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将家庭PC机拉入Internet的方式有多种，通过有线电视网也可接入Internet。此时 PC机需要使用的接入设备是 【19】 MODEM。
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Passage Four The night is not what it was. Once, the earth was cast half in shadow. Then came fire, candle, and light bulb, gradually drawing back the curtain of darkness. But a brighter world has its drawbacks. An estimated 30 percent of outdoor lighting—plus even some indoor lighting—is wasted. Inefficient lighting costs U.S. about $10.4 billion a year, according to bob Gent of the International Dark Sky Association, a nonprofit that aims to control light pollution. Last year, in Sydney, an estimated 2.2 million Australians switched off their lights during "Earth Hour", briefly reducing that city’s energy use by more than 10 percent. Motivated by such trends, more than two dozen cities worldwide went dim on March 29 this year in an hour-long demonstration. A number of groups are trying to measure light pollution and assess its effect on the environment in the hope that people will reduce their own contribution to the problem. Scientists are trying to report how many stars we can see. In dark rural areas, about 2,000 stars are typically visible at night, compared with "maybe five" in a bright city square—and about 5,000 in centuries past. People who are working while others are star-gazing may face the greatest risks. Nighttime exposure to white light can cause the growth of tumors (肿瘤), experiments show. Two decades of research indicate that women who work at night shifts have unusually high rates of breast cancer. On March 29 this year people in many cities around the world ______.
《药品经营质量管理规范》规定：应具有药学专业技术职称的是( )
在下列两个实例中各有5个问题，请在各问题答案的选项中，选出一个或一个以上正确答案。 2007年9月，上海申龙进出口公司向广州海关申报出口一批“阿迪达斯”牌运动服(该品牌已于1999年向海关总署就“阿迪达斯”商标申请过知识产权备案)。查验当天，阿迪达斯公司中华区总负责人称该货物为假冒伪劣商品，向上海海关申请扣留了该批货物。经过海关工作人员的调查，认定该公司的“阿迪达斯”运动服均为假冒伪劣产品，侵犯了阿迪达斯公司的商标专用权，海关依法对该公司进行了处罚，没收了该批货物。 根据上述材料，回答下列问题： 我国知识产权海关保护的范围包括( )。
经营者提供的服务，按国家规定，承担包修、包换、包退责任的应( )
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