［D］ entrepreneurs were those professionals conscious of risks

33. From the passage, we learn that.

［A］ an entrepreneur always has the courage to take risks

［B］ an entrepreneur understand the market is fluctuating

［C］ opportunities never favor those who don’t understand the market

［D］ an entrepreneur is sensitive and responsive to the market

34. The purpose of the author in writing the passage is to.

［A］ complete the definition of entrepreneur

［B］ explain the main characteristics of entrepreneurs

［C］ show what kind of people can become entrepreneurs

［D］ illustrate why Ray Kroc can become an entrepreneur

35. What will most possibly follow the text?

［A］ An example of how an entrepreneur operates.

［B］ Another theory about entrepreneurship.

［C］ The bad effects of entrepreneurs.

［D］ The good effects of entrepreneurs.

Text 4

If there is one thing scientists have to hear, it is that the game is over. Raised on the belief of an endless voyage of discovery, they recoil (畏缩) from the suggestion that most of the best things have already been located. If they have, today’s scientists can hope to contribute no more than a few grace notes to the symphony of science.

A book to be published in Britain this week, The End of Science, argues persuasively that this is the case. Its author, John Horgan, is a senior writer for Scientific American magazine, who has interviewed many of today’s leading scientists and science philosophers. The shock of realizing that science might be over came to him, he says, when he was talking to Oxford mathematician and physicist Sir Roger Penrose.

The End of Science provoked a wave of denunciation in the United States last year. “The reaction has been one of complete shock and disbelief,” Mr. Horgan says.

The real question is whether any remaining unsolved problems, of which there are plenty, lend themselves to universal solutions. If they do not, then the focus of scientific discovery is already narrowing. Since the triumphs of the 1960s—the genetic code, plate tectonics (板块构造说), and the microwave background radiation that went a long way towards proving the Big Bang—genuine scientific revolutions have been scarce. More scientists are now alive, spending more money on research than ever. Yet most of the great discoveries of the 19th and 20th centuries were made befo

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