单项选择题
A.profitable B.tremendous C.forceful D.favorite
Scientists are （） about the formation of coal.A.confide...
单项选择题Scientists are （） about the formation of coal.
A.confidential B.confer C.confident D.conform
If you do not know the subject, you will not understand...
单项选择题If you do not know the subject, you will not understand what is said or written, even if English is your mother （） what is said or written.
A.speaking B.language C.saying D.tongue
A green building is （） to have reduced its environmenta...
单项选择题A green building is （） to have reduced its environmental impact by 60% compared with an equivalent conventional building.
A.established B.estimated C.computed D.counter
