1. Unit1 Project
welcome to our class
高二英语组 张玉

2. Shark Species
Great white
Whale shark
Tiger shark

3. Blue shark

4. Shark attacks

5. Listening task Pay attention to your pronunciation .
Find out and underline some useful phrases.

6. Fast reading : 1. Are sharks frightening?
2. How many different types of sharks are there in the ocean?Do all of them attack humans?
3. Do sharks feed on humans if they have the choice?
4. What are the three types of shark attacks?
5. Why have shark attacks been increasing recently?

7. Careful reading
Read the text again and try to find out the topic sentence 阅读技巧of each paragraph. (The topic sentences may appear at the beginning of the paragraph, or at the end. )

8. 阅读技巧
在阅读时，为提高阅读速度和正确性。要善于找关键句，特别要注意文章的第一段和最后一段的头一句，往往就是关键句，可以帮助你掌握文章的全貌，理解文章的主题。同样，段落主题句往往就是在段落首句或尾句，帮你理解段落结构，很快把握段落中心思想。

9. Paragraph 1: 30 out of 400 sharks may attack humans.
Paragraph 2: The chances of being attacked by a shark is very small.
Paragraph 3: There are three types of shark attacks.
Paragraph 4: Advice on helping reduce the chances of being attacked.
Paragraph 5: Three tips to help you when attacked by a shark.
Paragraph 6: Do not be frightened by sharks.

10. Fill in the information
Three fierce sharks :
the great white shark
the tiger shark
the bull shark

11. Four pieces of advice to avoid shark attacks:
Don’t swim in the dark.
Don’t swim if you are cut or if you have a fresh wound.
Don’t wear bright clothing or jewellery.
Try and stay in groups.

12. Three tips to help you if a shark attacks you
Don’t panic.
Hit the shark on the nose.
Stick your finger in the shark’s eye.

13. Summarize the text Practice 1. Types of shark attacks
2. Advice on reducing the chances of
being attacked
3. The tips to help you when attacked

14. Useful phrases
mainly because
two other sharks
the chances of being
attacked
4. compared to
5.the low number
6.feed on
7.be known as
8. be fit to do
9.wait for sb to do
10.the latter two
11.follow the advice
12.have a fresh wound
13.be more likely to be deadly
14.over a long distance
15.hit the shark on the nose
16.stick your finger in the
shark’s eye
17.30 times greater

15. More information
What are Sharks? Sharks are fish that have been living around us since the dinosaurs. Males are called “Bulls” .
Females are called "Cows" .
Baby Sharks are called "Pups“.

16. Smell is a shark's most acute sense.
Sharks are sensitive to light and can detect certain objects even in dark water. Just like cats and other animals whose eyes ‘glow in the dark’.
Sharks do have ears. A shark can detect sound waves and disturbances in the water.
Sharks can also sense electric and magnetic fields.

17. Homework To read the passage more times after class.
To finish workbook on page 91,B2 .

18. Thank you!