(共30张PPT)
Section A 3a-3b
Translation.
1. 甚至河底都满是垃圾。
2. 这个镇上的每个人都应该参与清扫。
Even the bottom of the river was full of rubbish.
Everyone in this town should play a part in cleaning it up.
3. 骑自行车有其它的优点。
4. 我买外卖食品从来不拿木筷子和塑料
叉子。
There are other advantages of bike riding.
I never take wooden chopsticks or plastic forks when I buy takeaway food.
The earth is badly polluted.
What should we do to save the earth
Let’s take action (采取行动)
Turn off the lights
when you leave a room.
Recycle books and paper.
Take buses instead of driving cars.
There are some animals which are endangered. We should do something to protect the animals and the environment!
The zoos provide homes for many
endangered animals.
1. What do you know
about sharks(鲨鱼)
2. Do you think sharks can be endangered Why
3. What do you think might cause a fall in the number of sharks
Where shark fin soup is popular
Number of sharks caught
and traded every year
How governments can help
Two environmental groups
against “finning”
southern China
70 million
develop laws to stop the sale of shark fins
WildAid and the WWF
3a
Read the passage about sharks and complete the fact sheet below.
Retell the passage according to the words below.
shark fin soup in southern China
each time cut off
no longer not only…but also…
at the top drop
be endangered the strongest around 70 million fallen by over 90 percent WildAid and the WWF
develop laws scientific studies
3b
Read the passage again and fill in the blanks with the words in the box.
so although if but when
Many people do not realize they are
killing a whole shark ______ they
enjoy a bowl of shark fin soup.
2. Sharks are at the top of the food chain,
____ if their numbers drop, the ocean’s
ecosystem will be in danger.
when
so
3. Many think that sharks are too strong
to be endangered, _____ they are wrong.
4. _________ there are no scientific
studies to support this, a lot of people
believe that shark fins are good for
health.
but
Although
adj. 科学上的，科学的
so although if but when
5. Sharks may disappear one day ___ we
do not do something to stop the sale of
shark fins.
if
so although if but when
1. Without a fin, a shark can no longer swim and slowly dies.
没有鱼鳍，鲨鱼不能再游泳然后慢慢死去。
no longer 不再 = not…any longer/ not… any more
e.g. Mr Brown no longer works here.
= Mr Brown doesn’t work here any
longer/ any more.
no longer通常位于实义动词之前，be动词、助动词或情态动词之后 。
not ... any longer/anymore中的any longer/anymore总是放在句末。
no longer与not ... any longer可以互换。
Joe doesn’t like dancing any longer/ any more.
改为同义句。
Joe no longer likes dancing.
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。
not only…but also…
不仅……而且……
用于连接两个表示并列关系的成分，着重强调后者，其中的also有时可以省略。
e.g. She not only plays well, but also
writes music.
Not only does my sister sing well, but she dances well.
Not only the students but also the teacher is working hard.
not only置于句首时，常用_____语序。
not only... but also...连接两个主语时，谓语动词需与_____(前面/后面)那个主语在人称和数上保持一致，就近原则。
倒装
后面
同义句转换，每空一词。
1) She and I have already been to Beijing.
____ ____ she ____ ____ I have already been to Beijing.
2) He likes to swim and he wants to teach the kids to swim, too.
Not only ____ __ ____ to swim, ____ he wants to teach the kids to swim.
Not only but also
does he like
but
(3) The twins were late this morning. Sam
was late this morning, too.
Not only the twins ____ ____ Sam ____
late this morning.
____ ____ Sam but also the
twins _____ late this morning.
was
Not only
were
but also
be harmful to 对……有害
be bad for 对……有害
e.g. Smoking is harmful to the health.
吸烟有害健康。
Playing computer games much is
harmful to students.
电脑游戏玩太多对学生有害。
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。
at the top of 在……最高地位; 用最高[最大]的(速度, 声音等)
e.g. He shouted at the top of his voice in
order that he might be heard.
他尽力大声叫喊, 以便别人能听见。
4. If their numbers drop too low, it will
bring danger to all ocean life.
如果它们的数目降至过低，会给所有海洋生物带来危险。
此句复数形式的numbers表达全海洋中鲨鱼的总量。
In that country, the number of children
going to school is higher in cities than in
towns and villages.
在那个国家，城市儿童入学人数比乡镇及
农村要高。
当表示数值的高或低时，number要用
__________修饰。
常与number搭配的动词有grow, fall等。
high或low
e.g. 近来拥有轿车的家庭数量增长很快。
The number of families that own cars has been growing quickly recently.
根据句意，从方框中选择恰当的单词填
空，有的需要变换形式，每词限用一次。
1. The king in the story was said to be very ___________.
2. When we talk about ________, we always feel afraid of them.
shark, ecosystem, law, cruel, science
cruel
sharks
3. I hope to study ________ after I enter the university.
4. They were using animals for ___________ experiments.
5. Every ___________ has a different food chain, depending on which animals and plants live there.
shark, ecosystem, law, cruel, science
scientific
ecosystem
law
Write 5 measures to protect the
environment.
