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发现或怀疑某批药品存在缺陷，应当考虑检查（），查明其是否受到影响。
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某公司原有资产1000万元，其中长期债券400万元，筹资费用率2%，票面利率9％；长期借款100万元，利率10%；优先股100万元，年股息率11%；普通股400万元，目前每股股利为2.6元，股价20元，并且股利以2%的速度递增。企业适用所得税税率为30%。该公司计划再筹资1000万元，有A、B两个方案可供选择：A方案：发行1000万元债券，票面利率10%；B方案：发行600万元债券，票面利率10%，发行400万元普通股，预计发行后每股股利为3.3元，股价为30元，年股利以4%的速度递增。原方案的加权平均资金成本为（）。
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Questions 11 to 15 are based on the following passage. Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts. The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come. The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA. But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for. Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms. The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms. Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system. There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one. According to the author, knowing the cause of the misery will help（） We learn from the passage that （） According to the passage, to combat the flu effectively, （） Which of the following symptoms will distinguish the flu from a cold? （） If children have flu-like symptoms, their parents （）
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企业会计账薄的更换通常在新会计年度建账时进行。
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男性，22岁，摔倒后左肩部疼痛，不敢活动1小时。患者1小时前踢球时不小心摔倒，左手掌着地，伤后左肩关节疼痛，不干活动。以右手拖住左前臂，自行步入急诊，伤后意识清楚，未进食水。既往体健，无高血压、肝病和心脏病病史，无烟酒嗜好，父母身体健康，无遗传家族病史。查体：T36.2℃，P90次／分，R16次／分，BP125/75mmHg。双肺未闻及干、湿啰音，心界不大，心率90次／分，律齐。未闻及杂音。腹平软，无压痛，肝脾肋下未触及，双下肢感觉运动正常。左肩呈方肩畸形，肩胛盂处空虚感，左肩活动受限，Dugas征阳性，左手感觉运动正常。辅助检查：左肩正位X光片：左肱骨头离开肩胛盂窝，位于喙突的下方，大结节处骨皮质不连续伴移位。要求：根据以上病历摘要，请写出初步诊断及诊断依据（如有两个以上诊断，应分别写出各自诊断依据），鉴别诊断，进一步检查与治疗原则。
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下列（）不属于服务员应掌握的“三了解”内容。
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金线苏画
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既有线提速200km/h技术条件中对受电弓滑板受到的垂向冲击加速度有何规定？
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患者，女，60岁，确诊类风湿关节炎20余年，近年来出现干咳，活动后呼吸困难，肺功能提示弥散功能障碍，最可能合并的疾病是（）
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根据《物权法》，下列关于抵押的说法，正确的是（）。