发出，放出

give in 屈服，让步；上交

give out分发，散发；用光，用尽

give up 放弃

用适当的介词或副词填空

1. Please give my pen __________. I need it now.

2. The gas gave __________ an unpleasant smell.

3. He has given __________ smoking.

4. Tom always gave __________ to his big brother.

5. The coal began to give __________.

【答案】

1. back

4. in

2. off

5. out

3. up 2. signal

◆(1)vi. & vt. 发信号；发暗号；示意。常见搭配：

signal (sb.) that示意……

signal (to) sb. to do sth. 示意某人做某事

signal to sb. 向某人示意

☛She signaled the car to stop by raising her hand. 她举手示意车停下。

☛He signaled that it was time to leave. 他示意该走了。

◆(2) n. 信号；暗号；指示灯。常见搭配：

a danger/warning (stop) signal危险/警告(停车)信号

traffic signals 交通信号灯

☛At an agreed signal they left the room. 收到约定的信号后，他们离开了房间。

☛Chest pains can be a warning signal of heart problems. 胸部疼痛可能是心脏病的报警信号。

【易混辨析】signal/mark/sign/symbol

signal

指为某一目的而有意发出的信号。

普通用词，含义广泛。指在其他事物上留下的清晰可见的印痕(也可指为便于辨认mark

而有意做的标记)或先天固有的标志。

sign

symbol

1. 选词填空(signal/mark/sign/symbol)

①The snow showed no _________ of melting.

②A red light is a _________ of danger, which is even known to a five-year-old child.

③In the picture the tree is the _________ of life and the snake is the symbol of evil.

④The years have set their _________ on his brow(额头).

2. In our class, when the bell rang and the teacher closed his book, it was a _________ for everyone to stand up.

A. signal

measure 【答案】

1. ①sign

②signal ④mark

B. chance

C. mark

D. 普通用词，指人们公认的事物的记号，也可指某种情况的征兆。

指象征或表达某种深邃意蕴的特殊事物。

③symbol

2. A

【解析】句意：在我们班，铃声响起，老师合上课本，这就是大家起立的信号。signal信号，符合题意。chance机会，运气；mark分数，痕迹；measure测量，措施，办法，

尺寸。

3. arise

◆vi. 出现；发生；产生。常见搭配：

rise from/out of 由……而引起，由……而产生；从……中产生

☛Then she prepares reliable moves to use if a new situation arises. 接着她准备好了可行的步骤来应对可能出现的新情况。

☛Unexpected difficulties arose in the course of their experiment. 在他们进行实验的过程中, 出现了意想不到的困难。

☛Some risks arise from changes in the environment. 有些风险是因为环境的变化。

【易混辨析】

原形

arise rise raise arouse

意义

出现，发生

上升，升起

举起，抬高

唤醒，激起

用法

常用于事物或问题的出现

主语自身移向更高的位置

主语的动作作用于其他事物，也raised 可表示抽象意义，如提高觉悟等

aroused

arousing

raised 过去式

arose rose 过去分词

arisen risen 【巧学妙记】图片巧辨arise, rise, raise：

用arise, arouse, rise与raise填空

1. The sun __________ in the east and sets in the west. 2. We should always keep in mind that accidents __________ from carelessness while driving. 3. Now the standard of living is __________ rapidly. 4. This book __________ my interest in politics. 【答案】

1. rises

2. arise

3. raised

4. aroused