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【单选题】
对镇的人口规模预测方法表述中，错误的是（ ）。
A.
经济发展平衡法：依据“按一定比例分配社会劳动”的基本原则，根据国民经济与社会发展计划的相关指标和合理的劳动构成，以某一类关键人口的需求总量乘以相应系数得出小城镇镇区人口总数
B.
综合分析法：将自然增长和机械增长两部分叠加，是镇规划时普遍采用的一种比较符合实际的方法
C.
劳动平衡法：劳动平衡法建立在“按一定比例分配社会劳动”的基本原理上，以社会经济发展计划确定的基本人口数和劳动构成比例的平衡关系来估算城镇人口规模
D.
环境容量法：根据多年人口统计资料所建立的人口发展规模与其他相关因素之间的相互关系，运用数理分析的方法建立数学预测模型
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【多选题】下列第一类防雷建筑物防闪电电涌侵入的措施正确的是：（）。
A.
室外低压配电线路应采用电缆直接埋地敷设
B.
在入户处应将电缆的金属外皮、钢管接到等电位连接带或防闪电感应的接地装置上
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【单选题】The central idea of cell phones is that you should be connected to almost everyone and everything at all times. The trouble is that cell phones assault your peace of mind no matter what you do. If you...
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【单选题】Driving while talking on a cell phone is almost as dangerous as driving after drinking.
A.
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B.
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【单选题】下列不属于排泄的是
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出汗
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【多选题】In almost all adult tissues, cells are continually dying and being replaced; throughout this hurly-burly of cell replacement and tissue renewal, the organization of the tissue must be preserved due to...
A.
Cell communication: each type of specialized cell continually monitors its environment for signals from other cells and adjusts its behavior accordingly; the proliferation and even the survival of most vertebrate cells depends on such social signals. This communication ensures that new cells are produced and survive only when and where they are required.
B.
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C.
Cell memory: specialized patterns of gene expression, evoked by signals that acted during embryonic development, are afterward stably maintained, so that cells autonomously preserve their distinctive character and pass it on to their progeny. A fibroblast divides to produce more fibroblasts, an endothelial cell divides to produce more endothelial cells, and so on.
D.
all the above.
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D.
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查看完整题目与答案
【简答题】Smoking was banned on almost all ______ in 198
查看完整题目与答案
【单选题】Driving while talking on a cell phone is almost as dangerous as driving after drinking.
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出汗
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呼出二氧化碳
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【多选题】In almost all adult tissues, cells are continually dying and being replaced; throughout this hurly-burly of cell replacement and tissue renewal, the organization of the tissue must be preserved due to...
A.
Cell communication: each type of specialized cell continually monitors its environment for signals from other cells and adjusts its behavior accordingly; the proliferation and even the survival of most vertebrate cells depends on such social signals. This communication ensures that new cells are produced and survive only when and where they are required.
B.
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C.
Cell memory: specialized patterns of gene expression, evoked by signals that acted during embryonic development, are afterward stably maintained, so that cells autonomously preserve their distinctive character and pass it on to their progeny. A fibroblast divides to produce more fibroblasts, an endothelial cell divides to produce more endothelial cells, and so on.
D.
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查看完整题目与答案