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民族是人类社会发展到一定历史阶段的产物，有其产生、发展、消亡的过程和规律。( )
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Migrant (移民的) WorkersIn the past twenty years, there has been an increasing tendency for workers to move from one country to another. While some countries have restricted most (51) to local people, others have attracted and welcomed migrant workers. This is particularly the case in the Middle East, (52) increased oil incomes have enabled many countries to call in outsiders to improve local facilities. Thus the Middle East has attracted oil-workers (53) the .U.S.A. and Europe. It has brought in workers from many countries, (54) South Korea and Japan.In view of the difficult living and working (55) in the Middle East, it is not surprising that the pay is high to attract suitable workers. Many engineers and technicians can (56) at least twice as much money in the Middle East as they can in their own country, and this is a major (57) .Sometimes a disadvantage has a compensating (补偿) advantage. For example, the (58) living conditions often lead to increased friendship when workers have to (59) on each other for safety and comfort. In a similar way, many migrant workers can save large sums of money partly because of the (60) of entertainment facilities. The work is often complex and full of problems but this merely (61) greater challenge to engineers who prefer to find solutions to problems rather than do routine work in their home country.One major problem which (62) migrant workers in the Middle East is that their jobs are temporary ones. They are nearly always on (63) , so it is not easy for them to plan ahead with great confidence. This is to be (64) since no country welcomes a large number of foreign workers as permanent residents. In any (65) , migrant workers accept this disadvantage, along with others, because of the considerable financial benefits which they receive. 58().
能明确诊断糖尿病的最佳化验检查是
Road Trip Vacation It’s summer. In the United States, it’s the season of swimming pools, barbeques (户外烤肉), camping and road trips. Road trip vacations where the car Journey is part of the fun are especially with college students, who like to explore the country on wheels. These budget trips are ideal for students who often have plenty of free time but little money. "Ever since I went to college, I’ve been traveling around a lot, exploring the country." said Austin Hawkins, a 19-year-old college student from New York. This summer, Hawkins and his friends have spent weekends traveling in New England. The best part about car trips, said Hawkins, is that you can be spontaneous. "On a road trip, if you get interested in things you see along the way you can stop and explore." Matt Roberts, a 20-year-old student from Ohio Who drove to Montreal, Canada, agrees. "With road trips you don’t have to plan in advance, you can just get into a car and drive." Even with high gas prices, driving with friends is cheaper than flying. Roberts paid about 40 dollars for gas, but a round trip plane ticket would have cost nearly 400 dollars. Driving trips first became popular in the 1920s. Newly paved roads and improved cars made it possible to travel longer distances. Motels (洗车旅馆) started, apppearing outside cities. By the 1950s, car ownership became the norm. Construction of the US interstate (州) highway system began in 1956 and motel and restaurant chains popped up (突然出现) everywhere making long distance trips easier. Today, the US has the highest car ownership rate in the world. Only 8 percent of American homes have no ear, according to the most recent US census. Though many college students don’t own a car, most have access to one. On many of Hawkins’ trips, they used a borrowed van. Hawkins’ most memorable road trip took place over spring break. He and two friends drove from New York to New Orleans to volunteer, helping rebuild the city after Hurricane (风暴) Katrina hit it last July. They crossed the country in two days and slept in their car in church parking lots. Roberts’ road trip to Canada last winter was even more eventful. Upon arriving in Montreal, they were lost in a blizzard and shivering in the—25°cold. To find their hotel, they turned on a laptop (笔记本电脑) and drove around in circles until they found a spot with wireless Internet coverage. "I know we should have planned better, but we’re young. Now, when I see those guys I always say, ’Remember when we were lost in the snow storm! ’I’ll never forget that.\ When did motels suddenly appear everywhere
王先生，38岁，患l型糖尿病已10年，中断胰岛素治疗l周后发生酮症酸中毒，经治疗后意识恢复，短时间内又突感心悸、饥饿、出汗，随即又意识不清，应立即
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