请教语法题~~~拜托！

pp review test 1

8. in instrumentalist philosophy, ideas and knowledge are exclusively functional processes: they are of significance only_________instrumental in the development of experience.

a) as they are

b) are they

c) there are

d)are

答案是a,我当时猜对了。。。不是很明白。。

21。the human respiration of a family of four can add_____--of moisture per hour to a home's air.
a) with a cup
b) nearly a cup
答案是a,我选的是b....
晕~~~

25。in mesopotamia, a (consistene) architectural style ( developed) for the mosque,and (this) was marked by a fondness for large areas of ( the ) plain surface.
答案是d,我选的是b...
architactural 应该用被动 was developed吧？？？

the surface为什末错了呀？


谢谢了~~~~

8，B，D根据谓语单一可排除，Cthere be 倒装结构不能直接跟句子，至少应该有连词。

A，as they are instrumental in the development of experience.

as引导的愿意状语从句

21，B

25，B，agree with u