更多“圭多在音乐上做出了哪些贡献？”相关的问题
在成瘾者吸食某毒品一个月以后，通过以下哪种检测方式依然还能检测出来（）
A.尿液检测 B.毛发检测 C.唾液检测 D.血液检测
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建设工程监理招标与投标 某城市高层建筑工程项目的业主与某监理公司和某建筑工程公司分别签订了建设工程施工阶段委托监理合同和建设工程施工合同，该工程为列入城建档案管理部门档案接收范围的工程。对于...城建档案管理部门在进行工程档案预验收时，应重点验收什么内容？
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意象中的象主要体现在什么方面？（）
A.由想像创造出来的B.体现主体之意C.意图表达的思想情感D.审美理想
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把对象的数据和相应的方法程序、属性、事件代码捆绑包装在一起，就称为 【3】 。
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蒙古历次西征到达了下列地区中的：()
A.叙利亚
B.伊拉克
C.伏尔加河流域
D.埃及
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一方以欺诈、胁迫的手段或者乘人之危，使对方在违背真实意思的情况下订立的合同无效（ ）
A . 正确B . 错误
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下列关于动物类群主要特征的叙述，正确的是（）
A.腔肠动物身体呈两侧对称，体表有刺细胞
B.扁形动物身体呈辐射对称，有口无肛门
C.线形动物身体分节，体表有角质层
D.节肢动物身体和附肢都分节，体表有外骨骼
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重庆单轨车4辆编组车共有（）台VVVF控制，每台VVVF控制（）台主电机
A.4，2 B.6，1 C.6，2 D.4，3
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早期肛裂宜用何种药膏涂于裂口
A．太乙膏
B．青黛散油
C．金黄油膏
D．生肌玉红膏
E．红油膏
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关于钙生理功能的叙述中，正确的是( )。 A．钙是骨盐的成分 B．Ca2+是凝血因子之一 C．Ca2+可增强心肌收缩 D．Ca2+是酶的抑制剂
A.钙是骨盐的成分B.Ca2+是凝血因子之一C.Ca2+可增强心肌收缩D.Ca2+
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For an increasing number of students at American universities, Old is suddenly in. The reason is obvious: the graying of America means jobs. Coupled with the aging of the baby-boom (生育高峰) generation, a longer life span means that the nation’s elderly population is bound to expand significantly over the next 40 years. By 2040, 25 percent of all Americans will be older than 65, up from 14 percent in 1995. The change poses profound questions for government and society, of course. But it also creates career opportunities in medicine and health professions, and in law and business as well. "In addition to the doctors, we’re going to need more sociologists, biologists, urban planners and specialized lawyers," says Professor Edward Schneider of the University of Southern California’s (USC) School of Gerontology (老年学). Lawyers can specialize in "elder law", which covers everything from trusts and estates to nursing-home abuse and age discrimination (岐视). Businessmen see huge opportunities in the elder market because the baby boomers, 74 million strong, are likely to be the wealthiest group of retirees in human history. "Any student who combines an expert knowledge in gerontology with, say, an MBA or law degree, will have a license to print money," one professor says. Margarite Santos is a 21-year-old senior at USC. She began college as a biology major but found she was "really bored with bacteria." So she took a class in gerontology and discovered that she liked it. She says, "I did volunteer work in retirement homes and it was very satisfying.\
A．1) most probably means ______.A. America has suddenly become a nation of old peopleB. gerontology has suddenly become popularC. name elderly professors are found on American campusesD. American colleges have realized the need of enrolling older students
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企业所得税法规定，计算应纳税所得额时，下列项目可以在税前直接扣除的是（）。
A . 无形资产受让.开发支出
B . 各项税收的滞纳金.罚金和罚款
C . 企业发生的合理的劳动保护支出
D . 超过国家规定限额的公益救济性捐赠部分
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主机执行过程中可导致中断的突发事件最贴切的为下列哪项？（）
A.程序执行中出现的除数为零
B.外部设备请求、断电
C.程序执行前不可预知的情况
D.以上所有
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治疗颅内肿瘤的首选方法为（）
A . 免疫治疗
B . 放射治疗
C . 手术切除
D . 化学治疗
E . 脱水治疗
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