人教版初中英语九年级全一册第十三单元Section A 3a—3b PPT

not only…but also… 用于连接两个表示并列关系的成分，着 重强调后者，其意为“不仅……而 且……”; 其中的also有时可以省略。
3. Sharks are at the top of the food chain in the ocean’s ecosystem. 鲨鱼位于海洋生物系统食物链的顶部。
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Homework
1.Read the passage again.. 2. Improve your proposal.
5. Sharks may disappear one day _i_f_ we
do not do something to stop the sale of shark fins.
Some animals are endangered. We should do something to protect the animals and the environment!
at the top of 在……顶部; e.g. I looked at the top of his head.
我看他的头顶。
Save the animals! Save the earth!
Help save the earth
We must think of a better way to save the earth?
2. Sharks are at the top of the food chain, _s_o__ if their numbers drop, the ocean’s ecosystem will be in danger.
3. Many think that sharks are too strong
Refuse to kill or eat wild animals .
Do not wear the clothing that is made of wildlife fur .
Stop using napkins（餐巾纸）.
Recycle books and paper. 回收利用
Stop riding in cars
F
2. Shark’s fins are good for health. F
3b Read the passage again and fill in the
blanks with the words in the box.
• Many people do not realize they are killing a whole shark _w_h__en__ they enjoy a bowl of shark fin soup.
大家学习辛苦了，还是要坚持
继续保持安静
Sharks are endangered, read the passage and judge the sentences.
Read the first paragraph
1. Shark’s fin（鱼鳍）soup is famous and
expensive all around the world. F
2. We have to kill a whole shark to get a
bowl of shark’s fin soup.
T
Read the second paragraph
1. People cut off sharks’ fins and throw
the sharks back into the ocean. T
to be endangered, _b_u_t__ they are wrong. 4. _A__lt_h_o_u_g_h_ there are no scientific
adj. 科学上的，科学的
studies to support this, a lot of people believe that shark fins are good for health.
2. Sharks are in the bottom of the food chain
in the ocean’s ecosystem. F 食物链
n. 生态系统
Read the third paragraph
1. WildAid and the WWF are environmental
protection groups in China.
人教版初中英语九年级全一册第十三单元 Section A 3a—3b PPT
fin n. （鱼）鳍
shark n. 鲨鱼
shark fin
shark fin soup
cruel adj. 残酷的；残忍的
harmful adj.有害的
3a
Read the passage about sharks and complete the fact sheet below.
1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。
no longer意思是“不再” e.g. I’m no longer a student.
我不再是个学生了。
2. This method is not only cruel, but also harmful to the environment. 这种方法不但残忍而且对环境有害。