1. A. for 　　　　　　　　　　　　　　　　　 B. with　　　　　　　　　　　　 C. on　　　　　　　　　　　　　　 D. as

50. What is this passage mainly about?

A. Approaches to the commercial use of computers.

B. Conveniences brought about by computers in business.

C. Significance of automation in commercial enterprises.

D. Advantage of credit cards in business.

Test 9:

完型：11-15　 D B A C D　　 16-20　 D A B B D

语法：1. important　　2. and　　　 3. of　　　 4. yourself　　 5. Successful　　

49. It can be inferred that _______.

A. computers will bring disaster

B. computer industry will not develop faster

C. computers will bring about more convenience to people’s life

D. computer can analyze marketing reports

48. The phrase “ring up sales” (Lines 2-3, Para. 2) most probably means _______.

A. make an order of goods

B. record sales on a cash register

C. call the sales manager

D. keep track of the goods in stock

47. From the last sentence of the first paragraph we learn that _______.

A. in the future all the Americans will use credit cards

B. credit cards are mainly used in the United States today

C. nowadays many Americans did not pay in cash

D. it is now more convenient to use credit cards than before

46. According to the passage, the credit card enables its owner to _____.

A. withdraw as much money from the bank as he wishes

B. obtain more convenient services than other people do

C. enjoy greater trust from the storekeeper

D. cash money where he wishes to

19. A. size　　　　　　 B. shape　　　　　 C. situation　　　　 D. style

18. A. wonderful　　　 B. healthy　　　　　 C. good　　　　　 D. normal