九年级英语全册Unit8retryingtosavetheearthSectionA课件鲁教版五四制

Save the Sharks!
Many have heard of shark fin soup. This famous and expensive dish is especially popular in southern China. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark’s fin soup?
Unit 8 We’re trying to save the eartn
noise pollution
air pollution
water pollution
land pollution
1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel，but also harmful to the environment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life.
Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.
Interviewer: So together, our actions can make a difference and lead to a better future!
Susan:
Yeah, or ride a bike. There are other advantages of bike riding. It’s good for health and it doesn’t cost anything!
Interviewer: Great ideas! What about waste pollution?
be able to 能；会
2d. Role-play the conversation.
Interviewer: Jason and Susan, what are your ideas for solving these problems?
Jason:
Well, to cut down air pollution, we should take the bus or subway instead of driving.
the problem? were no more _f_is_h___ for fishermen to
catch.
People are throwing _l_it_t_er__ into the
What caused river.
the problem? Factories are putting _w__a_s_te__ into the
I spent ten yuan buying/on the pen.
3. So together, our actions can make a difference and lead to a better future!所以只要一起，我们的行动就会产生效果，创造一 个更好的未来！
(1)make a difference意为“起作用；有影响”，difference前可以 加great等形容词，也可加no，表示否定意义；在否定句中a改为 any。例如：Whatever she did, it made no difference.不管她做了 什么都没有影响。
Tony: But it used to be so clean! Mark: Yes, but people are throwing litter into the river. Tony: Everyone in this town should play a part in cleaning it
loud music planes cars building houses
mobile phones
factories smoking
rubbish littering ships
1b Listen and complete the sentences.
What was
The river was__d__ir_t_y_. Even the bottom of the river was full of __ru__b_b_is_h_. There
(2)lead to意为“导致；通向”。例如：This path leads to the next village. 这条小路通往邻近的村子。
◆即学即练 ①它不会对这个世界造成影响。 It wouldn’t ______ _______ _______ to the world. ②辛勤工作能带来成功，失败在于懒惰。 Hard work _______ ________ success and failure often lies in laziness. 答案：①make any difference ②leads to
1c. Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Susan: Mmm, I think simple things like bringing
a bag to go shopping can help. I started doing that a year ago.
Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home.
Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
2. Factories that burn coal also___________ the air with a lot of
black smoke.
3. Thereareisthroawlsiong atwoaoy much rubbish and waste. People___________________ptuhbinligcspelvaecreys day.
river.
How should the problem be solved?
We should write to the _g_o_v_e_r_n_m__en__ts__ and ask them to _cl_o_s_e_d_o_w__n_ the factories. Everyone should help to __cl_e_a_n__u_p__ the river.
A. instead of
B. in order to
C. as well as
D. in addition to
答案：①A ②A
2.cost动词，意为“花费”，作名词时意为“花费；价钱”。 ◆易混辨析 人+spend+时间/金钱+(in) doing或者人+spend+时间/金钱+on+sth. 人+pay+金钱+for+某物 某物+cost+人+金钱 It takes +人+时间+ to do sth. ◆即学即练 用spend，cost，pay翻译下列句子 我花了10元买这支钢笔。 ________________________________________ 答案：
4. People are also littering in_______________ like parks. This is turning beautiful places into ugly ones.
2c. Use the information in 2a and 2b to role-play conversations between Jason and Susan.
◆即学即练
①He _____ the tree and cut it up for firewood.
A. cut down B. cut up C. cut out D. cut in
②—Let’s go hiking ______ staying at home, shall we?
—Good idea.
up! play a part in doing sth. 在……中起作用
2a. Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution C. noise pollution
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. pollute
Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies have shown that shark fins are good for health, so why eat them? Help save the sharks!
Jason: The air has become really polluted around here. I’m getting very worried.
Susan: Yes, I used to be able to see stars in the sky. Jason: The problem is that ...
Languages points
1. Well, to cut down air pollution, we should take the bus or subway instead of driving.为了减少空气污染，我们应该乘公共汽车或地 铁，而不是开车。
（1）cut down意为“减少，缩减；砍倒（树木）”。 cut的其他常用搭配： cut in插嘴 cut out剪下 cut up切碎 (2)instead of意为“代替；而不是”，of是介词。