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Man: I have received a letter from Harry this afternoon. He said he wants to know if he can get a job in your office for the summer.Woman: I rather think it would be better for him to get a job somewhere else to learn to stand on his own feet instead of depending on his family to help him.Question: What is the probable relationship between Harry and the man
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船公司与托运人之间的责任界限和装船费用的分担仍然以船边货物挂上吊钩为界。( )
A complex operation called spinal fusion has emerged as the treatment of choice for many kinds of back pain. But a number of researchers say there is little scientific evidence to show that for most patients, spinal fusion works any better than a simpler operation, the lamineetomy (椎板切除术). Some people would be better off with no surgery at all. Even doctors who favor fusions say that more research is needed on their benefits. In the absence of better data, critics point to a different reason for the fusion operation’s fast rise: money. Medicare can pay a surgeon as much as four times more for a spinal fusion as for a laminectomy. Hospitals also collect two to four times as much. "We all cave in to market and economic forces," said Dr. Edward C. Benzel. Though doctors, as a rule, should favor the least complicated treatment—with surgery being the last resort — Dr. Benzel estimated that fewer than half of the spinal fusions done today were probably appropriate. Doctors and hospitals are not the only players with a financial stake in fusion operations. Critics blame the companies that make the hardware for promoting more complex fusions without evidence that they are significantly more effective. Some sort of hardware is used in almost 90 percent of lower-back fusions and the national bill for the hardware alone has soared to $ 2.5 billion a year. The hardware makers acknowledge giving surgeons millions of dollars for consulting and researches, but say the money promotes technical and medical advances that improve back care. But a lawsuit brought by Scott A. Wiese, a former sales representative of Medtronic-the biggest maker of spinal hardware, accused the company of trying to persuade surgeons to use its products with offers of first-class plane tickets to Hawaii and nights at the finest hotels. Medtronic said it did nothing wrong, and it denied the accusations in the lawsuit. But the company disclosed earlier this year that the federal government was investigating charges that it paid illegal kickbacks to surgeons. Federal officials declined to comment on the investigation, and Medtronic said it would vigorously defend itself. Still, between the allure of money and the quest for breakthroughs in treatment, some prominent spinal surgeons say that back care has gone astray. What does the author mean by "back care has gone astray" in the last paragraph
(31)到(35)题使用下列数据表。 “外汇名”表： 外币代码 外币名称 现钞买入价 现钞卖出价 基准价 13 欧元 958.6400 985.2300 996.5400 28 英镑 1220.9700 1330.2200 1287.4565 37 法郎 592.7650 618.1305 612.5910 26 加元 516.4110 531.4280 519.8690 15 美元 811.5410 817.8900 815.6650 “持有数”表： 姓名 外币代码 持有数量 李巡芬 37 30000.00 张武奇 13 1000.00 陆凭凭 15 3000.00 陆凭凭 37 4000.00 张武奇 15 2200.00 林诗诗 26 2000.20 李巡芬 26 30000.00 张武奇 28 3000.00 陆凭凭 26 3000.00 陆凭凭 13 4000.00 张武奇 26 18000.00 查询持有外币种类在4种以上人员的姓名，及持有的种类数量，并按种类数量升序排列，数量相同时，则按姓名降序排列，下列语句正确的是( )。
Curt Dunnam bought a Chevrolet Blazer with one of the most popular new features in high-end cars: the OnStar personal security system. The heavily advertised communications and tracking feature is used nationwide by more than two million drivers, who simply push a button to connect, via a built-in cellphone, to a member of the OnStar staff. A Global Positioning System, or G. P. S. , helps the employee give verbal directions to the driver or locate the car after an accident. The company can even send a signal to unlock car doors for locked-out owners, or honk the horn to help people find their cars in an endless plain of parking spaces. The biggest selling point for the system is its use in thwarting car thieves. Once an owner reports to the police that a car has been stolen, the company can track it to help intercept the thieves, a service it performs about 400 times each month. But for Mr. Dunnam, the more he learned about his car’s security features, the less secure he felt. He has enough technical knowledge to worry that someone else-law enforcement officers, or hackers-could listen in on his phone calls, or gain control over his automotive systems without his knowledge or consent. "While I don’t believe G. M. intentionally designed this system to facilitate such activities, they sure have made it easy," he said. Mr. Dunnam said he had become even more concerned because of a federal appeals court case involving a criminal investigation, in which federal authorities had demanded that a company attach a wiretap to tracking services like those installed in his car. The suit did not reveal which company was involved. A three-judge panel in San Francisco rejected the request, but not on privacy grounds; the panel said the wiretap would interfere with the operation of the safety services. OnStar has said that its equipment was not involved in that case. An OnStar spokeswoman, Geri Lama, suggested that Mr. Dunnam’s worries were overblown. The signals that the company sends to unlock car doors or track location-based information can be triggered only with a secure exchange of specific identifying data, which ought to deter all but the most determined hackers, she said. The most important feature of OnStar advertised by the company is that it can ______.
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