Nowadays we call see more and more electric bikes hi the street. Electric bikes are easy to  41  and they can run faster than ordinary bikes. So they become very  42  in many cities in China now.
But the electric bikes also  43 many traffic accidents happen. So the Chinese government plans to make a new   44  for the electric bike riders(骑车者). If  45   electric bike is heavier than  40 kilos and it can go   46  than 20 kilometers an hour, its rider must get a license (执照). It means riders have to pass driving test  47 __ they ride their electric bikes on the road.
People have different ideas about the rule. Some people like the rule  48   they think it will make the street much safer. But some people are not  49 the new rule at all. One rider said, "I don’ t want to get a license or   50  , I don’ t like too many rules in life. " What’ s your idea, my friends?

The computer is fast, and never makes a mistake, while people are too slow, and full of mistakes sometimes. That’s __36__ people often say when __37__ talk about computers. For over a quarter of a century, scientists have been __38__ better and better computers. Now a computer can __39__ a lot of __40__ jobs wonderfully. It is __41__ used in factories, hospitals, post offices and airports. A computer can report, decide and control in almost __42__ field. Many computer scientists are thinking of __43__ the computer “think” like a man. With the help of a person, a computer can __44__ pictures, write music, talk with people, play chess, recognize voices, translate languages and so on. Perhaps computers will __45__ really think and feel. Do you think the people will be afraid __46__ they find that the computer is too clever to listen to and serve the people? No, people will __47__ better use of the computers in __48__ future. Man is __49__ the master（主人） of the computer. The computer works only __50__ the help of man. It cannot take the place of (取代) man.

(     )36. A. that                B. what            C. how                  D. why

(     )37. A. we                 B. they             C. you            D. people

(     )38. A. loving             B. taking           C. making       D. thinking

(     )39. A. have            B. get               C. do              D. offer

(     )40. A. everyday         B. every day     C. each day     D. some day

(     )41. A. widely            B. wide            C. great             D. deeply

(     )42. A. either              B. all                C. both                  D. every

(     )43. A. producing          B. ordering       C. making       D. building

(     )44. A. take                B. look at          C. draw             D. put

(     )45.A. one day           B. a day            C. any day      D. the other day

(     )46.A. when                  B. that              C. how                  D. while

(     )47.A. chose                  B. get               C. take            D. make

(     )48.A. a                     B. an                C. the                   D. /

(     )49.A. often            B. never           C. always           D. sometimes

(     )50.A. with             B. under           C. by              D. for