答案:B

解析:细节理解题。根据文中的"With social networking sites, online games and micro-blogging added to already tight schedules, sports are often the last thing to be considered. . . "可知答案。

3. Professor Jin thinks that 　　　.

A. sports play an important role in students' overall development

B. the most important goal for students to do sports is to keep healthy

C. universities should take tough measures in student management

D. the spirit of responsibility can be developed in more than one way

答案:A

解析:推理判断题。根据文中的"Sports are not only a way for students to train their body, but also an important way to learn responsibility, teamwork and devotion. "可知答案。

4. The best title of the passage would be　　　.

A. Morning running at colleges

B. A new college life

C. Sports losing attraction

D. P. E. class at colleges

答案:C

解析:主旨大意题。本文在第一段引出主题:一些大学生不愿意参加运动, 这个现象已经很严重了。然后进行了具体介绍和分析。故选C项。

　　We do not usually think about how our language works. Talking is such a natural, everyday activity that we do not often stop to consider how it actually works. When we do study our language, though, we are often surprised that we are able to understand our conversations. Words can mean so many different things. However, it turns out that the speaking situation helps a lot in making language work.

　　First, the speaking situation helps make words more particular. For example, the word "dog" can describe a dog that a speaker saw in a dream. It can also be used to discuss a neighbor's dog. No language has a separate word for the idea "dog that I saw yesterday" and another word for the idea "dog that I saw in a dream". This is because the speaking situation makes it clear what speakers mean when they use words. So, when you have a conversation with your neighbor, the knowledge that you have a dog tells your neighbor what the word "dog" probably means in that situation.

The speaking situation also helps make language clearer. For example, the word "bank" has two possible meanings. It can mean "a place where people keep money", but it can also mean "the side of a river". So the sentence "I went to the bank" is not clear. It could mean I went to the side of the river or it could mean I went to the place where my money is kept. However, if the speaker