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简述知识产权的定义及其特点。

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The word “quadrupled” in the last paragraph is close in meaning to “multiplied by ______.”

A. three times
B. four times
C. five times
D. six times

SECTION C NEWS BROADCAST
Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be given 10 seconds to answer the questions.
听力原文： The American adventurer Steve Fossett has successfully completed the longest-ever non-stop flight in an aircraft. He took off from Cape Canaveral in Florida three days ago and has covered more than 40 thousand kilometers. He landed in southern England, ending his fight slightly earlier than expected due to technical problems. At a news conference, he described the drama at the end of his flight. "The generator light came on, and as pilots we know, that's really serious that ii you don't have a generator, and all you have available for electrical powers in your battery don't last for about 25 minutes."
Steve Fossett landed in his destination ahead of scheduled time because ______.

A. there was something wrong with the generator.
B. the pilots of the aircraft went on a strike.
C. there was no electrical power in the battery.
D. he didn't know how to generate electricity.

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In the author’s opinion, the way that can save private schoo1s lies in______.

A. full enrollment
B. raising fees
C. reducing student aid
D. national support

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The expression “to do both” in the last paragraph is______.

A. to finish their work satisfactorily and relax and enjoy themselves
B. to pay attention to both performance and productivity
C. to work long hours and have short vacations
D. to relax and enjoy themselves quite frequently

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