長對(duì)話 答案

長對(duì)話一

9. C) Export bikes to foreign markets.
10. B) The government has control over bicycle imports.
11. A) Extra costs might eat up their profits abroad.
12. C) Conduct a feasibility study.

長對(duì)話二

13. B) Anything that can be used to produce power.
14. D) Oil production will begin to decline worldwide by 2025.
15. B) Start developing alternative fuels.