法国资产阶级革命以前的教育权主要掌握在()手中。 ["国教","天主教","议会","封建贵族"]
氨化作用
下列表述中,能正确、完整反映链构型的排列方式是()。 ["全同立构和间同立构","全同、间同和有规立构","对同、间同和有规立构","全同、间同和无规立构"]
欲测某水泥熟料中的SO3含量,由五人分别进行测定.试样称取量皆为2.2g,五人获得五份报告如下.哪一份报告是合理的?() ["2.0852%","2.085%","2.08%","2.09%","2.1%"]
滴定分析法要求相对误差为±0.1%,若称取试样的绝对误差为0.0002g则一般至少称取试样:() ["0.1g","0.2g","0.3g","0.4g","0.5g"]
生长曲线