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振动筛所有零件中，传动皮带是最容易磨损的，其次是筛面，弹簧及轴承
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经皮冠状动脉介入治疗包括（）
A.经皮冠状动脉腔内成形术
B.定向性斑块旋切及吸引术
C.斑块旋磨术
D.支架置入术
E.激光血管成形术
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患者，男，25岁，学生。患者于2年前即有尿少、水肿，服药后好转，停止治疗。此后又经常出现水肿、尿少。近1周来病情加重，尿少、水肿明显，并出现畏寒肢冷、腰背冷痛、身倦无力、便溏等症状。应诊断为（）。
A.肾阳虚证
B.肾阴虚证
C.肾虚水泛证
D.脾阳虚证
E.脾肾阳虚证
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网络预约出租汽车驾驶员应当（）。
A.依法经营
B.诚实守信
C.文明服务
D.保障安全
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A piece of ( ) music will make you happy.
A、pleased
B、merry
C、glad
D、fond
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根据法律规范的效力强弱程序，法律规范可分为（）
A、确定性规范和准用性规定
B、授权性规范和义务性规范
C、强行性规范和任意性规范
D、委托性规范和准用性规范
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下列选项中，不属于商业银行理财业务特点的是()。A．风险低B．管理简单C．业务广D．经营收益稳定
下列选项中，不属于商业银行理财业务特点的是( )。 A．风险低 B．管理简单 C．业务广 D．经营收益稳定
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耳胀的主要症状和体征包括（）
A.耳内胀闭阻塞感 B.轻度耳痛，或有耳鸣 C.听力减退，白声增强 D.有鼓室积液征 E.听力呈传导性聋
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船舶的空船重心高度，可以从（）查到。
A.静水力曲线图 B.载重量表尺 C.静稳性曲线图 D.稳性报告书
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Frustrated with delays in Sacramento, Bay Area officials said Thursday they planned to take matters into their own hands to regulate the region’’s growing pile of electronic trash. A San Jose councilwoman and a San Francisco supervisor said they would propose local initiatives aimed at controlling electronic waste if the California law-making body fails to act on two bills stalled in the Assembly. They are among a growing number of California cities and counties that have expressed the same intention. Environmentalists and local governments are increasingly concerned about the toxic hazard posed by old electronic devices and the cost of safely recycling those products. An estimated 6 million televisions and computers are stocked in California homes, and an additional 6,000 to 7,000 computers become outdated every day. The machines contain high levels of lead and other hazardous substances, and are already banned from California landfills (垃圾填埋场). Legislation by Senator Byron Sher would require consumers to pay a recycling fee of up to $30 on every new machine containing a cathode (阴极) ray tube. Used in almost all video monitors and televisions, those devices contain four to eight pounds of lead each. The fees would go toward setting up recycling programs, providing grants to non-profit agencies that reuse the tubes and rewarding manufacturers that encourage recycling. A separate bill by Los Angeles-area Senator Gloria Romero would require high-tech manufacturers to develop programs to recycle so-called e-waste. If passed, the measures would put California at the forefront of national efforts to manage the refuse of the electronic age. But high-tech groups, including the Silicon Valley Manufacturing Group and the American Electronics Association, oppose the measures, arguing that fees of up to $30 will drive consumers to online, out-of-state retailers. "What really needs to occur is consumer education. Most consumers are unaware they’’re not supposed to throw computers in the trash," said Roxanne Gould, vice president of government relations for the electronics association. Computer recycling should be a local effort and part of residential waste collection programs, she added. Recycling electronic waste is a dangerous and specialized matter, and environmentalists maintain the state must support recycling efforts and ensure that the job isn’’t contracted to unscrupulous (毫无顾忌的) junk dealers who send the toxic parts overseas. "The graveyard of the high-tech revolution is ending up in rural China," said Ted Smith, director of the Silicon Valley Toxics Coalition. His group is pushing for an amendment to Sher’’s bill that would prevent the export of e-waste.
A．they contain large amounts of harmful substancesB．this is banned by the California governmentC．some parts may be recycled for use elsewhereD．unscrupulous dealers will retrieve them for profit
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关于小儿急性感染性喉炎的症状，哪项是错误的
A．声嘶
B．喉鸣
C．三凹征
D．犬吠样咳嗽
E．寒战
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学校工作的全面开展必须以( )为中心。
A．教育B．德育C．教学D．智力开发
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中链脂肪酸的碳链含碳原子数为（）
\tA.2～6个
\tB.4～6个
\tC.8～14个
\tD.9～13个
\tE.14个以上
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