教学意图
 
 教师活动
(Teacher’s activities)
 
 学生活动
(Students’activities)
媒体使用
Step1
复习关于食物方面的单词并提高学生的学习热情,给一节课铺垫一个好的开端。
 
 Take out a bag, there is a lot of food, drink and fruit in it.
“Attention ,please! I have put a lot of food, fruit and drink in it, can you guess what they are?”
→ If the student guessed out, I would give him the food for praise.
Guess the food.
Use “there be” sentence pattern.
“Is there any…?”
未使用媒体
Step2
通过对学生提问先前布置的作业,复习重点句型,然后明确任务,要求学生以组为单位完成任务,在此过程中,通过与计算机,美术等学科的整合,激发学生的学习热情与想象力,发掘他们的多元智能,增强他们小组合作的能力,增进同学间的友情和集体的凝聚力。
“Last lesson, for your homework, I divided you into 9 groups. I requested every group to introduce one kind of food, right? Now, can you tell me what’s your group’s favourite food?”
→“Ok, they introduce ….Do you like …? Do you want to know how to make a …? So, can your members tell us the recipe of the food? What do we need to make a …? Everyone of you tells us one kind of materials, ok?”
→“I like … very much, but I don’t know how to make it? Does any group introduce …? Can you tell me the recipe of it?”
→Ok, now I know the recipes of … and …. What’s more, I also requested you to make a piece of powerpoint, on the right is the picture, and on the left is the recipe, right? Today I hope you to finish the work.. Here are my requests.
找到每种原料相对应的图片,并至少在图片旁边标注上名称;
图片来源只能从我在桌面上“Food”的文件夹中选取;
完成一篇关于这种食物的介绍,至少要有原料,其余方面可自由发挥, 比如“color, price, taste, history…”,还可利用已查到的现有资料,八仙过海,各显神通。看看最后哪个组作品最出色;
You just have 22 minutes, is that enough? Discuss in English as possible as you can. Pay attention to your volume.-----Begin!
Tell me the food they introduced.
→Everyone of the group members tells us a kind of materials.
use “We need …” sentence pattern.
学生每人使用一台电脑。小组成员都必须参与,分工合作,各司其职。有查找图片,组织文字,排版等不同工作。
 
 Step3
教师负责引导性及监督性工作。
 
 Help the students to finish the work.
4 in group to finish the work.. Everyone of them must take part in the activity.
学生每人使用一台电脑。
Step4
展示学生作品,大家互相交流,给予学生肯定,同时提出希望。
 
 Which group has finished? Can you show us your work? Everyone of you introduce a piece of the powerpoint, ok?
Show their work and introduce it.
 
教师控制整个系统,共同欣赏学生作品。
Step5
小结本单元要点,表扬学生的合作成果及融洽合作的表现,同时在学习及情感方面提出更高的要求
Time is up. But don’t worry. I will show the other work next time. Today we have reviewed the words about food, and two sentence patterns. 同时,我们今天这么些好的作品,是我们小组成员互相合作的结果。希望今后我们班同学可以互相帮助,共同进步。
For your homework, finish the powerpoint, and write a passage about your favourite food. 
 
不使用媒体。

3. 不定冠词 a/an

(1)概述:a/an 常用于可数名词单数前,起泛指作用。

(2)用法:

A.表示数量“一个”.如:I have a brother and two sisters.

B. 表示“每一个”。如:we go home twice a week.

C. 表示“某一个”。如:a girl often comes to see them.

D. 表示一类人、物。如:This is a chair and that’s a desk.

E.用在习惯用语中。如: a lot of , have a talk, Have a rest, have a good time.

(3)说明:a用在辅音之前,如:a book, a useful book;

An用在元音之前,如:an “s” , an hour.

典型例题

例:    Do you swim?

   Twice a week.

A. How long  B.  How much  C. How often  D. How many  

解析:疑问副词how 可以和不同的形容词或副词搭配,构成固定的疑问词组:how long“多长;多久”,通常对一段时间提问;how much“多少”,通常对修饰不可数名词前的定语提问,也可以询问“价格”“时间”等;how many“多少”,是对可数名词前的数词进行提问;how often“多久”,通常是对周期性的时间状语提问。

浏览题干及选项,应答部分显然是个周期性的时间状语。

答案C。

例2.

(1)One morning he found a bag . There was     “s” on the corner of     bag.

(2)There is     egg on the table.     egg is for you .

A. a; a(A)

B. a; the(The )

C. an; an(An)

D. an; the (The)

解析:在上下文中如果同一个人或物反复出现几次,第一次提到时用不定冠词;以后重复出现则表示特指,用定冠词。不定冠词an用在元音音素开头的名词或词组之前。

答案:D;D

考题前沿

题1(2004。湖南长沙市卷)

Can I help you, sir?

Yes, i,d like five    and some peas.

             i.        potato  B. tomatoes  C. meat  D. banana

解析:此题考查名词的复数形式。名词的复数形式一般在词尾加s或es,如:banana→bananas, tomato→tomatoes, potato→potatoes.不可数名词没有复数形式。如:meat.

答案:B。

题2(2004江苏南京市卷)

Can I hep you, madam?

i,m looking for   pair of shoes for my daughter.

A.    the  B. an  C. a  D. some

解析:此题考查定冠词和不定冠词的用法。定冠词表特指,不定冠词表泛指。an 用于以原音发音的单词前,因此本题选C。

答案:C。

题3(《21世纪报(初中版)》2004年中考模拟试题)

I was listening to   wonderful piece of music when there was   knock on the door.

A. a; an  B. /; a  C. a; a  D. the ;the

解析:此题考查不定冠词的用法。表示数量“一个”,用不定冠词,且knock以辅音开头,所以其前面加a; music是不可数名词,但其前面有修饰词piece,表示“一只曲子”,所以也用不定冠词,开头的形容词wonderful首个音素为辅音。故用a.

答案:C。

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