Unit 5 Developing ideas 课件-2021-2022学年高中英语外研版（2019）选择性必修第四册

Unit 5 developing ideas Diving deep Teaching aims: 1. Enable to understand the passage on the whole by finishing the exercise 2. Accumulate some phrases and usages in the passage by reciting and applying. Activity 1:work in groups. look at the picture and answer the questions. Do further research if necessary. What different zones are there in the ocean? The different zones in the ocean are Sunlight Zone (阳光地带),Twilight zone(深海朦胧地带),Midnight Zone(午夜区) and Abyssal Zone(深海带). 1.What caused the ancient Roman city of Neapolis to be buried underwater? A. A tsunami B. The earthquake ruins. C. Extreme cold climate D. The war 2. Why is the barreleye strange? A.It grows very fast. B. Its forehead is transparent. C. It lives in the deepest ditch. D. It comes out of science fiction. 3. What can we know about China's Shenhai Yongshi? A. It's a new underwater ship for us. B. It has explored waters thousands of metres deep. C. It has identified areas for deep-sea drilling. D