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Unit 1 The world of our senses 1. What do you think is the most dangerous animals in the ocean? 2....
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Transcript of Unit 1 The world of our senses 1. What do you think is the most dangerous animals in the ocean? 2....
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Unit 1
The world of our senses
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1. What do you think is the most
dangerous animals in the ocean?
2. What do you know about sharks?
3. What will you do if a shark attacks
you?
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There are nearly 400 species of sharks,
which are divided into 8 orders( 目 )
and 30 families( 科 ). There are lots of
differences in sharks.
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Basking shark
Shark Species
Whale sharkGreat whiteTiger sharkBlue shark
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Shark attacks
Read the article about shark attacks on
page 18 to know more about sharks.
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1. How many different types of sharks
are there in the ocean?
2. Do all of them attack humans?
Nearly 400.
No. Only about 30 types are known
to have attacked human beings.
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3. What is the most dangerous shark?
4. What sharks are also rather
dangerous?
The great white shark.
Two other sharks are also rather
dangerous: the tiger shark and the
bull shark.
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The three types of shark attacks:
In the main type, the shark attacks you
because it mistakes you for a fish, but
when it tastes human flesh it decides to
give up and swims away.
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In the second type, the shark pushes
you with its noses to find out if you
are fit to be eaten and then bites you if
it thinks you are. In the third type, the
shark waits for you to swim by and
attacks you suddenly.
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To reduce the risk of a shark attack:
★ Do not swim in the dark.
★ Do not go swimming in the ocean if you
have a fresh wound.
★ Do not wear bright clothing or jewellery.
★ Stay in groups.
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Advices to follow if a shark attacks you
★ Keep calm. Do not panic.
★ Hit the shark on the nose with your fist
★ Stick your finger in the shark’s eye
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Read the second article ‘The
wonderful world of pigeons’ and
answer.
1. What does the article begin with?
It begins with a story.
2. What is the story about?
It is about what an officer did when
his army was attacked by the
enemy.
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3. Why does the writer begin with this
story in his article?
To arouse readers’ interest./ To
introduce a wonderful animal —
pigeons.
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4. How do pigeons find their way?
Pigeons appear to have a compass
inside them that tells them which
way is north, they also appear to
use their sight and even their sense
of smell to tell them which way they
should go.
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Read the last two paragraphs again
and find the main idea for each
paragraph.
Paragraph 5:
Pigeons have the sense of direction, so
their greatest use is to carry the news,
the mail or messages. In wars, they were
able to save the lives and help win.
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Paragraph 6:
The reason why pigeons never get lost
is that not only they have a compass
inside but they use their senses of sight
and smell as well.
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What other animals whose unique
senses enable them to survive their
environments do you know?
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Dogs and rabbits have highly developed
senses of smell and touch.
A spider’s unique sense is sight.
Butterflies and bees have taste receptors
on their feet.
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Lions have very good noses, which are
sensitive to smell.
Cats have a well developed sense of touch.
Mice and elephants have good hearing.
Eagle’s eyesight is four times as sharp as
that of a person with perfect vision.
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1. Contrary to what many people might
assume, evidence shows that sharks se
ldom attack humans.
contrary adj. 相反的 n. 相反的事实或情况
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contrary to sth. 与之相异的,相反的e.g. Contrary to popular belief, many
cats dislike milk.
与普遍的看法相反,许多猫并不
喜欢牛奶。
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In the end the contrary was proved true:
he was innocent and she was guilty.
最后证明事实正好相反 : 他是无辜的,而她则有罪。
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2. Don’t be frightened by sharks as you
are 30 times more likely to be hit by li
ghtning than be attacked by a shark.
likely adj. 可能的e.g. Tickets are likely to be expensive.
入场券可能很贵。
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倍数的表达法有三种: ① A + 谓语 + 倍数词 + 形容词或副词的
比较级 + than + B
② A + 谓语 + 倍数词 + as + 形容词或副词的原级( + 名词) + as + B
③ A + 谓语 + 倍数词 + 度量名词 + of + B
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3. Unlike human, they never get lost
and can always find their way home.
unlike prep. 不像,与……不同e.g. Unlike most systems, this one is very
easy to install.
本系统与多数系统不同,极易安 装。
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1. In the main type, the shark attacks
you because it mistakes you for a fish,
but when it tastes human flesh it
decides to give up and swims away.
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本句是并列主从复合句,连词 but 连接两个复合句。在第一个复合句中, beca
use 引导一个原因状语从句;第二个复合句中, when 引导一个时间状语从句。 句中 mistake… for… 指“把……错当为……”
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e.g. You must be mistaking me for my
younger sister.
你一定是把我错当成我妹妹了。动词 taste 在句子作及物动词,指“辨别出 ( 食品、饮料等味道 )
e.g. She could taste tomato in the soup.
她能够辨别出汤中的番茄味道。
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2. In the second type, the shark pushes
you with its noses to find out if you
are fit to be eaten and then bites you
if it thinks you are.
句中第一个 if 引导的是宾语从句,作find out 的宾语;第二个 if 引导的是条件状语从句,其完整形式为: if it t
hinks you are fit to be eaten.
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3. Though it may seem hard to believe,
the bird the officer uses is the same
bird often seen in public parks— the
pigeon.
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句中的 though 引导让步状语从句,其中 it 代指主句的内容。主句中的 the o
fficer uses 是定语从句,修饰主语 the
bird , 而 often seen in public parks 是过去分词短语,作 the same bird 的后置定语。
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4. Pigeons appear to have a compass inside
them that tells them which way is north.
句中 that 引导定语从句,修 compass 。 在该句中, tell 后接双宾语,直接宾语是 which 引导的宾语从句。
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这里的 appear 是系动词,相当于 seem , 意思是“好像,似乎” e.g. Mary appears to be hesitating about
this matter.
在这件事情上,玛丽似乎还在犹豫。
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Producing a TV
show about how
the animal uses
its senses.
Introducing the project
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Planning
• Get into groups(6-8).
• Decide which animal to focus on.
• Clear assignments. You can look the
questions on page 19 and assign task
to each group member.
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• Search information about the animal
from books, Internet or by visiting a
zoo, watching an animal documentary.
• Focus your research on how the animal
you choose uses its senses.
Preparing
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Producing
• Decide what information will be used
in your TV show.• Pictures should be presented in an easy-
to-see way because TV is very visual. • Each member must work on a different
part of the show, keeping in mind the
overall design.
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• Every member has to proofread the
writing at least once, correct mistakes
if there are any, and add any new ideas
they can think of.
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Presenting
• Present your show to the class.
• Answer any questions other group
might ask.
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Complete the sentences
according to the initials.
1. Do you think pleasant smells can
r______ pain?
2. Thank you very much. My success
is closely r______ to your help.
educe
elated
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3. Jim stayed up very late to play
computer games yesterday. Now he
is too s_____ to keep his eyes open.
4. ‘My head a_____’ means ‘I have a
headache’.
5. It is very l______ that he will come
to the party. He is free tonight.
ches
ikely
leepy
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6. I am trying to figure out what
blood t_____ my son could have.
7. He is d______ impressed by what
you did.
8. I crossed the street to a______
meeting him, but he saw me and
ran to me.
void
ype
eeply
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Fill in the blanks with the phrases.
be linked to , make the most of , rel
ate to, make progress
1. As a leader, his heart ___________
the hearts of the people.
2. He has ____________ in his English
studies.
is linked to
made progress
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3. You must work hard and _______
__________ your chance to study.
4. More studies will be required
before we know whether the fact
_____________ the result.
the most of
is related to
make
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1. Do A, B and C on Page 96 of
the Workbook.
2. Review words and phrases in
this unit.
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