题目内容：

Teaching is challenging and teaching college is often a mixed bag.Sometimes my class feels more like a cafeteria，where students come and go，______ in the middle of my lectures.Mostly these students have entered college right out of high school.College seems to them like ______ a continuation of high school，______ the sense of newness that often drives curiosity and achievement.

But there is a category of students that gives everyone reasons for ______.They are the so called “nontraditional students”：those who，for one reason or ______，didn’t go to college when they were 18，but many years later.Some years back in my teaching，while calling out names from the name list on the first day，I noticed a gray haired woman of about 70.She was wandering in the doorway，______ her new books like a schoolgirl.

“I’m not on the name list，” she volunteered.“But I was ______ if I could sit in for the first class，to see what marine(海洋) biology is about.” This woman’s eagerness ______ me，so I invited her to have a seat.I began the class with questions to get a(n) ______ of how much knowledge they were bringing to the course.As I questioned them about the difference between fishes and seagoing mammals，most of my new students remained ______.But Natalie，the older woman，was on the edge of her seat，______ answers.At the end of the class，she came up to me and apologized for being the “extra” student.She said，“Will you ______ me another chance？” ______ at losing her，I acted quickly to remove her ______.“I’ll see you next class，”I said.Natalie turned out to be a vital and ______ student.She commuted 50 miles each day to get to school，often in the severe winter，and never missed a class.______ this，she was enthusiastic about helping my younger students.Apparently these older students have the ______ over them.It lies in the breadth and depth of their path of life.After having ______ numerous personal and professional barriers，they have an expansive world view.______ a return to school may，at first，be frightening for them，they tend to make it because they are ______ great trouble to put their studies into an already full life.

1.A. often    B. seldom    C. never    D. hardly

2.A. more than    B. other than    C. rather than    D. no more than

3.A. creating    B. lacking    C. involving    D. inspiring

4.A. anger    B. desperation    C. hope    D. pity

5.A. another    B. others    C. the other    D. none

6.A. bringing    B. buying    C. holding    D. fetching

7.A. hoping    B. wondering    C. thinking    D. expecting

8.A. impressed    B. embarrassed    C. puzzled    D. amused

9.A. plan    B. sense    C. concept    D. idea

10.A. enthusiastic    B. silent    C. interested    D. calm

11.A. asking    B. repeating    C. rejecting    D. volunteering

12.A. offer    B. make    C. learn    D. introduce

13.A. Relieved    B. Relaxed    C. Alarmed    D. Annoyed

14.A. concern    B. curiosity    C. attention    D. concentration

15.A. diligent    B. humorous    C. intelligent    D. open­minded

16.A. Regardless of    B. But for    C. Except    D. Apart from

17.A. ability    B. experience    C. advantage    D. belief

18.A. got over    B. got across    C. got away from    D. got through

19.A. Unless    B. Until    C. When    D. While

20.A. demanding    B. taking    C. sparing    D. escaping