选做题
题号05
第一节 1-4 ADEC
第二节 (One possible version)
5. We have to accept some environmental pollutants as they are closely related to our living standards.
题号06 (One possible version)
6. showed 7. One 8. described 9. named 10. However
11. how 12. like 13. his 14. for 15. up