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听力原文：M: Rachael got an A in economics and only a C in political science.
W: Well, I still say that political science is a little less complicated than economics.
Q: Which subject does the man think is harder？
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Juan Ponce de Leon was the first Spaniard to touch the shores of the present United States. Just as Columbus had not remotely realized the extent of his momentous discovery, de Leon never dreamed that his "island" of Florida was a peninsular extension of the vast North American continent. After coming to the New World with Columbus in 1493, he had led the occupation of Puerto Rico in 1508 and governed it from 1509 to 1512. In 1509, de Leon started a colony at Caparra, later abandoned in favor of San Juan. He was one of the first adelantados -- men who "advanced" the Spanish Empire by conquest, subjugation of the Indians and establishment of a semi-military government.
In Puerto Rico he heard a legend about an island called Bikini, where there was said to be a spring that restored youth to all who bathed in it. It is said he was seeking this spring when he discovered Florida.
He sailed from Puerto Rico in March 15i3. On Easter Sunday he sight ed the coast. A few days later he landed on Florida's east coast, near what is now St. Augustine. He named the place La Florida after the Spanish term for Easter Sunday -- Pascua Florida, or "flowery feast." He then sailed around the peninsular and up the west coast. He returned to Florida in 1521.
In what year did de Leon discover Florida ？
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
(27)
Mr. White holds a very important post with the company, but he is never ______ about what
Other people feel sure that the present trend is towards too little sleep. To quote one medical opinion, "Thousands of people drift through life suffering from the effects of too little sleep; the reason is not that they can't sleep. Like advancing colonists, we do seem to be grasping ever more of the land of sleep for our waking needs, pushing the boundary back and reaching, apparently, for a point in our evolution where we will sleep no more. This in itself, of course, need not be a bad thing. What could be disastrous, however, is that we should press too quickly towards this goal, sacrificing sleep only to gain more time in which to jeopardize our civilization by actions and decisions made weak by fatigue.
Then, to complete the picture, there are those who believe that most people are persuaded to sleep too much. Dr. H. Roberts, writing in Every Man in Health, asserts it may safely be stated also. It would be a pity to retard our development by holding back those people who are gifted enough to work and play well with less than the average amount of sleep, if indeed it does them no harm. If one of the trends of evolution is that more of the life span is to be spent in gainful waking activity, then surely these people are in the van of this advance.
The author seems to indicate that ______.
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