目標：
一、知識目標：
1.能夠讀懂、聽懂天氣預報以及對天氣狀況的描述和預測。
2.根據天氣情況為他人提出建議并給出原因。
3.掌握目標語言：
（1）詞匯：camera, umbrella, pleasant, southeast, from time to time, fall, possible……
（2）短語：the best time to , in winter, take photos of , compared to ……
（3）句型：It’s not to hot.
The best plan is to arrive in New England in September.
It’s a good idea to bring your camera……
（4）語法功能：能夠就某一問題給出建議，并使用連詞because ,so,but寫出原因和說明。
二、情感態度
學會在旅游中解決學習與生活中的實際問題，培養學生愛護大自然，保護環境。
三、學習策略
能夠關心他人，為他人排憂解難，解決學習與生活中的實際問題。
四、學習任務：能夠就選擇最佳時機來中國游玩提出建議。
Teaching steps:
Step1：Warming-up
Ｔ：We all know well about our hometown. Can you talk about the weather of four seasons in our hometown? what’s the weather like in spring, summer, autumn and winter in our hometown?
Ss: Work in pairs to talk about the weather about our hometown.
Step2：In put
Activity1
T: Show some pictures about three cities in America (Washington D.C, New York, Los Angeles), ask them if they know the names of the city and the seasons of the city.
Ss:Work in groups to talk about the pictures.
Activity2
T: The best time to visit America depends which part of America you are going to visit. Read the passage and find out :How many places in America are mentioned in the passage? What are they?
Ss: Read the passage quickly and circle the names of the cities.
Step3：Practice
Activity1
Teacher’s activity
Read the example with the class
Ask them to complete the activity individually, and then check with a partner.
Ss’ activity
Read the passage quickly.
Complete the activity and check the answers each other Activity2
T: Let the students read the passage carefully and complete the sentences on P91.
Ss: Read the passage and fill in the blanks then check with their partners.
Activity 3
T: Read the passage again and talk about the advice .
Ss : Ask and answer in pairs.
Step4：Writing
T: If you are a tour guide ,some visitors want to visit your hometown or your city ,you should give them some advice and give the reasons by using because ,so and but.
Ss:Write a passage to talk about your city or hometown.
Step5：Feedback
Exercises:
一．根據漢語提示完成句子
1.Do you have a _________ (照相機)?
2.The colour ________（雨傘 ）are beautiful.
3.How many ______（國家）are there in the world?
4.He is ________（穿）a black suit.
5.American call “autumn”_______（秋天）
二．根據漢語完成句子
1.下周日天氣會怎樣？
_______ ________ the weather _________ _________ next Sunday?
2.英國的冬季總是溫暖而潮濕。
It’s always ________ and ________ _________ winter in England.
3.何時是參觀你們國家的最佳時間？
________ is the _________ time ________ __________ your country?
4現在出去散步怎么樣？
_________ _________ going out ________ a walk now?
5北京是中國最大的城市之一。
Beijing is ________ _________ ________ __________ cities in China.
6.這里有時候下雨
It rains ________ _________ _______ ___________ here.
7.帶上游泳衣是一個好主意。
It’s a good idea _________ __________ the swimming clothes with you.
環節六：Summing-up
T:This class we have finished unit 2, do you have any problems about this unit? You can discuss with your partner.
Ss: Work in groups to talk about their problems. They can get help from each other and their teacher.
總結：
一.動詞不定式用法
1. 作主語
動詞不定式作主語時，句子的謂語動詞常用單數，其位置有以下兩種：
(1)把不定式置于句首。如：
To bring your camera is a good idea.
(2)用it作形式主語，把真正的主語不定式置于句后，常用于下列句式中。如：
It＋be＋名詞＋to do
It's a good idea to bring your camera.
It＋be＋形容詞＋for sb＋to do
It is difficult for us to finish writing the composition a quarter of an hour. .
2.作表語
不定式作表語表示具體動作或將來動作；動名詞作表語表示抽象的一般行為。
(1).Our work is serving the people.
(2).What he likes is taking a walk after supper.
(3).The story told by Mr.Wang is interesting.
3.作定語
(1)不定式作定語
不定式在句中作定語，置于被修飾的名詞或代詞之后。如：
The next train to arrive is from Washington.
Do you have anything to say on the question?
Step7：Homework
Do workbook P152 Exercrises2 and 3.
檢測題：
一．單項選擇
1.Please be quiet, children. ________ talk so loudly in the church, will you?
A.Don’t B. Mustn’t C. Can’t D. Shouldn’t
2.? Mr Jackson, must I finish my homework in class now?
- No, you ________. You can do it at home and hand it in tomorrow.
A. mustn’t B. may not C. don’t have to D . can
3.-Must I return the book this morning?
-No, you _______ . But you __________ to return it before next Monday.
A. needn’t , must B. mustn’t , may C. mustn’t , can D. needn’t, need
4.Bill’s mother often tells him ________ spend too much time playing computer games.
A. not to B . to not C. don’t D. doesn’t
5.Your advice sounds _____ . We’ll have another meeting to discuss it then.
A. good B.well C. loud D. loudly
二．連詞成句
1.freezing, cold, is, it, isn’t?
___________________________________________
2.it, will , snowy, be?
___________________________________________
3.probably, hot, and , be, wet, it, will.
___________________________________________
4.it, be, quite, may, cool.
___________________________________________
5..the, when, is , best, city, your, time, to, visit.
__________________________________________
參考答案：
一．1.A 2.C 3. A 4.A. 5. A
二．1.It is freezing cold, isn’t it?
2.Will it be snowy?
3. It will probably be hot and wet.
4.It may be quite cool.
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