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【单选题】
A real estate developer in Florida, desiring to protect his high-rise apartment building on the beach from hurricane damage, has planted sea oats in two rows in front of his building in order to encourage the development of sand dunes between the water and his building. Which of the following, if true, casts the most doubt on the probable effectiveness of the developer's plan?A.
Sand dunes provide little protection for tall buildings against the wind, which is sufficiently powerful even in minor hurricanes to cause serious damage to buildings.
B.
Sand dunes have been shown to provide effective protection against the storm surge, the pounding waves driven by hurricane-force winds onto dry land.
C.
Although sea oats will lead to the growth of sand dunes over many years, it would be far faster to build concrete bunkers between the building and the water.
D.
Hurricane insurance has become so expensive that many owners of beachfront property choose not to buy it.
E.
The developer has invested in reinforced steel girders and shatterproof glass as a way of minimizing damage to his building in the event that a hurricane hits the area.
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【单选题】只有当内外螺纹的（ ）一致时,它们才能相互旋合。
A.
牙型、直径、螺距、旋向、线数
B.
牙型、直径、旋向、旋合长度
C.
牙型、直径、旋向、螺距、导程、线数
D.
牙型、直径、旋向、螺距、导程、旋合长度
【单选题】张某，男，62岁，因患糖尿病9年而长期接受胰岛素治疗，尿糖基本控制在（+～++）。昨晚因多食后，今上午尿糖定性试验为（+++），自行增加了16U胰岛素，1h后突然感到心悸、饥饿、出冷汗，随即昏迷。对上述患者，应立即给予下列哪项处理措施（）。
A.
静脉注射50g/L葡萄糖
B.
静脉滴注小剂量胰岛素
C.
静脉推注氯化钾
D.
静脉滴注50g/L碳酸氢钠100ml
E.
静脉滴注复方氯化钠溶液
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【单选题】教师法规定教师有下列情形之一的,由所在学校、其他教育机构或者行政部门给予行政处分或者解聘。下列说法哪一项不是情形之一。
A.
故意不完成教育教学任务给教育教学工作造成损失的
B.
体罚学生，经教育不改的
C.
品行不良、侮辱学生，影响恶劣的
D.
不关心集体的
【单选题】会计电算化系统的维护是指保证会计电算化系统正常运行的各种工作,它包括________。
A.
机房维护、软件维护、数据维护
B.
硬件维护、系统维护、资料维护
C.
硬件维护、软件维护、资料维护
D.
硬件维护、软件维护、数据维护
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