题目内容：

 

阅读下面短文，从短文后各题所给的四个选项 (A、B、C和D) 中，选出可以填入空白处的最佳选项。

It was the last day of the final examination in a large eastern university. On the steps of one building, a group of engineering seniors gathered, discussing the exam due to begin in a few   1. On their faces was confidence. This was their last exam — then on to    2and jobs. Some talked of jobs they already had; others talked of jobs they   3get. With the certainty of four years of college, they felt ready and able to take   4of the world.

    The coming exam, they knew, would be a(n)   5task. The professor had said they could bring   6book or note they wanted, requesting only that they did not   7each other, during the test.

8they entered the classroom. The professor passed out the papers. And smiles   9on the students’ faces as they noted there were only five questions.

    Three hours had passed   10the professor began to collect the papers. The students no longer looked confident. On their faces was a frightened expression. Papers in hand, no one spoke as the professor faced the class.

    He looked at the   11faces before him, and then asked, “How many completed all five questions?”   12a hand was raised.

    “How many answered four?” Still no hands.

    “Three? Two?” The students moved restlessly in their seats.

    “One, then? Certainly somebody finished   13.”But the class remained silent.

    The professor put down the papers. “That is exactly what I   14,” he said. “I just want to impress upon you that,   15you have completed four years of engineering, there are still many things about the   16you don’t know. These questions you couldn’t answer are relatively   17in everyday practice. ” Then smiling, he added, “You will all   18this course, but remember — even though you are now college graduates, your education has just   19.”

The years have   20the name of this professor, but not the lesson he taught.

1.A. seconds            B. minutes          C. hours                D. days

2.A. interview      B. discussion           C. education            D. graduation

3.A. would          B. must             C. have to          D. used to

4.A. hold           B. control          C. charge           D. place

5.A. interesting        B. necessary            C. easy             D. unusual

6.A. no             B. either               C. any              D. all

7.A. listen to      B. look at          C. refer to         D. talk to

8.A. Nervously      B. Joyfully         C. Quickly          D. Curiously

9.A. appeared       B. changed          C. froze                D. stopped

10.A. then          B. as               C. before               D. after

11.A. pleased           B. worried          C. surprised            D. moved

12.A. Not           B. Once             C. Only             D. Even

13.A. all               B. none             C. one              D. it

14.A. wondered      B. enjoyed          C. hated                D. expected

15.A. right now     B. as though            C. now that         D. even though

16.A. exam          B. subject          C. question         D. college

17.A. valuable      B. difficult            C. common           D. strange

18.A. pass          B. fail             C. take             D. start

19.A. begun         B. completed            C. failed               D. succeeded

20.A. forgot            B. remembered       C. strengthened     D. weakened