Students have   responsibility to learn well and pay more attention to     1    (learn). If a long reading assignment (任务) is given, teachers expect students to be familiar     2     information in the reading even if they do not discuss it in class or take an examination.

The ideal student     3     (consider) to be one who is motivated to learn for the sake of learning not the one interested only in getting high     4     (grade). Sometimes homework is returned with brief     5     (write) comments but without a grade. Even if a grade is not given, the student is responsible for learning the material distributed.

When research is distributed, the professor expects the student to take it     6     (active) and to complete it with minimum guidance. It is the students’ responsibility to find books in the library. Professors do not have the time     7     (explain) how a university library works. Professors will help students     8     need them, but prefer that their students should not be too dependent on them. In the United States, professors have many other duties besides     9     (teach), such as regulative or research work. Therefore, the time that a professor can spend with a student outside of class is limited. If a student has problems with classroom work, the student should either approach a professor during office hours     10     make an appointment.

4 . When you’re a teenager, of course, you want to stress the difference between your age group and the older generation, and changing the language you use is a great way to do this.

One way in which teens change their language is to introduce new vocabulary or change the meaning of existing words.     1    . Bad suddenly meant good and sick took on the meaning of very cool. These uses don’t last for long, though. They change again very quickly.

    2    . One example of a teen-led change is the fashionable use among some young people of innit (a shortened form of isn’t it) as a substitute for all question tags. Although some people are concerned that this trend towards “text-speak” is harming the language, Professor David Crystal doesn’t agree. According to him, the fact that teens use “text-speak”, shortened words and even emoticons does not mean the end of the language. Texting is just a new type of English that has evolved as a result of Internet technology.     3    .

Although teenagers are often criticised for ignoring linguistic rules and ruining the language, we should bear in mind that languages are not fixed.     4    . New vocabulary develops as speakers need new words to match the new things in their lives, Grammar also changes over time, which explains why many present-day speakers find Shakespeare’s sixteenth-century plays difficult to read.     5    , but realizing that language change is normal and unavoidable and that teens are important to this process might help the older generations to sleep better at night.

5 . It seems that the great desire among the young is to be popular. And once they achieve ________, they want to keep it and ________ it. But the desire to be popular can________ you into looking and acting like everyone else. You can lose yourself in a sea of ________ hairstyles and thinking styles.

I was forced to ________ popularity long before in a talk I had with my daughter. Margy had to ________ schools when my busy work schedule made it ________ for me to move houses. I suppose that, for a girl in her teens, ________ a new school is as easy as spending a season alone in the tropical jungles. However, as the school year ________ to an end, one student after another came to her. They said they would have liked to be friends sooner.

I told Margy that I would have been more concerned if she had been a(n) ________ social success in her new school. That, to me, would have been the ________ that she had betrayed her ________ self in order to become popular. Sometimes young people try to force friendships into blossom by opening ________ their innermost thoughts to people they have just met. Such friendships are the least likely to ________.

I know that it has become harder and harder for a young person to stand up against the popularity wave and to ________ his or her own way. This leads to a great ________ for the young person who wants to find his or her own ________. But the barrier is worth climbing over. The road is worth ________. You may want to listen to classical music instead of going to a party. You may want to collect rocks when everyone else is collecting records. Well, come on! Find yourself. Be yourself. Popularity will come with the people who ________ you for who you are. That’s the only kind of popularity that really ________.