题目内容

Suppose you are the secretary of the manager of a Chinese company, GAO. You attended the negotiation between GAO and a foreign company. Write a memo of the negotiation. The memo should include: (1)time and place of the negotiation, (2)participants of the negotiation, (3) content of the negotiation including the agreement reached and the differences that still remain, and (4)the time for the next negotiation. You should write approximately 100 words. Do not sign your own name in the memo. Use "Wang Lin" instead.

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兼容型ECT与专用型PET成像的差异不包括()

A. 兼容型ECT符合图像分辨率显著低于专用型PET
B. 兼容型ECT符合图像的白噪声显著高于专用型PET图像
C. 兼容型ECT符合图像的灵敏度远低于专用型PET
D. 兼容型ECT符合成像不能对死时间及核素衰变进行校正,不能直接进行定量分析
E. 兼容型ECT符合成像和专用型PET均可对11C、15O、13N、18F标记的示踪剂成像,但兼容性ECT还可对99mTc、131I等单光子核素成像,而专用型PET则不能

Text 1 Americans are getting ready for the biggest soccer event in the world. For the first time the world cup soccer competition will be held in the United States. While millions play the game around the world, soccer or football has only recently become popular here. It is only in the last 30 years that large numbers of young Americans became interested in soccer. Now it is the fastest growing sport in the country. A recent study found that almost 18 million young boys and girls play soccer in the United States. The study also found that soccer is beginning to replace more traditional games like American football as the most popular sport among students. And so, when the world cup begins next week, more than one million Americans are expected to go and see the teams play. Organizers say this year’s world cup will be the biggest ever. All the seats at most of the 52 games have already been sold. Soccer has been played in the United States for a little more than one hundred years. But how did the sport come to this country And how long has it existed in other parts of the world No one knows exactly where the idea for soccer came from, or when people began playing the game. Some scientists say there is evidence that ball games using the feet were played thousands of years ago. There is evidence that ancient Greeks and Romans and native American Indians all played games similar to soccer. Most experts agree that Britain is the birthplace of modem soccer. They also agree that the British spread the game around the world. Unlike the game today, which uses balls of man-made material or leather, early soccer balls were often made of animal stomachs. The rules of early soccer games also differed from those we have today. Which of the following statements is NOT true according to the text

Americans were preparing for the world cup when the author wrote this article.
B. More and younger Americans became interested in soccer in the last 30 years.
C. Soccer is the fastest developing sport in the world.
D. No expert knows exactly where the idea for soccer came from.

输漆管路主要包括:主管线、支管线球阀、支架、保温套等。

A. 对
B. 错

Text 2 Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the nation. "I can’t think of a single study that hasn’t found Americans getting less sleep than they ought to," says Dr David. Even people who think they are sleeping enough would probably be better off with more rest. The beginning of our sleep-deficit crisis can be traced to the invention of the light bulb a century ago. From diary entries and other personal accounts from the 18th and 19th centuries, sleep scientists have reached the conclusion that the average person used to sleep about 9. 5 hours a night. "The best sleep habits once were forced on us, when we had nothing to do in the evening down on the farm, and it was dark." By the 1950s and 1960s, that sleep schedule had been reduced dramatically, to between 7.5 and 8 hours, and most people had to wake to an alarm clock. "People cheat on their sleep, and they don’t even realize they’re doing it," says Dr David. "They think they’re okay because they can get by on 6.5 hours, when they really need 7.5, 8 hours or even more to feel ideally vigorous." Perhaps the most merciless rubber of sleep, researchers say, is the complexity of the day. When ever pressures from work, family, friends and community mount, many people consider sleep the least expensive item on his programme. "In our society, you’re considered dynamic if you say you only need 5.5 hours’ sleep. If you’ve got to get 8.5 hours, people think you lack drive and ambition." To determine the consequences of sleep deficit, researchers have put subjects through a set of psychological and performance tests requiring them, for instance, to add columns of numbers or recall a passage read to them only minutes earlier. "We’ve found that if you’re in sleep deficit, performance suffers," says Dr David. "Short-term memory is weakened, as are abilities to make decisions and to concentrate." It can he concluded from the passage that one should sleep as many hours as necessary to ______.

A. improve one’s memory dramatically
B. be considered dynamic by other people
C. maintain one’s daily schedule
D. feel energetic and perform adequately

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