英语课件 牛津版 高一模块三 Unit 1 Unit 1 Project Producing a TV show Lead-in 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? 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. Basking shark Shark Species Whale shark Great white Tiger shark Blue shark Shark attacks Read the article about shark attacks on page 18 to know more about sharks. 1. How many different types of sharks are there in the ocean? 2. Do all of them attack humans? Fast reading Nearly 400. No. Only about 30 types are known to have attacked human beings. 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. 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. Detail reading In the second type, the shark pushes you with its noses to find out if you are fit to be eaten ad then bites you if it thinks you are. In the third type, the shark waits for you to swim by and attacks you suddenly.