16. In order to suit the needs of entering into work, students must
grasp some technical skills.
改进: In order to meet the needs of future work, students must learn
some practical skills.

17. It is very necessary more qualified scientists and technicians.
改进: Qualified scientists and technicians are in great demand.

18. This knowledge will become a part of your body.
改进: This knowledge will become part of you.

19. They cannot think clearly.
改进: They cannot think straight.

20. Money can improve their living standard.
改进: Money can improve their life.

21. Parents always think that children will get a good job and earn a
lot of money.
改进: Parents always expect their children to get a good job and earn
a lot of money.

22. If a student only cares about money, will lead to be unhappy all
his
life.
改进: If a student only cares about money, he will be misled and will
be
unhappy all his life.

23. One purpose of education is to study the way in which he studies
later.
改进: One purpose of education is to learn to learn.

24. Many parents arrange their children go to learn piano.
改进: Many parents send their children to piano classes.

25. When I want to absorb somebody else's opinion, I will study with
others.
改进: When I need second opinion, I will study with others.

26. Eating outside has the most advantage that we can go at any time
when we finish eating without doing any washing.
改进: The best part of eating out is that we can leave everything
behind
after meal.

27. Smoking can help you relax your mind.
改进: Cigarettes can help you relax.

28. What's about nonsmokers?
改进: What about nonsmokers?

29. Why not to be a non-smoker?
改进: Why not be a non-smoker?

30. Everyone will have many friends in his life.
改进: Everyone has friends in his life.