Using LanguageⅠ课件配套优秀公开课教案设计

Book 2 Unit 3 Computers

Period 5

Using Language

导学目标

1.学会和识记本课时所出现的词汇

signal, type, in a way, arise, appearance 等

自主学习

1. signal

vi.& vt.发信号；发暗号；示意n.信号

品味典例：

For example，I have learned to signal to my teammates in computer language to give me the ball when I am open and have a good shot for a goal.(P23) 例如，当我的对面没有人防守，可以有一个很好射门机会时，我可以用计算机语言向队友示意把球传给我。

Did you signal before you turn right?

右转弯前你示意了吗？

A red light is usually a signal for/of danger.

红灯通常是危险的信号。

常用结构：

①signal (to) sb.(to do sth.)向某人发出(做某事)的信号，示意某人做某事

signal (sb.)that...示意(某人)……

②traffic signals 交通信号灯

a danger/warning signal危险/警告信号

She was signaling (to) the children to stay outside. 她在向孩子们打手势，要他们留在外面。

He signaled the waiter to bring the menu. 他做手势要侍者拿菜单来。

易错辨析：

signal/mark/sign/symbol

signal

mark

sign

symbol “信号”，常指约定俗成、传达某些信息的信号，也指灯光、声音或字符标志

“标志；标记”含义广泛，指事物留下的深刻印迹或某物上用于辨别该物品的标志，比sign更侧重于区别性或揭示性的标志，有时不一定十分直观或明显

“记号；标记”，用法最广，可指符号，也可指情绪、性格的直观显示，还可指具体的用于识别或指示的标志，如指示牌、卡片等。借喻作“征兆；迹象”讲

“象征；符号”，指被人们选出的物体或图案用来代表另一事物，并作为该事物的标记或象征

小试牛刀：

选词填空：signal；sign；symbol；mark ①

White is the ______________ of purity (纯洁)．

②

There are _____________ of weather changing. ③

It is a famous trade ________________.

④

We live too far from the city to get a lot of strong television _____________. 2.

Personally, I think the team who won first place cheated.

我个人认为得冠军的那个队作弊了。

品味典例：

She didn’t like the plan, but personally I see nothing wrong with it. 她不喜欢这项计划, 但我本人觉得没什么不好的。

Personally (speaking), I think he is a very good man, but you may not agree.

就个人而言, 我认为他是个很好的人, 但也许你不这么认为。

归纳拓展：

person (n)--personal (adj.)--personally (adv)

personally ( speaking ) adv. 就自己而言;

就我个人来说的同义短语：

in my opinion;

as far as I’m concerned;

in my view;

as far as I can see;

from my point of view

小试牛刀：

同义句转换

My own opinion is that the project is going to be a great success. =______________________, the project is going to be a great success. 3．type

vt.& vi.打字n.类型

品味典例：

They had developed a new type of program just before the competition. (P23) 他们恰好在比赛前设计了一种新程序。

Could you type this letter for me? 你能为我打这封信吗？

There are two types of rocks in this area. 这个地区有两种类型的岩石。

易错辨析：

kind/ sort/ type

这些名词均有“种、类、类型”之意。

kind sort type 指性质相同，而且特征很相似，足以归为一类的人或东西。

普通用词，文体较kind随便，指对人或对事物进行的大概分类，有时含贬义。

指客观界限比较清楚，有相同本质特点的同类事物，指“类型”。

This is a new type of dictionary.

这是一种新型词典。

Do you know what kind of music he likes best?

你知道他最喜欢哪种音乐吗？

What sort of people does he think we are?

他把我们看成什么人了？

小试牛刀：

选词填空：kind；type；sort

①What ___________ of cake do you like best? ②Blue jay (蓝鸟) is a ____________ of European bird with brightly colored features. 4．in a way (相当于in some ways) 在某种程度上

品味典例：

In a way our programmer is like our coach. (P23)

从某种程度上看，我们的程序员就像是我们的教练。

In a way，I'm glad you made that mistake，for it will serve as warning to you. 在某种程度上说，你犯那个错误我倒感到高兴，因为它可以为你敲一下警钟。

The car is in the way，causing the traffic jam.

小汽车挡路了，造成了交通阻塞。

In no way will I give in to him.

我决不向他屈服。

归纳拓展：

in this way

用这种方法

in the way挡路，妨碍

in no way决不(置于句首，句子要倒装) on one's way(to)．..在(去)……的路上

no way没门

小试牛刀：

用way的相关短语填空

①

He is ____________________ becoming a doctor. ②

________________，losing job is not a bad thing. ③

I couldn't get through the door because there was a big box _________________. ④

—Will you help me do this?

—_______________；do it yourself! 5．arise vi. (arose, arisen ) 出现，发生

品味典例：

Then she prepares reliable moves to use if a new situation arises. (P23)

然后她把我在新情况下可能用得上的可靠动作也编制出程序。

How did the quarrel arise？吵架是怎么发生的？

As we all know，car accidents arise from carelessness.

众所周知，交通事故是由于粗心大意而产生的。

归纳拓展：arise from/out of由……而引起；由……而产生；

辨析：arise/rise/raise arise–arose-arisen 不及物，意为“出现；发生”。主语通常为抽象名词argument/problem/question等

rise–rose-risen raise–raised-raised 不及物动词，意为“升起；上升”。表示向更高的位置移动

及物动词，意为“使……上升；举起”

___________ 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。

The river is rising after the rains.几场雨后河水不断上涨。

She raised her finger to her lips as a sign for silence.她把手指举到唇边，示意安静。

小试牛刀：

选词填空：arise；rise；raise ①

The housing prices keep ______________ in spite of the government's regulations. ②

How can we ______________ standards in schools? ③

Problems ______________from the lack of communication. 达标检测

根据题意要求完成下列句子

1.______________（在某种程度上）, you are right — her English has improved a lot.

2. He has ________________（处理）many complicated situations successfully so far. 3. The delay of the plan __________________ the lack of money.

计划的延迟是因为缺钱。

4. While ________________, he found a wallet in the park. 遛狗的时候，他在公园发现了一个钱包。

5. ___________________________(在……的帮助下)computers，you'll find it easy to share information. 6. It's her duty to _______________ these old men. 看守这些老人是她的职责。