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下列食物含锌丰富的有( )。
长期高剂量的氟摄入所引起的不良反应为( )。
具有激素性质的维生素为( )。
下列食物中维生素E含量丰富的是( )。
下列属于维生素B。缺乏表现的有( )。
孕期日增加蛋白质的推荐值为( )g。
下列关于人乳和牛乳中矿物质的比较,正确的有( )。
合成1L乳汁,需要母体多摄入( )kcal能量。
关于幼儿的食物选择,下列说法不正确的是( )。
含淀粉最少的豆类是( )。
菌藻类食物具有( )。
老年人及心血管疾病患者宜选用( )。
( )以下的糖溶液一般不会对微生物的生长起抑制作用。
关于黄曲霉毒素的叙述,正确的是( )。
有机磷农药主要急性毒性是( )。
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在工作区地面上的信息点应采用( )的信息盒。
具有易折性要求的助航灯具灯光颜色包括( )。
闭路电视监控系统中安装摄像机镜头时,应尽量避免( )。
在民用机场围界外5m范围内,国家明令禁止( )。
下列自动气象观测设备的各传感器中,安装在跑道附近的是()。
旅客离港控制系统应包括以下几个功能:( )、飞机描述及座位处理、航班关闭、系统备份。
一次雷达可用于( )。
空管远程一次监视雷达的探测性能受()限制。
A型简易进近灯光系统由发( )光的全向发光灯组成。
为了保证稳定土基础混合料的含水量接近最佳,应在( )调控含水量。
随机推荐
个体的沟通风格不包括( )。
考试焦虑的危害是降低学习效率和影响考试成绩。 ()
左边给定的是削掉一个角的纸盒,下列哪一项不是有它展开而成?
只有公司相应部门的所有员工都考评合格了,该部门的员工才能得到年终奖金;财务部 有些员工考评合格了 ;综合部所有员工都得到了年终奖金;行政部的赵强考评合格了。 如果以上陈述为真,则以下哪项可能为真? I.财务部员工都考评合格了。 II.赵强得到了年终奖金。 Ⅲ.综合部有些员工没有考评合格。 Ⅳ财务部员工没有得到年终奖金。
患者,男,67岁,左上颌缺失,余留牙稳固。要求可摘义齿修复。
构成肾内髓组织液高渗梯度的主要溶质是:
通过求得对象的价值系数和成本降低期望值,确定价值工程的改进对象。如果评价对象的价值为最佳,一般无须改进,其功能系数应为( )。
开关柜红外成像检测 柜体表面温度与环境温差>20K ,应开展(____)检修
【答案解析:" 在桩顶锤击力作用下,产生一压缩波,沿桩身向下传播,当桩身存在明显波阻抗Z变化界面时,将产生反射和透射波。 】 "反射波法现场检测桩完整性原理是把桩视为一维弹性均质杆件,当桩顶受到激励后,压缩波以波速C沿桩身向下传播,当遇到桩身波阻抗或截面积变化的界面时,在界面将产生( )。(2014真题)
共用题干 第三篇 Karen Rusa was a 30-year-old woman and the mother of four children. For the past several months Karen had been experiencing repetitive thoughts that centered around her children's safety. She frequently found herself imagining that a serious accident had occurred;she was unable to put these thoughts out of her mind.On one such occasion she imagined that her son,Alan,had broken his leg playing football at school. There was no reason to believe that an accident had occurred,but she kept thinking about the possibility until she finally called the school to see if Alan was all right. Even after receiving their assurance that he had not been hurt,she described herself as being somewhat surprised when he later arrived home unharmed.Karen also noted that her daily routine was seriously hampered by an extensive series of counting work that she performed throughout each day.Specific numbers come to have a special meaning to her;she found that her preoccupation with these numbers was interfering with her ability to perform everyday activities.One example was grocery shopping. Karen believed that if she selected the first item,some dreadful thing would happen to her first child, if she selected the second item,some unknown disaster wonld fall on her second child, and so on for the four children.Karen's preoccupation with numbers extended to other activities, most notable the pattern in which she smoked cigarettes and drank coffee.If she had one cigarette, she believed that she had to smoke at least four in a row or one of her children would be harmed in some way. If she drank one cup of coffee,she felt compelled to drink four. Karen acknowledged the unreasonableness of these rules,but,nevertheless,maintained that she felt more comfortable,when she observed them earnestly.When she was occasionally in too great a hurry to observe these rules, she experienced considerable anxiety in the form of a subjective feeling of dread and fear. She described herself as tense,uneasy and unable to relax during these periods.
财政制度的核心是( )。