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Decision-thinking is not unlike. It often matters not only what you think, but also what others think you think and what you think they think you think. The mental process（过程） is similar. Naturally, this card game has often been of considerable interest to people who are, by any standards, good thinkers.
The great mathematician John von Neumann was one of the founders of game theory. In particular, he showed that all games fall into two classes; there are what he called games of 'perfect information', games like chess where the players can't hide anything or play tricks; they don't win by chance, but by means of logic and skills. Then there are games of 'imperfect information', like poker, in which it is impossible to know in advance that one course of action is better than another.
One mistaken idea about business is that it can be treated as a game of perfect information. Quite the reverse, business and life itself are games which we must normally play with very imperfect information. Business decisions are often made with many unknown and unknowable factors（因素）, as best poker players. But few business people find it comfortable to admit that they are taking a chance, and many still prefer to believe that they are playing chess, not poker.
49．The subject discussed in this text is _________.
A．the process of reaching decisions
B．the difference between poker and chess.
C．the secret of making good business plans
D．the value of information in winning games
50．An important factor in a game of imperfect information is ___________.
A．rules B．luck C．time D．ideas
51．Which of the following can be used in place of "Quite the reverse"?
A．Quite right. B．True enough.
C．Most unlikely. D．Just the opposite.
52．In the writer's opinion, when making business decisions one should ___________ .
A．put perfect information before imperfect information
B．accept the existence of unknown factors
C．regard business as a game of chess
D．mix known and unknown factors
用所给单词的正确形式填空
The great racing driver, Sir Malcolm Campbell, was the first man to drive at over 300 miles per hour．He(1)________(set)up a new world record in September, 1935 at Bonneville Salt Flates, Utah．Bluebird, the car he(2)________(drive), (3)_______ specially ________(build)for him．It was over 30 feet in length and had a 2500 horse-power engine．Although Campbell(4)________(reach)a speed of over 304 miles per hour, he had great difficulty in controlling the car because a tyre(5)________(burst)during the first run．
After his attempt, Campbell was disappointed to learn that his average speed(6)________(be)299 miles per hour．However, a few days later, he(7)________(tell)that a mistake(8)_________(make)．His average speed(9)________(be)301 miles per hour．Since that time, racing drivers(10)_________(reach)speeds of over 300 miles an hour．
A 3 years ago,people were in the habit of making their own amusements.When a group of people 4 ,they talked,played cards or other games,or went out riding, shooting,or walking together.Most people could sing a little,or play some musical? instrument reasonably well；so at a party the guests amused each other.??5 , conversation(聊天) was an 6 ；amusing conversation could 7 people happy for hours.?
As for games such as football and cricket(板球),people were also in the habit of playing them themselves.Most of them did not play very well,but they 8 themselves and their friends.?
Nowadays we are amused by professional singers or players.Why listen to your friends singing when you can 9 the great singers of the world over the radio or on TV? Why play football with players who 10 very good when you can go to 11 some of the best players playing football in your country??
12 an important match? Few people do this.You may just sit comfortably?13 and watch the game without the 14 of going outside.?
The art of conversation and the 15 of playing and singing by ourselves are?16 ；people are becoming more and more lookers and listeners,and 17 doers and talkers. This change does people 18 .It is 19 to do something personally than 20 to sit and watch others doing it.
1.A.harm B.pleasure C.changes D.danger?
2.A.busy B.free C.good D.lazy?
3.A.hundred B.thousand C.century D.few?
4.A.walked B.played C.joined D.gathered?
5.A.First of all B.Above all C.After all D.At first?
6.A.art B.interest C.fun D.importance?
7.A.let B.make C.keep D.cause?
8.A.enjoyed B.played C.taught D.amused?
9.A.watch B.become C.hear D.admire?
10.A.is B.are C.is not D.are not?
11.A.join in B.play with C.watch D.find?
12.A.Acting B.Enjoying C.Seeing D.Playing?
13.A.at home B.at a cinema C.at a stadium D.at the playground?
14.A.problem B.trouble C.question D.difficulty?
15.A.custom B.habit C.practice D.interest?
16.A.growing B.developing C.dying D.disappearing?
17.A.better and bette B.worse and worse?
C.more and more D.fewer and fewer?
18.A.more good than harm B.either good or harm?
C.more harm than good D.neither good nor harm?
19.A.good B.better C.bad D.worse?
20.A.always B.seldom C.sometimes D.never??
查看习题详情和答案>>Yesterday evening, I went to see a film calling 1. ________
The Living Forest. I heard people said that it a good film, 2. ________
but I went to see it. At first, we saw 3. ________
the great land of the African Continent. There 4. ________
were still much undeveloped places. We could see 5. ________
Africa natives living in the forest. Their life 6. ________
were very hard, in some particular ways . 7. ________
we could not understand them not at all. Some people even 8. ________
sharpened their tooth and they thought it was very beautiful. 9. ________
Africa is also very famous of its animals. We saw several lions and other wild beasts.
10. ________
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