外研版(2019)高中英语选择性必修第二册 Unit 6 Survival ...课件

Reading for specific information
Choose the magazine in which you would most likely find the passage and give your reasons.
1. The Traveller 2. All About Space 3. Environmental Concerns 4. Biology for Fun
Read to find out the detailed information about the reasons why people might live on Mars.
Reading for specific information
The possible answers:
1. Mars is relatively close to Earth. 2. Mars has an environment less hostile than that of other planets.
6. More recently, scientists have succeeded in growing a variety of plants in an environment similar to that on Mars.
Summary
The evidences that the natural geographical conditions of Mars and our interest, efforts and gain about Mars are clear to us that one day humans might live on Mars, which would be the most inspiring.
Reading for specific information
By reading the passage, we know that today environmental problems have taken over as the greatest risk to life on Earth (paragraph 1). Scientific research shows that the planet Earth is getting warmer (paragraph 5). All the clues tell us the passage is most likely to be found in the magazine — Environmental Concerns.
Lead-in
Talk about something about Mars. Mars is slightly more than half the size of Earth, with corresponding lower gravity. The atmosphere there is really thin, 100 times thinner than on Earth and it’s not breathable. It’s 96 percent carbon dioxide. It’s really cold there and there is quite a range of temperature. A day on Mars is about as long as a day on Earth, plus about 39 minutes.
Reading for specific information
5. Encouraged by discoveries over the years, space agencies of various countries are planning manned missions to Mars that could take place within the next 25 years.
a. rocks b. water c. grass
Lead-in
3) The average recorded temperature on Mars is___.
a. 40℃
b. 2℃
c. -63℃
4) One day on Mars is about ___ long.
a. 18 hours b. 24 hours c. 37 hours
Reading for specific information
3. Our interest in Martian exploration is greater than before.
4. Since 1960s, we have been sending unmanned spacecraft to Mars. Our probes have orbited the planet, sending back valuable data and stunning images. Our robots have explored the Martian surface, testing the soil and searching for resources, water and signs of life.
Reading for specific information
Choose the magazine in which you would most likely find the passage and give your reasons.
1. The Traveller 2. All About Space 3. Environmental Concerns 4. Biology for Fun
Checking the answers
1. Why do people make Plan B? Environmental problems have taken over as the greatest risk to life on Earth (paragraph 1).
2. What is Plan B? One option is to explore other planets to see if we could live on them. The most likely choice is Mars (paragraph 2).
Summary
From the prediction and the information above, we know that Plan B is to explore Mars to see if we might live on it one day.
Reading for specific information
Lead-in
Talk about something about Mars. Seasons and years are twice as long as they are on Earth. Since the 1960s, Mars has been the subject of several unmanned exploration missions. However, many of early missions failed. Mars is a long way away, 1000 times farther away from us than the moon.
Checking the answers
4. What should we do now? We need to take much better care of our own planet until we are finally able to live on another planet (paragraph 5).
Reading for specific information
Predicting
Predict the main idea according to the title and the pictures.
Reading for general idea
Read the passage to answer the questions. 1. Why do people make Plan B? 2. What is Plan B? 3. Is it easy for us to live on Mars? 4. What should we do now?
选择性必修二 Unit 6 Survival (3)
高二年级 英语
Developing ideas Plan B: Life on Mars?
Reading
Objectives
At the end of the class, you will be able to: 1. find out the reasons for humans to live on Mars 2. make correct inferences and get the evidences 3. retell the passage simply 4. share opinions about Mars after learning the passage
Reading for specific information
The characteristic of each magazine: 1. The Traveller: focuses on the person who travels, what he sees, what he does or how he feels. 2. All About Space: focuses on the secret of the outer space, showing various fascinating natural phific information
The characteristic of each magazine: 3. Environmental Concerns: focuses on various environmental problems, which usually draws people’s great concern. 4. Biology for Fun: focuses on studies about life and living organisms for fun, including their physical structure and chemical processes.
Checking the answers
3. Is it easy for us to live on Mars? It is not easy because it would take months to reach Mars, travelling through dangerous solar radiation. Even if the first settlers do reach Mars safely, they may not be able to return to Earth. Staying alive will be a daily challenge (paragraph 4).
Lead-in
Complete the quiz about Mars. 1) Mars is the ____ smallest planet in solar system.
a. second b. third c. fourth 2) The surface of Mars is covered in _____.