题目内容
Write an essay in no less than 250 words with the title "Social Sciences and the Humanities should Play a More Important Role in the 21st Century".
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阅读“给定资料”，以“促进教育公平发展”为题写一篇议论文。 要求：(1)参考给定资料，自选角度，自拟题目。 (2)观点明确，联系实际，分析具体，条理清楚，语言流畅。 (3)总字数1000字左右。
Questions 47 to 56 are based on the following passage. Some farmers may replant corn. Others may (47) corn with soybeans (大豆) . What farmers do now depends partly on the (48) of damage to the land. Floodwaters in some areas may contain industrial waste or other (49) substances. What the weather does during the rest of the growing season will also be very (50) . Rain delay has (51) soybean planting behind the five-year average in twelve of eighteen major soybean- producing states. Other crops including wheat, rice and oats have also (52) . In Burlington, Iowa, as many as fifty trains normally pass through the city every day, (53) carrying coal or passengers. But Burlington is quiet now until water is off the rails and workers can inspect for damage. City Manager Doug Worden says Burlington took steps to prevent (54) property damage after the record floods of fifteen years ago. While the Midwest (55) with recent flooding, the nation’s top agricultural state, California, faces increasingly dry conditions. on June fourth, Governor Arnold Schwarzenegger declared a statewide drought, the first such action since nineteen ninety-one. The order (56) two years of below-average rainfall and other limitations on water supplies.A) replaceI) followedB) mostlyJ) rigidC) benefit K) harmfulD) suffered L) partlyE) deals M) receivingF) extent N) severeG) important O) slightH) left
试述H1受体阻断药的药理作用、临床应用和不良反应。
Hardly a week goes by without some advance in technology that would have seemed incredible 50 years ago. And we can expect the rate of change to accelerate rather than slow down within our lifetime. The developments in technology are bound to have a dramatic effect on the future of work. By 2010, new technology will have revolutionized communications. People will be transmitting messages down telephone lines that previously would have been sent by post, Not only postmen but also clerks and secretaries will vanish in a paper-free society. All the routine tasks they perform will be carried on a tiny silicon chip so that they will be as obsolete as the horse and cart after the invention of the motor car. one change will make thousands, if not millions, redundant. Even people in traditional professions, where expert knowledge has been the key, are unlikely to escape the effects of new technology. Instead of going to a solicitor, you might go to a computer which is programmed with all the most up-to-date legal information. Doctors, too, will find that an electronic competitor will be able to carry out a much quicker and more accurate diagnosis and recommend more efficient courses of treatment. In education, teachers will be largely replaced by teaching machines far more knowledgeable than any human being. Most learning will take place in the home via video conferencing. Children will still go to school though, until another place is created where they can make friends and develop social skills. What can we do to avoid the threat of unemployment We shouldn’t hide our heads in the sand. Unions will try to stop change but they will be fighting a losing battle. People should get computer literate as this just might save them from professional extinction. After all, there will be a few jobs left in law, education and medicine for those few individuals who are capable of writing and programming the software of the future. Strangely enough, there will still be jobs like rubbish collection and cleaning as it is tough to programme tasks which are largely unpredictable. The writer expects that by 2010 new technology will have revolutionized communications and______.
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