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Nearly all surgical stunts stick themselves with needles and (62) instruments while in training. But (63) fail to report the injuries, (64) their health and that of their families and patients to the threat of (65) disease, according to a survey by Dr. Makary and colleagues being published today. Their being (66) was the chief reason the surgical residents (67) for the injuries, which were mostly (68) . The survey revealed that young surgeons didn’t report the potentially fatal injuries for a range of reasons. (69) a time surgeons feel that doing so would take too much time, could (70) career opportunities and might cause a loss of face among (71) . In addition, there was a (72) belief that getting even timely medical attention would not prevent infection. "It’s been long (73) , but no one truly appreciated the (74) of the problem," said Martin Makary. "Every surgeon is (75) to be on anti-HIV medications and is at risk for contracting HIV and hepatitis at far higher rates than we suspected." "Part of the surgical culture has been maintaining the patient first at all cost, and when an accident occurs in the operating room, the surgeon’s (76) inclination is to continue with the operation," he said. "But the extent of the problem is much greater than we thought. Previous estimates of injuries understate the seriousness of the problem, (77) mast of the injuries are not being recorded." "More hospitals need to do a better job in protection", Makary said. "They need more appropriate and more timely surgical systems (78) surgeons can get medical treatment immediately, not after a long (79) process that takes them away from the patient." The findings (80) the need for "immediate steps to improve safety and care for health care workers to reduce the spread of HIV and hepatitis infection," he said. The hospitals could (81) so-called "sharpies" technologies where possible, including electric scalpels, clips and glues.

A) self-projected C) self-injected
B) self-inserted D) self-inflicted

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2011年8月20日,文博公司与圣杰公司签订了购销合同,约定由文博公司提供10台型号为3TF6844——OCM7德国产柴油机,单价55300元,总金额为553000元,预付货款20万元,其余款项在收到货物后15日内付清,合同生效后30日内交货。文博公司负责运输,圣杰公司决定运输方式(如圣杰公司不指定,则默认为中铁快运)。合同签订后,圣杰公司于同年8月25日支付货款20万元。文博公司分别于同年9月2日、3日、6日通过中国铁路货物快运先后向圣杰公司发运5台、3台、2台柴油机,圣杰公司则于同年9月9日付货款15万元。同年9月15日。圣杰公司致电文博公司,称只接到8台柴油机,且其中有2台柴油机损坏,影响使用,请文博公司予以解决。9月16日,文博公司回函给圣杰公司。同意先调换2台柴油机给圣杰公司以满足生产需要,并要求圣杰公司如期付款。此后,文博公司未予调换柴油机,圣杰公司也未再付货款。10月10日,文博公司将其对圣杰公司请求付款的权利转让给天宇公司,并通知了圣杰公司,圣杰公司未予答复。天宇公司请求圣杰公司支付剩余货款遭到拒绝,为此诉至法院。经查,文博公司于9月6日发运的2台柴油机因不可抗力而在运输途中灭失。 根据《合同法》,关于文博公司与天宇公司之间的货款转让协议的效力的表述正确的是( )。

A. 征得圣杰公司同意后有效
B. 无效
C. 效力未定
D. 有效
E. 可撤销

Questions 22 to 25 are based on the conversation you have just heard.

A. She thinks they are impractical.
B. She thinks they are useful but too expensive.
C. She thinks they are feasible.
D. She thinks they are not instructive enough.

The University Library is one of the largest (36) libraries in the country, with a (37) of some two million volumes. There is an active collection for all subjects which are taught or researched at (38) level in the University. The Library also (39) as a national resource center in certain subject areas. For (40) research in the humanities, and in the history of the social, natural and physical sciences, the University Library has (41) impressive special collections of (42) and rare primary materials, both manuscript and printed, which (43) scholars from all over the world. (44) . The University Library is highly automated, and the benefits of this for readers are especially evident and a microcomputer cluster for free student used. (45) . These include reference and enquiry services, individual and group training in the effective use of information technology and other sources, interlibrary loans, library publications, photocopying and other reprographic services, and binding and conservation. (46) . There are separate libraries, administered by the Main Library, for fine arts, music, 1iterature and early modern studies, education, law, chemical engineering, electronic and electrical engineering, social sciences, and medicine and life sciences.

甲公司是乙公司下属的分公司。2010年10月6日,甲为丙公司与金融机构的贷款5000万元提供保证担保。现丙公司到期未能偿还借款,金融机构遂将甲及丙公司均诉诸法院。问:甲公司所出具的保证是否有效

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