Page I
Page 4
I. 1. flood 2. polar bears
3. fossil fuels 4. heat waves
III. 1. way to deal with
2. ran out of time
3. because of the strong storm
4. working on a new book; meet his goal
Page 6
III. 1. scientists 2. found 3. seconds 4. sleep 5. rest 6. protect 7. long
Page II
小试牛刀：
1. for breakfast
2. is important for
3. a good habit, is good for
4. To stay healthy, our bad eating habits
Page III
1-4 BCDC
5. full of 6. wake up
7. in a good mood
8. Instead of getting angry
9. knock on 10. argue with
11. To his surprise
12. share, with
Page IV
Day 1: BCD
Day 2: BCDB
Day 3: 1. Shanghai.
2. A) Because the cities are greener.
B) Because they can find food in trash cans.
3. Yes, they sometimes do.
4. 拥挤的
5. To scare some raccoon dogs away.
Day 4: CBBDB
Day 5: 1-5 DCADC 6-8 BCA
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