更多“旅游需求的( )构成了旅游市场的复杂性。A．指向性B．敏感性”相关的问题
傻子被（）领去做徒弟
A.木匠 B.瓦匠 C.花匠
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定金与预付款的共同点是（）。
A．不得超过合同总额的20％
B．都具有预先给付的性质
C．都是担保合同的履行
D．均由一方给付
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基于战略物资的战略性意义，采购方要进行详细的市场调查和需求预测，设置一定量的（）。
A、理想库存
B、安全库存
C、最优库存
D、次优库存
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道德行为发生的过程既是精神活动的过程，也是实践活动的过程。
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发球时第一发球触网后，未着地前触及接球员的衣服，应判（）。
A . 重发球
B . 重赛
C . 接球员失分
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为消除或减轻系统的水平失调，在供回水干管走向布置方面可采用（）
A . A、异程式系统。
B . B、同程式系统。
C . C、垂直式系统。
D . D、水平式系统
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焊前端面处理的好坏直接影响钢轨焊头的（）
A.质量B.推瘤C.成型D.降温
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哪些类型动画的制作只需给出动画序列中的起始帧和终结帧，中间的过渡帧可通过Flash自动生成？（）
A.逐帧动画
B.形状补间
C.运动补间
D.蒙板动画
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(1).芦荟的功效是（） |(2).芫花的功效是（）|(3).郁李仁的功效是（） |(4).泽兰的功效是（）
A．泻火逐饮，祛痰止咳
B．润肠通便，利水消肿
C．泻下能便，清肝杀虫
D．逐水消肿，破血消瘕
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机器人的TCP，不一定安装在机器人法兰上的工具上。
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一般在宝宝洗澡前，或者感觉宝宝头发油油的，有点脏兮兮时我们都要给宝宝洗头。（）
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国有企业要真正成为依法自主经营、( )的独立市场主体。
A、自我发展B、自负盈亏C、自担风险D、自我约束此题为多项选择题。
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根据目前我国的实际情况，我国社会保险的筹资模式应采用（）
A.现收现付制 B.财政拨款解决 C.部分基金式 D.完全基金式
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Are you a social butterfly, or do you prefer being at the edge of a group of friends Either way, your genes and evolution may play a major role, US researchers reported on Monday. While it may come as no surprise that genes may help explain why some people have many friends and others have few, the researchers said, their findings go just a little farther than that. "Some of the things we find are frankly bizarre," said Nicholas Christakis of Harvard University in Massachusetts, who helped conduct the study. "We find that how interconnected your friends are depends on your genes. Some people have four friends who know each other and some people have four friends who don’t know each other. Whether Dick and Harry know each other depends on Tom’s genes," Christakis said in a telephone interview. Christakis and colleague James Fowler of the University of California San Diego are best known for their studies that show obesity, smoking and happiness spread in networks. For this study, they and Christopher Dawes of UCSD used national data that compared more than 1,000 identical and fraternal twins. Because twins share an environment, these studies are good for showing the impact that genes have on various things, because identical twins share all their genes while fraternal twins share just half. "We found there appears to be a genetic tendency to introduce your friends to each other," Christakis Said. There could be good, evolutionary reasons for this. People in the middle of a social network could be privy to useful gossip, such as the location of food or good investment choices. But they would also be at risk of catching germs from all sides-in which ease the advantage would lie in more cautious social behavior, they wrote in the proceedings of the National Academy of Sciences. "It may be that natural selection is acting on not just things like whether or not we can resist the common cold, but also who it is that we are going to come into contact with," Fowler said in a statement.
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在一个测站上，重测的方向测回数超过测站方向测回总数的（）时，应该重测全部测回。
A.1/4
B.1/3
C.1/2
D.1/5
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