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4034用于评价钙营养状况的指标是()A.降钙素B.24h尿羟脯氨酸与肌酐比值C.尿钙D.尿肌酐E.血钙2196
用于评价钙营养状况的指标是() A.降钙素 B.24h尿羟脯氨酸与肌酐比值 C.尿钙 D.尿肌酐 E.血钙 请帮忙给出正确答案和分析,谢谢!
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6771属有潜在毒性,但低剂量可能具有功能作用的微量元素是()。A.硫 B.钴 C.氮 D.硅 E.氟704
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9856下列建筑或楼层中,可以开办幼儿园的是()A.租用消防验收合格后未经改造的设有一个疏散楼梯的6层单8869
6771属有潜在毒性,但低剂量可能具有功能作用的微量元素是()。A.硫 B.钴 C.氮 D.硅 E.氟704
6607下列关于高层建筑中设置机械加压送风系统的说法,错误的是()。A.地下室的楼梯间和地上部分的防烟3774
5422某商业建筑,东西长为100m、南北宽为60m、建筑高度为26m,室外消火栓设计流量为40L/s,南侧布置消防扑9389
3501某5层数据计算机房,层高5m,每层有1200m2的大空间计算机用房,设541组合分配气体灭火系统保护。该建1057
4028属可能必需微量元素的是()。A.硫 B.钴 C.氮 D.硅 E.氟8633
8880My secret for staying young is simple. Put all attention to the part of your brain and keep it young and growing. Keep your mind awake and you'll stay young all over. These are (16) times. Take an int702
6791某建筑采用防火墙划分防火分区。下列防火墙的设置中,错误的是()。A.输送柴油(闪点高于60℃)的管道4960
5025Directions: In the following text, the numbers 11-15 in brackets refer to the underlined parts of the text that come after them, and to the questions below. Read the text first , and then answer the q8032
9445某场所配置的灭火器型号为“MF/ABC10”。下列对该灭火器类型、规格的说明中,正确的是()。A.该灭火器5067
4067A letter Dear Amy , We (1)(finally) went on the trip to the Middle East that I told you about! Daphne and the Lees came along. We travelled first by plane to Cairo and then (2) (by ) bus to the site5768
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