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新概念英语2B Unit21

更新时间:2023-08-12 08:36:41 阅读：评论：0

课题

复习Unit 19-21

重难点解析

1.四会：会听、会说、会读、会写U19-21的单词；

2.能正确运用一般过去式描述过去发生的事情；

3.掌握一般过去式不规则动词；

4.掌握将来时的用法；

课堂教学步骤及

内容

【课前检测·U19-21】

翻译下列的句子：

白天气温会升至12摄氏度，夜间气温会降到4摄氏度。

从今天起，会刮起西南风，风会从大西洋带来暖空气，也会带来一些降雨。

我看了看午餐盒，发现了脆脆卷。

上个月十分干冷，接下来的几天情况会有所变化。文静的英文

当天晚上，一只松鼠闯进了这个“防松鼠”喂鸟器。

你是一名很成功的模特。

我想过平凡的生活

这是我最后一次拍时装照了。

【复习·U19】

一、重要句子：

timi是什么意思

a. Well, I bought it becau of the label. This bird feeder is squirrel-proof.

我是因为标签上写着“防松鼠喂鸟器”才买的。

b. That night, a squirrel broke into the ‘squirrel-proof’ bird feeder.

当天晚上，一只松鼠闯进了这个“防松鼠”喂鸟器。

c. The squirrel’ s tummy became enormous.

松鼠的肚子撑得大大的。

d. A dead squirrel in my bird feeder, outside my kitchen window!

厨房窗户外的喂鸟器里有只死松鼠。

e. But what’ s the u of that?

但这又有什么用呢？

二、根据Lesson 37的对话，口头回答下列问题：

1.Why Polly buy the bird feeder?	2.What did Polly cut down?
3.What did Polly put in the bird feeder?	4.After Polly took the bird feeder to the shop, what happened?
5.Where did Polly hang the bird feeder?	6.What happened to the squirrel’ s tummy?
7.Who ate all the nuts?

三、语音（辅音的浊化与元音发音的长短）

不客气英文

Voicing and vowel length	ice/eyes	write/ride	plate/played
Voicing and vowel length	hat/had	backs/bags

【复习·U20】

一、重要句子：

f. I want to tell you something, Daisy.

我要告诉你一些事情，黛西。

g. This will be my last fashion shoot.

这是我最后一次拍时装照了。

h. I’ m going to get an ordinary job in an office.

我要找一份普通的办公室工作。

i. You’ re a very successful model.

你是一名很成功的模特。

j. And I want an ordinary life.

我想过平凡的生活。

k. It’ ll be wonderful.

那就太棒了！

二、根据Lesson 39的对话，口头回答下列问题：

1. Is Nina an unsuccessful model?	7. Where will she go in the evening?
2.Does she want a special life?	8. Where will she cook, and who will she eat them with?
3. In an office job, will she work late in the evening?	9. Who will she meet, maybe, one day?
4. Will she sleep in a different bed every night?	10. What kind of life will they have together?
5. What kind of life does Nina want?	11. What will that be like?
6. What hours will she work in an office job?

三、语音（爆破音的省略）

Elision of plosives	want to change	last Monday
Elision of plosives	won’ t she	friends

【复习·U21】

一、重要句子：

l. And now it’ s time to nine, and time for the weather forecast.

现在是8点55分，是天气预报时间。

m. Last month was unusually cold and dry. But all that will change in the next few days.

上个月十分干冷，接下来的几天情况会有所变化。

n. From today, the wind will be blow from the south west. It will bring in warm air from the Atlantic.

从今天起，会刮起西南风，风会从大西洋带来暖空其，也会带来一些降雨。

o. The whole country will have some rain showers in the next three days.

接下来的3天全国都会有阵雨，有时雨会很大。

p. Temperature will ri to 12 degrees Celsius in the day. Night temperature will fall to 4 degrees Celsius.

白天气温会升至12摄氏度，夜间气温会降到4摄氏度。

q. And the outlook for next weekend: the three w’ s -- warm, wet and windy.

预计下周末天气会是3W--温暖、湿润、有风。

二、根据Lesson 41的对话，口头回答下列问题：

1. What was the weather like last month?	5. What will the whole country have in the next tree days?
2. Where will the wind blow from?	6. What will day and night temperatures do?
3. What air will it bring in from the Atlantic?	7. What will it feel like over the hills?
4. When will air rain come in from the south west?	8. What are the ‘three w’ s’?

三、语音（介词的弱读）

Weak forms: prepositions

`time for the `forecast `rain from the `south desperate什么意思at the `studio

【Units 19-21语法知识】

一、一般将来时

1. be going to 和will的用法区别

(1)be going to含有“计划、打算、准备”的意思，而will则没有这个意思。如：

Annie is going to the supermarket.安妮准备去超市。

(2)be going to 表示根据主观判断将来肯定要发生的事情，而will表示客观上将来势必要发生的事情。如：

Look at the cloud! It’s going to rain .看乌云！要下雨了！

2. be going to结构和will结构的比较：会计常用软件

(1)主语+be going to+动词原形+其他. 如：

He is going to buy a new car.他准备买辆新的小汽车。

(2)主语+will/shall+动词原形+其他.如：

He will buy a new car.

3. 用于一般将来时和一般过去时的时间标志词：

(1)一般将来时：tomorrow; the day after tomorrow; next Monday; next month等。

(2)一般过去时：yesterday,; the day before yesterday; last Sunday; last week; two days ago等。

二、不规则动词的过去式

irregular verbs
Infinitive	Simple past
bring	brought
get up	got up
give	gave
leave	left
meet	met
run	ran
say	said
sleep	slept
take	took
tell	told
win	won
write	wrote

【Units 19-21阶段大练兵】

1、写出下列单词的过去式。

dulles

1. tell	_____________	11. e	_____________
2. buy	_____________	12. put	_____________
3. hang	_____________	13. break	_____________
4. eat	_____________	14. become	_____________
5. go	_____________	15. cut	_____________
6. give	_____________	16. get	_____________
7. want	_____________	17. sleep	_____________
8. write	_____________	18. run	_____________
9. meet	_____________	19. leave	_____________
10. bring	_____________	20. say	_____________

2、将方框中的时间词分类。

3、按照要求改写句子。

1. We’ ll have some rain next week. （用last week改写）

______________________________________________________________________

2. They’ ll move to New York in two months. （对划线部分提问）

______________________________________________________________________

3. She bought a hou one year ago. （改为一般疑问句）

______________________________________________________________________

4. Jack went to the cinema with his sister. （对划线部分提问）

______________________________________________________________________

5. She will go to school tomorrow. （改为否定句）

______________________________________________________________________

4、单项选择。

1. -- _____ did you finish your homework?

-- One hour ago.

A. How	B. Why	C. When	D. Who

2. -- Now it’ s twenty to eleven, and time _____ sleep.

A. with	B. at	C. for	D. of

3. --What happened?

-- Well, a burglar _____ the hou and took my money away.

A. broke into	B. broke in	C. broke to	D. broke

4. -- When ____ the country have some rain showers?

lenkatheshow歌词 -- In the next three days.

A. did	B. do	C. is	D. will

5. Paul and Jack ____ to the park tomorrow.

A. go	B. went	C. will go	D. going

6. Let’ s _____ over to Carla at the London Weather Centre.

A. go	B. get	C. be	D. have

5、写作。

请根据表格内容写一篇短文，介绍你昨天做过的事和明天的计划。注意一般过去时和一般将来是的运用。

要求：1. 语句连贯，语法正确；

2. 60字词左右。

yesterday	tomorrow
morning: do homework; wash clothes	2015高考全国卷morning: go to the library; do some shopping
afternoon: play football	afternoon: have a swim
evening:go to Lucy’ s party	evening: go to the cinema

__________________________________________________________________________________

作业布置

U19-21同步基础过关练习:

根据短文内容，选择最佳答案。

Hello! I’ m Alex. I often get up at Half an hour later I have my breakfast. At 7. I take a bus to school. I have Maths, Chine and English class from 8. I have lunch talk with my classmates at school. I have three class from 1. to 4.10. p.m. in the afternoon. After school. I often play with my classmates. We often play soccer, tennis and ping-pong. I go home at about 5. I usually have dinner at 6. Then I do my homework and watch TV. At about 10., I go to bed.

roewe

A. At half past six	B. At ven	C. At six forty	D. At ven thirty

1. When does Alex go to school in the morning?

2. Alex eats breakfast at ________.

A. six	B. ven	C. ven thirty	D. eight

3. How long does it take Alex to have breakfast?

A. Thirty minutes	B. An hour	C. Ten minutes	D.Twenty minutes

4. Alex eats lunch _______.

A. at school	B. at home	C. in a restaurant	turnto D. at a hotel

5. Alex usually ______ before he goes to bed.

A. plays computer games	B. takes a shower
C. listens to music	D. watches TV

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