16. In view of the seriousness of this problem, effective measures should be taken before things get worse.
　　考虑到问题的严重性，在事态进一步恶化之前，必须采取有效的措施。

　　17. The majority of students believe that part-time job will provide them with more opportunities to develop their interpersonal skills, which may put them in a favorable position in the future job markets.
　　大部分学生相信业余工作会使他们有更多机会发展人际交往能力，而这对他们未来找工作是非常有好处的。

　　18. It is indisputable that there are millions of people who still have a miserable life and have to face the dangers of starvation and exposure.
　　无可争辩，现在有成千上万的人仍过着挨饿受冻的痛苦生活。

　　19. Although this view is wildly held, this is little evidence that education can be obtained at any age and at any place.
　　尽管这一观点被广泛接受，很少有证据表明教育能够在任何地点、任何年龄进行。

　　20. No one can deny the fact that a person’s education is the most important aspect of his life.
　　没有人能否认：教育是人生最重要的一方面。