北师大课标版高中英语必修4Unit 10Lesson3(共42张PPT)
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remove, approximately, erosion, balance, puzzle, importance, contain, economy
1. _A_p_p_r_o_x_i_m_a_t_e_l_y 10,000 people took part in the tree-planting exercise.
3. It is a huge job to control Yellow River erosion. to control used as Subject
4. This helps to develop local economies. to develop used as Object of “help”
4. think twice about 再三考虑、仔细考虑 e.g. You should think twice about employing someone you have never met .
5. It is + adj. (for sb.) to … 对某人来说做某事… e.g. It is a huge job to control Yellow River Erosion.
1、I lost my watch in the park. I did lose my watch in the park.
2、He likes music. He does like music.
强调谓语动词时，用助动词do、 does、did。
1、It is he who/that likes music. Is it he who/that likes music?
Play computer games
Enjoy a wonderful life
If you have five yuan, what would you buy?
fruit ?
CD ?
ice cream ?
The Yellow River
The river is not clear, why?
Do you get pocket money from your parents? How much pocket money do you get each month?
How do you spend your pocket
money？
Go shopping
Go traveling Eat delicious food
the text? The Yellow River
2. What’ s the problem with the Yellow River?
1. Every year, about _1_.6_ billion tons of sand flows into the Yellow River.
2. Over time, _th_e_ _r_e_m_o_v_a_l_o_f_s_a_n_d__ has caused serious _so_i_l _e_r_o_si_o_n_.
3. what is more 而且, 更重要的是 同义词有: furthermore, moreover, besides e.g. He came home after midnight, and what’s more, he was drunk. The house is too small, and furthermore, it’s too far from the office.
B. It was + 介词 + 时间点/时间段
+ that +… C. It was + because 从句
because of +名词
Read these sentences from the text. Underline the infinitives and discuss how they are used.
1. The soil contains materials to keep the natural balance of the area. to keep used as Attributive
2. …this has destroyed almost all the land, and has forced many local farmers to move to other areas. to move used as Object complement
What can we prevent from soil erosion? plant trees
If your five yuan can buy a tree, would you like to buy it?
Your 5 yuan can have so much effect? Read the text: When Less Is More
The water is not clear, why?
Every year, approximately 1.6 billion tons of sand flows into the Yellow River.
soil erosion
The soil is too poor to grow crops.
2. agree with sb. 同意赞同某人(的意见) agree on 在……方面取得一致意见 agree to do sth. 同意做某事 e.g. Tom asked me if my wife agreed __to__ spend the holiday in the north. I said that she agreed __to__ do it, so we agreed __o_n__ a date for it, and my wife agreed _w_i_t_h_ us.
Байду номын сангаас
1. appeal to sb. 使喜欢，吸引…… e.g. Does this idea appeal to you? The programme especially appeals to young children. appeal to sb. to do sth. 呼吁某人做某事 e.g. She appeal to the kidnappers(绑匪) to release her son. The government is appealing everyone to save water.
2. Many farming areas in Shaanxi Province are affected by soil _e_r_o_si_o_n_.
3. Farmers know the _i_m_p_o_r_t_a_n_c_e_ of stopping erosion.
4. This cup _c_o_n_t_a_in_s_ water but that one is empty.
True, False, No Information
F 1. With the money of selling trees, farmer can buy goods or services.
NI 2. Now government has taken measures to make everyone buy a young tree with 5 yuan.
5. I feel _p_u_z_z_l_es_ why Ken wears black all the time.
6. Farming plays an important role in the country’s e_c_o_n_o_m__y_.
7. It’s important to keep a _b_a_l_a_n_c_e_ between making and spending money.
2、Did she lose her watch in the park?
Was it in the park that she lost her watch? 一般疑问句:
Is/Was+ it+被强调部分+that/who…
1、What does he want to do? What is it that he wants to do?
Because we can use it to buy a tree, which helps prevent erosion.
6. Which example is given to show that 5 yuan can help to develop a local economy?
The Jiuchengong Valley in Inner Mongolia.
Main idea of each paragraph.
Para. 1 Para. 2 Para. 3
Para. 4 Para. 5
a. A success of a tree-planting programme in Inner Mongolia.
b. You can use 5 yuan to buy a tree and create a green future.
3. In which area has soil erosion almost destroyed farming land?
Shanxi Province
4. What can people do to help stop soil erosion?
Plant trees
5. Why does the writer say 5 yuan is important?
8. Please _r_e_m_o_v_e_ your dirty shoes from the bathroom.
强调句
It is/was +被强调部分+that/who…
被强调部分是人时, 用that/who都可以, 其它
情况一律用that。 被强调部分可以是
句子的主语、宾语、状语 。
I lost my watch in the park. It was I that/who lost my watch in the park. It was my watch that I lost in the park. It was in the park that I lost my watch.
F 3. Five yuan is too little, you can give more money to plant more trees.
T 4. Planting more trees reduces soil erosion and makes soil fertile.
1. Which river is being talked about in
2、How did you succeed? How was it that you succeeded?
特殊疑问句: (What/Which/Who/When/Where/How /Why )+is/was +it+ that…?
强调句的固定句型
A. It was not until + 时间状语/状语从句 + that + …
Voice your opinion
Think about the local environment you live in. What can you and your friends do to improve it?
Vocabulary Practice
Read these words together
c. Everybody plays an important role in stopping Yellow River erosion.
d. It is a huge job to control Yellow River erosion.
e. The removal of sand is the main cause of Yellow River erosion
1. _A_p_p_r_o_x_i_m_a_t_e_l_y 10,000 people took part in the tree-planting exercise.
3. It is a huge job to control Yellow River erosion. to control used as Subject
4. This helps to develop local economies. to develop used as Object of “help”
4. think twice about 再三考虑、仔细考虑 e.g. You should think twice about employing someone you have never met .
5. It is + adj. (for sb.) to … 对某人来说做某事… e.g. It is a huge job to control Yellow River Erosion.
1、I lost my watch in the park. I did lose my watch in the park.
2、He likes music. He does like music.
强调谓语动词时，用助动词do、 does、did。
1、It is he who/that likes music. Is it he who/that likes music?
Play computer games
Enjoy a wonderful life
If you have five yuan, what would you buy?
fruit ?
CD ?
ice cream ?
The Yellow River
The river is not clear, why?
Do you get pocket money from your parents? How much pocket money do you get each month?
How do you spend your pocket
money？
Go shopping
Go traveling Eat delicious food
the text? The Yellow River
2. What’ s the problem with the Yellow River?
1. Every year, about _1_.6_ billion tons of sand flows into the Yellow River.
2. Over time, _th_e_ _r_e_m_o_v_a_l_o_f_s_a_n_d__ has caused serious _so_i_l _e_r_o_si_o_n_.
3. what is more 而且, 更重要的是 同义词有: furthermore, moreover, besides e.g. He came home after midnight, and what’s more, he was drunk. The house is too small, and furthermore, it’s too far from the office.
B. It was + 介词 + 时间点/时间段
+ that +… C. It was + because 从句
because of +名词
Read these sentences from the text. Underline the infinitives and discuss how they are used.
1. The soil contains materials to keep the natural balance of the area. to keep used as Attributive
2. …this has destroyed almost all the land, and has forced many local farmers to move to other areas. to move used as Object complement
What can we prevent from soil erosion? plant trees
If your five yuan can buy a tree, would you like to buy it?
Your 5 yuan can have so much effect? Read the text: When Less Is More
The water is not clear, why?
Every year, approximately 1.6 billion tons of sand flows into the Yellow River.
soil erosion
The soil is too poor to grow crops.
2. agree with sb. 同意赞同某人(的意见) agree on 在……方面取得一致意见 agree to do sth. 同意做某事 e.g. Tom asked me if my wife agreed __to__ spend the holiday in the north. I said that she agreed __to__ do it, so we agreed __o_n__ a date for it, and my wife agreed _w_i_t_h_ us.
Байду номын сангаас
1. appeal to sb. 使喜欢，吸引…… e.g. Does this idea appeal to you? The programme especially appeals to young children. appeal to sb. to do sth. 呼吁某人做某事 e.g. She appeal to the kidnappers(绑匪) to release her son. The government is appealing everyone to save water.
2. Many farming areas in Shaanxi Province are affected by soil _e_r_o_si_o_n_.
3. Farmers know the _i_m_p_o_r_t_a_n_c_e_ of stopping erosion.
4. This cup _c_o_n_t_a_in_s_ water but that one is empty.
True, False, No Information
F 1. With the money of selling trees, farmer can buy goods or services.
NI 2. Now government has taken measures to make everyone buy a young tree with 5 yuan.
5. I feel _p_u_z_z_l_es_ why Ken wears black all the time.
6. Farming plays an important role in the country’s e_c_o_n_o_m__y_.
7. It’s important to keep a _b_a_l_a_n_c_e_ between making and spending money.
2、Did she lose her watch in the park?
Was it in the park that she lost her watch? 一般疑问句:
Is/Was+ it+被强调部分+that/who…
1、What does he want to do? What is it that he wants to do?
Because we can use it to buy a tree, which helps prevent erosion.
6. Which example is given to show that 5 yuan can help to develop a local economy?
The Jiuchengong Valley in Inner Mongolia.
Main idea of each paragraph.
Para. 1 Para. 2 Para. 3
Para. 4 Para. 5
a. A success of a tree-planting programme in Inner Mongolia.
b. You can use 5 yuan to buy a tree and create a green future.
3. In which area has soil erosion almost destroyed farming land?
Shanxi Province
4. What can people do to help stop soil erosion?
Plant trees
5. Why does the writer say 5 yuan is important?
8. Please _r_e_m_o_v_e_ your dirty shoes from the bathroom.
强调句
It is/was +被强调部分+that/who…
被强调部分是人时, 用that/who都可以, 其它
情况一律用that。 被强调部分可以是
句子的主语、宾语、状语 。
I lost my watch in the park. It was I that/who lost my watch in the park. It was my watch that I lost in the park. It was in the park that I lost my watch.
F 3. Five yuan is too little, you can give more money to plant more trees.
T 4. Planting more trees reduces soil erosion and makes soil fertile.
1. Which river is being talked about in
2、How did you succeed? How was it that you succeeded?
特殊疑问句: (What/Which/Who/When/Where/How /Why )+is/was +it+ that…?
强调句的固定句型
A. It was not until + 时间状语/状语从句 + that + …
Voice your opinion
Think about the local environment you live in. What can you and your friends do to improve it?
Vocabulary Practice
Read these words together
c. Everybody plays an important role in stopping Yellow River erosion.
d. It is a huge job to control Yellow River erosion.
e. The removal of sand is the main cause of Yellow River erosion