1. 打下坚实的基础lay a solid foundation for…

2. 综合素质comprehensive quality

3. 致力于/ 投身于be committed / devoted to…

4. 应当承认Admittedly,

5. 不可推卸的义务unshakable duty

6. 满足需求satisfy / meet the needs of...

7. 可靠的信息源a reliable source of information

8. 宝贵的自然资源valuable natural resources

9. 因特网the Internet (一定要由冠词，字母I 大写)

10. 方便快捷convenient and efficient

11. 在人类生活的方方面面in all aspects of human life

12. 环保的材料environmentally friendly materials英语六级准考证号

13. 社会进步的体现a symbol of society progress

14. 大大方便了人们的生活Sth has greatly facilitated people's lives.

15. 对这一问题持有不同态度hold different attitudes towards this issue