The reason is __________ he is unable to operate the machine.

A. because 　　　 B. why 　　　　　C. that 　　　　D. whether

China's evaluation system of a researcher's work that focuses on the ________ of published papers rather than the quality have led to the shortage of world?leading experts.

A. potential　　 B. recognition　　 C. relativity　　　 D. quantity

If you ________ that film late last night，you wouldn't be so sleepy.

A．didn't see 　　　　 B．haven't seenC．wouldn't have seen D．hadn't seen

Many friends were invited to Mary's birthday party, Jack____________(包括).

Living in the central Australian desert has its problems, _____ obtaining water is not the least. 
A. of which     B. for what     C. as     D. whose

There was an accident on the road last night but there was no i_____________reported according to the latest news.

Charlie and Jackie joined a wholesale company together just after graduation. They both worked very hard. After several years, the boss made Jackie sales manager but Charlie 　1 a salesman. One day Charlie could not 　2 it any' more. He handed in his resignation letter (辞职信) to the boss and complained that the boss did not 　3 hard working employees, but only raised those who tried to please him. He thought that it was really 　4　 .

The boss knew that Charlie had spared no 　5 for the company all these years, but in order to help Charlie to realize the 　6 between him and Jackie, the boss asked Charlie to do the 　7 . "Go and find out if there is anyone selling watermelons in the market." Charlie went, returned and　 8 said, "Yes." The boss asked, "How much per kg?" Charlie went back to the market to ask and returned to 　9 , "$ 12 per kg."

The boss told Charlie that he would ask Jackie the 　10 question. Jackie went, returned and said, "Boss, only one person selling watermelons. $ 12 per kg, $ 100 for 10 kg. He has a 　11 of 340 melons. On the table are 58 melons, and every melon weighs about 15 kg, 　12 from the South two days ago. They are fresh, red, and of good 　13　 ."

Charlie was 　14　 and he realized the difference between himself and Jackie. He decided not to 　15 but to learn from Jackie.

My dear friends, you know, a more 　16 person is more observant, thinks more and understands in 　17　 . For the same matter, he sees several years ahead, 　18 you see only tomorrow. The difference between a year and a day is 365 times, so how could you 　19　 ?

Think: how far have you seen ahead in your life? How 　20 are you?

1. A. made　　　　　　　 B. became　　　　　　 C. remained　　　　　　 D. kept

2. A. take　　　　　　　 B. do　　　　　　　 　C. get　　　　　　　　 D. put

3. A. enjoy　　　　　　　 B. meet　　　　　　　 C. repay　　　　　　　 D. value

4. A. unusual　　　　　　 B. unfair　　　　　　　 C. careless　　　　　　　 D. selfless

5. A. rest　　　　　　　 B. trouble　　　　　　　 C. effect　　　　　　　 D. effort

6. A. competition　　　　 B. relationship　　　　　 C. difference　　　　　 D. distance

7. A. following　　　　　 B. finding　　　　　　 C. shopping　　　　　　 D. searching

8. A. still　　　　　　　 B. again　　　　　 　　 C. even　　　　　　　　 D. only

9. A. offer　　　　　　　 B. answer　　　　　　 C. remind　　　　　　　 D. repeat

10. A. difficult　　　　　　 B. familiar　　　　　　 C. same　　　　　　　　 D. simple

11. A. total　　　　　　　 B. lot　　　　　　 　　C. pile　　　　　　　　 D. number

12. A. taken　　　　　　　 B. come　　　　　　　 C. bought　　　　　　　 D. heard

13. A. value　　　　　　　 B. quality　　　　　　　 C. condition　　　　　　 D. shape

14. A. struck　　　　　　 B. moved　　　　 C. puzzled　　　　　　　 D. encouraged

15. A. stay　　　　　　　 B. stop　　　　　　　　 C. work　　　　　　　　 D. leave

16. A. important　　　 B. intelligent　　　　 C. successful　　　　　　 D. hardworking

17. A. time　　　　　　　 B. depth　　　　 　C. need　　　　　　　　 D. common

18. A. while　　　　　　　 B. though　　　　　　　 C. unless　　　　　　　 D. since

19. A. see　　　　　　　　 B. think　　　　　　　　 C. know　　　　　　　 D. win

20. A. hopeful　　　　　 B. thoughtful　　　　　 C. helpful　　　　　　 D. meaningful

You are late. If you ___ a few minutes earlier, you ___ him.
A. came/ would meet 　　　　　　　 B. had come/ would have met

C. come/ will meet 　　　　　　　　　 D. had come/ would met

—They are late again! Why?

　 —They________ the train again, I’m afraid.

A. can have missed　　　 B. could miss

C. must have missed　　　 D. might miss

She wants her paintings　 in the gallery, but we don t think they would be very popular.

　 A．display　　　　 B．to display　　　 C．displaying 　　　 D．displayed