更多“房地产经纪机构应当保存房地产经纪服务合同，保存期应至少保存（”相关的问题
企业在筹建期间发生的下列的项目，不得计入开办费的有（）。
A.由投资者负担的费用支出 B.取得各项固定资产、无形资产所发生的支出 C.应计入资产价值的汇兑损益、利息支出 D.注册登记费
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从生命结构层次来看，细胞生物学介于______之间。
A．整体和个体
B．细胞与分子
C．个体与个体
D．整体与分子
E．分子生物学与个体生物学
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目前用于小肝癌定位诊断的各种检查方法中，最优者是（）
A.CT检查 B.放射性核素肝扫描 C.B型超声检查 D.选择性腹腔动脉造影或肝动脉造影 E.CT+肝动脉造影
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关于中心暗场成像，以下说法正确的是（）。
A.利用衍射束得到图像衬度B.透射束被挡掉C.用于成像的是离轴光线D.入射电子束方向倾斜2θ
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牵引杆装置各销均需进行表面淬火，淬火硬度为（）。
A . A、50～55HRC
B . B、45～50HRC
C . C、60～62HRC
D . D、61～62HRC
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感染性休克模型制备，下列哪项动物最敏感（）。
A.猫 B.猪 C.小鼠 D.狗 E.兔
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在美国和其他西方国家研究犯罪与心理因素关系的有很多，影响较大的有（）
A.标签学派和行为学派 B.心理分析学派和亚文化学派 C.亚文化学派和冲突学派 D.心理分析学派、行为学派和心理生物学派
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汽车贴膜之后多久之后可以用吸盘吸（）
A.两个月
B.一月
C.半月
D.一周
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生产、经营和住宿于一体的场所称为“三合一”场所，发生火灾时易造成人员伤亡，下列（）场所不属于三合一场所。
A.某商店店内搭建阁楼住人
B.某商店在店内生火做饭
C.某仓库内住人
D.某商店员工在外租房住宿
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慢性肾盂肾炎的肾脏肉眼观察不同于慢性肾小球肾炎的是
A . 体积缩小B . 肾脏内小动脉硬化C . 有不规则的凹陷疤痕D . 颜色苍白E . 表面呈颗粒状
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在变电站设计中，校验导体(不包括电缆)的热稳定一般宜采用下列哪个时间______
A．主保护动作时间B．主保护动作时间加相应断路器的开断时间C．后备保护动作时间D．后备保护动作时间加相应断路器的开断时间
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治疗龟的水蛭病有效办法是全池泼洒20ppm生石灰。
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第二篇A Sunshade for the Planet Even with the best will in the world, reducing our carbon emissions is not going to prevent global warming. It has become clear that even if we take the most strong measures to control emissions, the uncertainties in our climate models still leave open the possibility of extreme warming and rises in sea level. At the same time, resistance by governments and special interest groups makes it quite possible that the actions suggested by climate scientists might not be implemented soon enough. Fortunately, if the worst comes to the worst, scientists still have a few tricks up their sleeves. For the most part they have strongly resisted discussing these options for fear of inviting a sense of complacency that might thwart efforts to tackle the root of the problem. Until now, that is. A growing number of researchers are taking a fresh look at large-scale "geoengineering" projects that might be used to counteract global warming. "I use the analogy of methadone," says Stephen Schneider, a climate researcher at Stanford University in California who was among the first to draw attention to global warming. "If you have a heroin addict, the correct treatment is hospitalization, and a long rehab. But if they absolutely refuse, methadone is better than heroin." Basically the idea is to apply "sunscreen" to the whole planet. One astronomer has come up with a radical plan to cool Earth: launch trillions of feather-light discs into space, where they would form a vast cloud that would block the sun’s rays. It’s controversial, but recent studies suggest there are ways to deflect just enough of the sunlight reaching the Earth’s surface to counteract the warming produced by the greenhouse effect. Global climate models show that blocking just 1.8 per cent of the incident energy in the sun’s rays would cancel out the warming effects produced by a doubling of greenhouse gases in the atmosphere. That could be crucial, because even the most severe emissions-control measures being proposed would leave us with a doubling of carbon dioxide by the end of this century, and that would last for at 1east a century more.
A．Methadone is an effective way to treat a hard heroin addict.B．Methadone is not a correct way to treat a heroin addict.C．Hospitalization together with methadone can work effectively with a heroin addict.D．Methadone and heroin are equally effective in treating a heroin addict.
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砖筒拱属于（）。
A.双波拱
B.肋形拱
C.双曲拱
D.单曲拱
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