人教版九年级英语下册Unit 13 Section A-3优质课课件

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 fin soup? 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.
present.
A. to buy
B. buying
C. for buying
D. buy
3. —Remember to ____ the lights when you leave the
room.
—OK. I will.
A. turn on
fin soup. 2. Sharks are at the top of the food chain, ___so___
if their numbers drop, the ocean’s ecosystem
will be in danger.
3. Many think that sharks are too strong to be endangered, ___b_u_t____ they are wrong.
Where shark fin soup is popular
Southern China
Number of sharks caught and traded every year
How much the numbers of some kinds of sharks have fallen in the last 2030 years
4. _A_l_th_o_u__g_h_there are no scientific studies to support this, a lot of people believe that shark fins are good for health.
5. Sharks may disappear one day __i_f___ we do not do something பைடு நூலகம்o stop the sale of shark fins.
to.
Too much smoking does harm to his health. = Too much smoking is harmful to his health. 吸烟 过多对他的健康有害。
改为同义句。 Reading in the sun does harm to our eyes. Reading in the sun __is_ h__a_rm__fu_l__t_o___ our eyes.
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.
Two environmental groups against "finning"
70 million Over 90 percent WildAid and the WWF
Let's do this to review the text !!!
Some people like to eat shark fin soup, especially ins_o_u_t_h_e_r_nChina. But getting the shark's fin is veryc_r_u_e_l_. When people catch sharks, they _c_u_t_ _o_f_f _their fins and throw the sharks into the ocean. The shark slowly dies because it can't s_w__im__ without the fin. And it is also h_a_r_m__f_ulto environment. Sharks are at the _t_o_p_ of the food chain. If the number of sharks drops too low, it will break the balance of nuture. Please say no to eating the shark fin soup, and take action to save the sharks!
3b
Read the passage again and fill in the
blanks with the words in the box.
so although if but
when
1. Many people do not realize they are killing a whole shark w__h_e_n_they enjoy a bowl of shark
II. 单项选择。
1. —Are you going to _____ any of the events?
—Yes. Maybe long jump and high jump.
A. take part in
B. join
C. attend
D. join in
2. I can’t afford ____ him an expensive birthday
我国有多少种濒危动物? 我国是濒危动物分布大国。据不完全 统计，仅列入《濒危野生动植物物种国际贸 易公约》附录的原产于中国的濒危动物有 120多种 (指原产地在中国的物种)，列入 《国家重点保护野生动物名录》的有257 种，列入《中国濒危动物红皮书》的鸟 类、两栖爬行类和鱼类有400种，列入各省、
Let’s learn some language points
harmful 形容词，意为“有害的”。常构成短语 be harmful to “对……有害的”。 Staying up often is harmful to your health. 经常 熬夜对你的健康有害。 【拓展】 harm 名词，意为“害处”。常用于构成短语 do harm to “对……有害”，相当于be harmful
Unit 13 We are trying to save the
earth!
九年级(全)
Words Review
shark fin
cruel harmful be harmful to at the top of
chain the food chain
ecosystem industry law scientific
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. Many believe that sharks can never be endangered because they are the strongest in their food chain.
n. 鲨鱼 n. （鱼）鳍 adj. 残酷的；残忍的 adj. 有害的 对......有害的 在......顶部或顶端 n. 链子；链条 食物链
n. 生态系统 n. 工业；行业 n. 法律；法规 adj. 科学上的；科学的
To learn some key words and useful expressions To learn something about endangered animals -- sharks.
Environmental protection groups around the world, such as Wild Aid 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!
如果包括无脊椎动物的话，至少有1000种。
3a Read the passage about sharks and complete the fact sheet below.
1、人才教育不是灌输知识，而是将开发文化宝库的钥匙，尽我们知道的交给学生。 2、一个人的知识如果只限于学校学习到的那一些，这个人的知识必然是十分贫乏的2021/10/132021/10/132021/10/1310/13/2021 10:35:38 AM 3、意志教育不是发扬个人盲目的意志，而是培养合于社会历史发展的意志。 4、智力教育就是要扩大人的求知范围 5、最有价值的知识是关于方法的知识。 6、我们要提出两条教育的诫律，一、“不要教过多的学科”；二、“凡是你所教的东西，要教得透彻”2021年10月2021/10/132021/10/132021/10/1310/13/2021 7、能培养独创性和唤起对知识愉悦的，是教师的最高本领2021/10/132021/10/13October 13, 2021 8、先生不应该专教书，他的责任是教人做人；学生不应该专读书，他的责任是学习人生之道。2021/10/132021/10/132021/10/132021/10/13
自治区、直辖市重点保护野生动物名录的
还有成百上千种。随着经济的持续快速发
展和生An态im环a境ls的ar日e 益ou恶r 化fri，en我ds国. 的濒危动
物种W类e还liv会e 增(居加住。) i改n t革he开s放am以e(来相，我国
进口同了) 不sm少al动l w物o，rld如(世湾界鳄)、. T暹o 罗lov鳄e、食蟹 猴、an黑im猩a猩ls、is非to洲lo象ve等ou。rs至el于ve我s 国究竟有 多少(我种们濒自危己动物). 很难说清。但可以肯定，
练习题
I. 用方框中词的适当形式完成下面的句子。
method, cruel, harmful, afford, law
(1) I think it’csr_u_e_l _ to make such a young boy work all day. (2)The poor fisherman can’at f_f_o_r_d_ his children’s education. (3) I think the government must develop _l_a_w_s_ to protect environment. (4) Eating too much junk food is _h_a_r_m_f_u_l to your health. (5) He can use different _m_e_t_h_o_d_sto work out the problem.