人教版九年级下册英语精品教学课件 Unit 13 Section A (1a-2d)
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1. Turn off the lights when you leave a room. 关掉
2. stop riding in cars 3. stop using paper towels or napkins（餐巾， 餐巾纸）
4. recycle books and paper 回收利用 5. ...
some time to do sth.这一句型中，其中it 作形式主语。 e.g. It usually takes me 40 minutes to
cook the dinner.
2) spend多表示花费时间和金钱，主语通常是 人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.
3. Everyone in this town should play a part in
cleaning it up! play a part in 在……方面起作用
e.g. A good diet plays a large part in
helping people live longer. 健康的饮食在帮助人们长寿方面起着 非常大的作用。 play a part 在……中扮演角色
2. Factories that burn coal also __p_o_ll_u_t_e_ the air with a lot of blac too much rubbish and waste. People _a_r_e_t_h_r_o_w_i_n_g__a_w_a_y_ things every day.
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones
学练优九年级英语下（RJ） 教学课件
Unit 13
We're trying to save the earth!
Section A (1a-2d)
学习目标 Key words & phrases:
litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see stars in the sky.
The problem is that…
What should we do to save the earth?
We should write togthoeve_r__n_m__e_n_t____ and ask themcltoos_e_d__o_w_n_____ the factories. Everyone should helpctloea__n_u__p_____ the
river.
1c Role-play the conversation.
Key sentences:
1. The river was dirty. Even the bottom of the river was full of rubbish.
2. But it used to be so clean! 3. Yes, but people are throwing litter into the river.
e.g. The icy rain seemed like to turn into snow. 冻雨似乎又变成雪花的模样。
2. It’s good for health and it doesn’t cost anything! cost v. 花费；使付出 指花费金钱，主语通常是物。cost的过去式 和过去分词均为cost。
noise pollution air pollution water pollution __l_o_u_d_m__u_s_ic__ ___fa_c_t_o_r_ie_s__ ____s_h_i_p_s____ _m_o_b_i_l_e_p_h_o_n_e_s __s_m__o_k_in_g___ ___r_u_b__b_is_h___ b_u_i_ld__in_g__h_o_u_s_es ____ca_r_s_____ ___l_it_t_e_r_in_g___ ___p_la_n_e_s_____ b_u_il_d_in__g_h_o_u_s_es___f_a_c_t_o_ri_e_s__
e.g. She was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。
4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.
throw rubbish in the bins
Jason and Susan, what are your ideas for solving these problems?
Language points
1. This is turning beautiful places into ugly ones. turn… into… 把……变成……
litter和rubbish都可指“垃圾”，用作不可 数名词。 rubbish指“没用的东西(被扔或将要丢弃的 无用的东西)”不可回收。
litter指“(室内或公共场所)乱扔的废物(纸屑、 不要的包装纸、废瓶等)”还可回收。 e.g. Throw the rubbish out.
把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
2d Read 2d and complete the chart.
Problems air pollution
waste pollution
rubbish
Solving problems
take the bus, subway or ride a bike instead of driving
bring a bag to go shopping, never take wooden chopsticks or plastic forks but use the ones at home while buying takeway food
Pick up your litter after a picnic. 野餐后将废弃物收拾好。
Listen to the interview. Circle the
2a kinds of pollution that Jason and
Susan talk about.
A. land pollution C. noise pollution
What caused the problem?
People are throwilnitgte_r______ into the river. Factories are puttwinags_t_e____ into
the river.
How should the problem be solved?
1b Listen and complete the sentences.
What was the problem? The river was ____re_a_l_ly__d_i_rt_y_. Even the bottom (底部) of the river was full of ___r_u_b_b_i_sh_. There were no more ___f_i_sh_ for fishermen (渔民) to catch.
e.g. The new shirt cost Mr. Zhou 200 yuan. 周先生花了200元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？
take, spend, pay & cost
take，spend，pay和cost都可以表示“花 费”，但它们的用法各有不同。 1) take多表示花费时间，常用于It takes sb.
Make conversations using the pollution in 1a.
...
...
Language points
1. We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do sth.=try one’s best to do sth. 努力去做某事。
Read and learn
Words and expressions
Lead in
The earth is polluted.
air pollution
water pollution
The factories that burn Factories put waste coal pollute the air with into the river. a lot of black smoke.
B. air pollution D. water pollution
2b Listen again and complete the
sentences.
1. The air is badly polluted because there are _m__o_r_e_c_a_r_s__ on the road these days.
e.g. Every student should try to study hard in order to study in a good university. 为了进入一所好大学学习，每个学生 都应该努力学习。
2. Here are some words related to different kinds of pollution. be related to 与……有关 e.g. I am not related to him in any way. 我和他无任何关系。
4. People are also littering in _p_u_b_l_ic__p_la_c_e_s___ like parks. This is turning beautiful places into ugly (丑陋的) ones.
2c Use the information in 2a and 2b to role-play conversations between Jason and Susan.
mobile phone pollution
litter v. 乱扔 n. 垃圾
rubbish waste 垃圾 废弃物
noise pollution
There are more cars on the road.
Presentation
1a Here are some words related to different kinds
2. stop riding in cars 3. stop using paper towels or napkins（餐巾， 餐巾纸）
4. recycle books and paper 回收利用 5. ...
some time to do sth.这一句型中，其中it 作形式主语。 e.g. It usually takes me 40 minutes to
cook the dinner.
2) spend多表示花费时间和金钱，主语通常是 人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.
3. Everyone in this town should play a part in
cleaning it up! play a part in 在……方面起作用
e.g. A good diet plays a large part in
helping people live longer. 健康的饮食在帮助人们长寿方面起着 非常大的作用。 play a part 在……中扮演角色
2. Factories that burn coal also __p_o_ll_u_t_e_ the air with a lot of blac too much rubbish and waste. People _a_r_e_t_h_r_o_w_i_n_g__a_w_a_y_ things every day.
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones
学练优九年级英语下（RJ） 教学课件
Unit 13
We're trying to save the earth!
Section A (1a-2d)
学习目标 Key words & phrases:
litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see stars in the sky.
The problem is that…
What should we do to save the earth?
We should write togthoeve_r__n_m__e_n_t____ and ask themcltoos_e_d__o_w_n_____ the factories. Everyone should helpctloea__n_u__p_____ the
river.
1c Role-play the conversation.
Key sentences:
1. The river was dirty. Even the bottom of the river was full of rubbish.
2. But it used to be so clean! 3. Yes, but people are throwing litter into the river.
e.g. The icy rain seemed like to turn into snow. 冻雨似乎又变成雪花的模样。
2. It’s good for health and it doesn’t cost anything! cost v. 花费；使付出 指花费金钱，主语通常是物。cost的过去式 和过去分词均为cost。
noise pollution air pollution water pollution __l_o_u_d_m__u_s_ic__ ___fa_c_t_o_r_ie_s__ ____s_h_i_p_s____ _m_o_b_i_l_e_p_h_o_n_e_s __s_m__o_k_in_g___ ___r_u_b__b_is_h___ b_u_i_ld__in_g__h_o_u_s_es ____ca_r_s_____ ___l_it_t_e_r_in_g___ ___p_la_n_e_s_____ b_u_il_d_in__g_h_o_u_s_es___f_a_c_t_o_ri_e_s__
e.g. She was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。
4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.
throw rubbish in the bins
Jason and Susan, what are your ideas for solving these problems?
Language points
1. This is turning beautiful places into ugly ones. turn… into… 把……变成……
litter和rubbish都可指“垃圾”，用作不可 数名词。 rubbish指“没用的东西(被扔或将要丢弃的 无用的东西)”不可回收。
litter指“(室内或公共场所)乱扔的废物(纸屑、 不要的包装纸、废瓶等)”还可回收。 e.g. Throw the rubbish out.
把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
2d Read 2d and complete the chart.
Problems air pollution
waste pollution
rubbish
Solving problems
take the bus, subway or ride a bike instead of driving
bring a bag to go shopping, never take wooden chopsticks or plastic forks but use the ones at home while buying takeway food
Pick up your litter after a picnic. 野餐后将废弃物收拾好。
Listen to the interview. Circle the
2a kinds of pollution that Jason and
Susan talk about.
A. land pollution C. noise pollution
What caused the problem?
People are throwilnitgte_r______ into the river. Factories are puttwinags_t_e____ into
the river.
How should the problem be solved?
1b Listen and complete the sentences.
What was the problem? The river was ____re_a_l_ly__d_i_rt_y_. Even the bottom (底部) of the river was full of ___r_u_b_b_i_sh_. There were no more ___f_i_sh_ for fishermen (渔民) to catch.
e.g. The new shirt cost Mr. Zhou 200 yuan. 周先生花了200元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？
take, spend, pay & cost
take，spend，pay和cost都可以表示“花 费”，但它们的用法各有不同。 1) take多表示花费时间，常用于It takes sb.
Make conversations using the pollution in 1a.
...
...
Language points
1. We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do sth.=try one’s best to do sth. 努力去做某事。
Read and learn
Words and expressions
Lead in
The earth is polluted.
air pollution
water pollution
The factories that burn Factories put waste coal pollute the air with into the river. a lot of black smoke.
B. air pollution D. water pollution
2b Listen again and complete the
sentences.
1. The air is badly polluted because there are _m__o_r_e_c_a_r_s__ on the road these days.
e.g. Every student should try to study hard in order to study in a good university. 为了进入一所好大学学习，每个学生 都应该努力学习。
2. Here are some words related to different kinds of pollution. be related to 与……有关 e.g. I am not related to him in any way. 我和他无任何关系。
4. People are also littering in _p_u_b_l_ic__p_la_c_e_s___ like parks. This is turning beautiful places into ugly (丑陋的) ones.
2c Use the information in 2a and 2b to role-play conversations between Jason and Susan.
mobile phone pollution
litter v. 乱扔 n. 垃圾
rubbish waste 垃圾 废弃物
noise pollution
There are more cars on the road.
Presentation
1a Here are some words related to different kinds