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外研版（2019）选择性必修二英语《Unit 6 Survival》Period 3 Developing ideas and presenting ideas优秀教学ppt课件
Unit 6 Survival
Period 3 Developing ideas and Presenting ideas
Have a quiz about Mars
1. Mars is the ____ smallest planet in the solar system.
a. second b. third c. fourth
2. The surface of Mars is covered in ________.
a. rocks b. water c. grass
3. The average recorded temperature on Mars is ____.
a. 40o C b. 2o C c. -63o C
4. One day on Mars is about _________ long.
a. 18hours b. 24hours c. 37hours
Suggested answers:
1. _____; 2. _____; 3. _____; 4. _____
a
a
c
b
Para 1
Para 2
Para 3