基础夯实
Ⅰ、1. used to
2. wealthier
3. wealth
4. doubled
5. worse
6. environment
Ⅱ、 1. invention
2. caused
3. distances
4. comfort
5. convenience
6. Modern
7. pollution
8. cleaner
能力提高
Ⅲ、 I. hope
2. has been married
3. have changed
4. Generally speaking
5. picked up
6. carefully
7. to suppose
8. hurt
9. better or worse
10. relaxed .
Ⅳ. 1-5 ABCDA
6-10 ABADC
V. 1-5 CBDAD
视野拓展
Ⅵ. Your breath.