词汇辨析embrace,comprise,contain,compose,consist：
embrace与include 同义,即“包括”；
comprise “包含,由……构成”,谓语用复数；contain “包含,容纳”,它的宾语只是整体的一部分,如：The book contains five photos；
compose “构成”,表示许多部分构成一个整体,一般用被动；
consist与compose同义,但不用被动,即consist of = be composed of,如：Water is composed of (= consists of) hydrogen and oxygen.