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2. Unit 1
The world of our senses

3. Project
Producing
a TV show

4. Do you know what it is?
Shark

6. What are sharks?
Sharks are fish that have been around since the dinosaurs.
Males are called “Bulls” .
Females are called “Cows” .
Baby Sharks are called “Pups”.

7. How many different types of sharks are there in the ocean?

8. Hammerhead Sharks

9. Goblin Sharks

10. Great white
Basking shark
Whale shark
Tiger shark

11. Read the passage “Shark attacks” and find out information about sharks.

12. Paragraph 1 There are nearly 400 types of sharks.
These are some well-known types of sharks that attack humans: great white shark; tiger shark; bull shark.

13. Paragraph 2 Three types of shark attacks: attack and swim away
push and bite
wait and attack

14. Paragraph 3
Four tips on how to avoid being attacked by sharks.

15. Paragraph 4
An increase in water sports has led to an increase in shark attacks.
Three advices on what to do if a shark attacks.

16. Paragraph 5
Do not be frightened by sharks.

17. Read the second passage “The wonderful world of pigeons” and answer the questions.

18. What does the article begin with?
2. What is the story about?
It begins with a story.
It is about what an officer did when his army was attacked by the enemy.

19. 3. Why does the writer begin with this story in his article?
To arouse readers’ interest and to introduce a wonderful animal – pigeons.

20. Now read the last two paragraphs of the passage and summarize the main idea of each paragraph.

21. Main idea for Paragraph 5
Pigeons have a wonderful 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 to win.

22. Main idea for 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.

23. Produce a TV show about how an animal uses its senses.

24. Language points
Contrary to what many people might assume, evidence shows that sharks seldom attack humans.
contrary to 与…相反
My sister's taste in dresses is contrary to my own.
He can not list some facts contrary to our views.

25. D
What you have done is _____ the doctor's orders. You won’t get well soon
　A. attached to B. resistant to
　C. responsible to D. contrary to

26. 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.
mistake A for B 错把A当成B
I think you must mistake me for someone else.
Children sometimes mistakes pills for candies.

27. mistake 的相关短语
make mistakes 犯错
learn sth. from one’s mistake
从错误中吸取教训
by mistake 错误地，无意地

28. 我常把王海误认为他的双胞胎弟弟，因为他们长得太像了。(mistake) （2011上海高考）
I often mistake Wang Hai for his twin brother because they look so similar / very much alike.

29. Stay in groups, as sharks usually avoid large numbers of people.
large numbers of = a large number of 大量的 (修饰可数名词复数)
A large number of people are homeless after the earthquake.
the number of ……的数字是
The number of women who works after marriage is 3 million.

30. Attaching the message to its leg, he sets the bird loose.
attach to
a. 附在...上，把...系在...
Attach the label to your luggage. 
b. 隶属于，附属于
The hospital is attached to that university.

31. Learning strategies, to_______________
_______________ (老师们认为) importance, have not yet drawn enough attention of students. (attach)（2009湖北）
which the teacher(s) attach

32. During both World War I and World War II, pigeons were employed by armies to carry messages to and from the front lines,
employ v.
a. 雇佣
He employed 5 experts to do this project.
b. 使用，利用
Different artists employ different painting techniques.

33. be employed in doing sth. 忙于(做某事)
employee (被动) n. 雇员
employer (主动) n. 雇主，老板
employment n. 雇佣

34. These days Victoria has been ______ in her graduation paper and has no time to take care of her pet dog.
A. employed B. used
C. devoted D. hired
解析：employ常用于结构：be employed in(doing)sth. 忙于(做)某事。句意为：这些天Victoria一直忙于她的毕业论文，没有时间照顾她的宠物狗。use利用; devote献身, 专心于，后常跟介词to; hire租用, 雇用。 A