Chris

 15. 假設推理  

If you allow your traditional customs to disappear, this will have a very bad effect on your culture.

I everyone were to eat fast food, we would have a lot of health problems to deal with.

If animals were to disappear, we would indeed be showing our irresponsibility to the animal kingdom.

16. 表達區別

The biggest difference between construction about 20 years ago and today is that 20 years ago much construction was done manually.

One large way that big cities differ from small cities is the air.

Yes, there are quite a few differences between the way children and adults make friends. A good example is the way they just start using each

other's toys happily without needing permission.

17. 表達對比

Big cities have more opportunities than small cities.

University life is more interesting than middle school life.

Families in the past were more dependent on each other, but now they are more independent.

There were fewer cars on the roads 20 years ago, compared to now.

18. 列舉優勢劣勢

There are two sides to this issue. On one hand, we need tourism to develop our economy. On the other hand, we shouldn't let it destroy our

natural beauty.

The main advantage of getting your news on the Internet is that it is fast and you can choose what news you want to learn. The disadvantage

is it may not be as reliable. The strengths of a traditional family are in its close family support, but the weakness is that often the husband and

wife feel trapped in the relationship.

The positive side of technology is its contribution to our convenience, but the darker side of it is that it may make us lazier.

19. 提出解決方法

I think what should be done is to give students more opportunities to demonstrate their creativity.

I think this problem could be solved by creating more job opportunities.

To solve this problem, I think we should try and set up more facilities for elderly people to meet each other and socialize.