1.He studied these subjects on his own.

1.这些课程他是学的。

2.History is my favourite subject at school.

2.历史是我在学校中最喜爱的学科。

3.Dark adaptation in two healthy male subjects was studied by means of a Nagel's adaptometer.

3.摘时施用平流电，故可使那盖氏暗适应计之光度稳定不变。

4.He dare not mention the subject again.

4.他不敢再提起那个话题。

5.But that is now an untimely subject.

5.但那是一个现在不合时宜的题目。

6.Operational Research is a newly emerging subject.

6.运筹学是一新兴的学科。

7.Lateness and carelessness are subjects for complaint.

7.迟到与粗心会引起埋怨。

8.I was the subject of their talk.

8.我是他们谈话的话题。

9.Which subjects are compulsory in your school?

9.在你们学校里， 哪些课程是必修的？

10.His illness left him subject to asthmatic attacks.

10.他的病使他容易出现哮喘发作。

11.He shows complete mastery of his chosen subject.

11.他己选择的那科目。

12.His rude behaviour subjects him to frequent rebuffs.

12.他的粗鲁行为使他经常遭受冷遇。

13.He handled the subject in a masterly way.

13.他巧妙地论述了这个问题。

14.We talked about such subjects as the weather.

14.我们谈论了诸如天气之类的话题。

15.His interests spanned a wide range of subjects.

15.他的兴趣涉及广泛的学科。

16.Try to orientate your students towards the science subjects.

16.把学生的兴趣尽力引导到理科方面。

17.It's a good chance to broach the subject.

17.这是开始提出那个问题的好机会。

18.Don't divert the subject into a side issue.

18.别把话题转向枝节问题。

19.She handles this difficult subject with a light touch.

19.她处理起这种难题来得心应手。

20.A senator dragged the subject in as a filibuster.

20.一个参议员硬把这个题目拉扯进来，作为一种阻碍议事的手法。