A：各物质的量浓度之比为c(A)：c(B)：c(C)=2:3:3
B：平衡混合物体积是反应开始前的3/5
C：平衡混合物中各物质的量浓度相等
D：单位时间内，若消耗了a mol A物质，则同时也消耗了1.5a mol C物质
以下符合文艺复兴时期人文主义内涵的语句是( )
It's said that there are plenty of hotels in that town. There ____________ be any difficulty for you to find somewhere to stay.
要使反射光线垂直于入射光线，入射角的大小为____；沙漠上空出现海市蜃楼是属于光的____（选填“反射”或“折射”）现象。
― ______ is it from your school to the bus stop?
― It's ten minutes ______.
