新人教部编版九年级英语下册第5课时(B 3a-Self Check) (3)

16.付费；付出代价 17.加起来 18.采取行动 19.好好利用 20.拆下；摧毁
pay for add up take action put sth. to good use pull ... down
3a Think about the environment in your town /
6.起作用；有影响 7.导致 8.切除 9.不但……而且…… 10.对……有害
make a difference lead to cut off not only…but also… be harmful to
11.在……顶部或顶端 12.科学研究 13.参加 14.帮助解决难题 15.关掉
at the top of scientific study take part in help out turn off
air pollution
Reduce the number of factories that burn coal.
课堂小结：写作
阐述观点和重要 性，引出下文
提出保护环境的 具体建议
提出号召和倡议
A clean environment can… But now is has become…
stop driving our private cars; sort the rubbish in different kinds; turn off the lights…
Then, give suggestions or possible ways to solve the problems.
➢ I think that… ➢ We should/ could… ➢ I suggest…
Topic
To protect the environment
➢ 思路点拨
and poisonous gas are given off by factories. Factories
also put waste into the river. And wherever we go, we
can find rubbish.
说明原因
提出建议 Now more and more people have realized these problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest everyone in this town should help to clean up the river and the streets. We should call on everyone in the town to throw rubbish in the dustbins. 寄予期望 I hope the problem will be solved in the near future and our home will become better and better.
Self Check
1. Write different forms of the words. Then add more to each group.
v.— n.
pollute —— pollution act —— action protect —— protection inspire —— inspiration
air pollution
water pollution
Environmental problems
noise pollution
…
What caused these problems?
cars factories
… individual
➢ 句型复习
1. 这条河很脏，甚至河底都堆满了垃圾。 The river was __d_i_r_ty__. Even the _b_o_t_to_m___o_f the river __w_a_s_f_u_l_l _o_f _ rubbish.
different —— difference important —— importance Others: sunny ——sun
noisy —— noise harmful —— harm beautiful ——beauty
adj. — adv.
slow —— slowly wide —— widely sudden —— suddenly real —— really
He is getting taller and taller.
3. WБайду номын сангаасite ways to cut down on these kinds of pollution.
Kinds of pollution
Ways to cut down
water pollution land pollution
of the river.
…take action…
Exercise
1. Not only my friends but also I ______ interested
in football and Messi is our favorite star.
A. be B. am C. is D. are
2. Look! The police ______ the food onto the bank
6. 你经常扔掉你不再需要的东西吗？ Do you often _th_r_o_w__a_w__a_y things you _d_o_n_’_t_n_e_e_d_ anymore?
写作模板：
1.开篇点题，说明环境污染问题的严峻性。 Environmental problems are…
2.说明环境污染的原因 With the …, there are too many… Cars have made… Black smoke and…by factories. Factories also… And wherever…
city and complete the chart below.
Which parts of the town / city have a nice environment? Why are they nice?
Which parts need to be improved? Why?
Good environment
Present progressive
We have seen many changes in the environment.
Modal verbs
People should take public transportation more.
Passive voice
The river is polluted by factories.
2. 为了减少空气污染，我们应该乘公共汽车或坐地 铁来代替开车。 To _c_u_t_d_o_w__n_ air pollution, we should take the bus or subway _i_n_s_te_a_d__o_f_d_r_i_v_in_g__.
3. 我们齐心协力就能带来变化，创造更加美好的 未来。 Our _a_c_t_io_n_s_can _m__a_k_e_a__d_if_f_er_e_n_c_e_ and __le_a_d__to__ a better future.
Ask factories not to throw waste into rivers.
Try not to use plastic bags when shopping.
Kinds of pollution
Ways to cut down
noise pollution Cut down the number of cars.
build —— building create —— creation
n. — adj.
fame —— famous wood —— wooden science —— scientific health —— healthy south —— southern care —— careful
adj. — n.
quick —— quickly true —— truly happy —— happily loud —— loudly
2. Match each statement with the grammar structure.
Statement
Grammar
The river used to be so clean.
more serious all over the world.
With the development of the society, there are too
many cars on the streets in our city. Cars have made
the air unhealthy for people to breathe. Black smoke
•full of pests like rats, insects,
cockroaches
3b Write a letter to the city mayor about the
problems and your suggestions.
In your letter, describe the environmental problems in your town/city. What are the problems? Where are they? What or who is causing these problems?
Unit 13 We’re trying to save the earth!
Section B 3a-Self Check
R·九年级下册
Phrases review
1. 充满 2. 扔进 3. 在……起作用 4. 扔掉 5. 减少
be full of throw…into play a part in throw away cut down
Why?
Central park
•clean •greenery •fresh air •nice to look at •quiet and peaceful
Bad environment
Why?
•rubbish spilling out of bins
•bad smells Rubbish disposal •unsightly areas at the bottom of apartment blocks •unhealthy
4. 骑自行车还有其他的优点。 There are _o_t_h_e_r_a_d__v_a_n_ta_g_e_s__of bike __r_id_i_n_g__.
5. 当你离开房间的时候，你应该关灯以节约用电。 You should _s_a_v_e_e_l_ec_t_r_ic_i_t_y_ by _t_u_r_n_in_g__o_f_f_ the lights when you leave a room.
3.给出建议和可行方案 I think that governments should… I suggest everyone in… We should call on…
4.结尾：寄予期望
I hope the…
➢ 范文赏读
Dear Sir/ Madam,
开篇点题
Environmental problems are becoming more and
used to
The air pollution is getting worse and worse. Present perfect
Language points
The air pollution is getting worse and worse. worse and worse 越来越糟 结构：比较级+ and+比较级 越来越…… 例句：他变得越来越高了。