汉译英部分：
1.他们试图想出一个解决这个问题的办法。
2.你离开教室时，别忘了关灯。
3.他喜欢一边做作业，一边听音乐。
4.我已了解清楚，他的结论是以事实为依据的。
5.对于年轻人来说，独立思考问题的能力很重要。
6.每个人都知道，学习对一个人的成长是至关重要的。
7.我们的新产品非常受欢迎，对此我们感到十分自豪。
8.您能说话大声点好让每个人都听得见吗?
9.除了英语，你最好再学一门外语。
10.在教育孩子方面，表扬要比批评有效得多。
11.今年他们建造的房子跟去年一样多。
12.对不起，我忘了把你要的书带来了。
13.这项工作太难了，你干不了。
14.无论多么困难，我也不会失去信心。
15.物体离我们越远，看起来就越小。
汉译英部分：
1.【答案】They are trying to work out a solution to the problem.
2.【答案】Don’t forget to turn off the lights when you leave the classroom.
3.【答案】He enjoys listening to music while doing homework.
4.【答案】I’ve made it clear that his conclusion was based oil facts.
5.【答案】For the youn9，it’s important to think independently.
6.【答案】Everyone knows that learning is vital(very important)to one’s development(growth).
7.【答案】Our new products are so popular that we are all proud of it.或our new products are very popular，of which we are very proud.
8.【答案】Could you speak a little louder so that everyone can hear you?
9.【答案】Besides English，you’d better learn another foreign language.
10.【答案】In educating children，praise is much(far)more effective than criticism..
11.【答案】They have built as many houses this year as they did last year.
12.【答案】I am sorry.I forget to bring the book you want.
13.【答案】The work is too difficult for you to do.
14.【答案】However difficult it may be(No matter how difficult it is)，1 will never lose my confidence.
15.【答案】The farther an object is away from US，the smaller it looks.