题干
His comprehensive surveys have provided the most _________ statements of how, and on what basis, data are collected.
A：explicit
B：ambiguous
C：original
D：arbitrary
答案(点此获取答案解析）
A
CO(g)+H2(g)。CO(g)的平衡物质的量浓度c(CO)与温度T的关系如右图所示。下列说法错误的是
