按需要的对象进行划分，需要的类型有（）
A.物质需要
B.生存需要
C.社会需要
D.精神需要
E.生理需要
参考答案：A, D
叔丁基对羟基茴香醚
A．注射剂的抗氧剂B．增加注射剂的化学稳定性C．增加注射剂的物理稳定性D．B与CE．三者均不可
The two collections of poems written by William Blake, ______ and ______ hold the similar subject-matter, but the tone, emphasis and conclusion differ.
A. Songs of Innocence; Songs of ExperienceB. Poetical Sketches; Songs of InnocenceC. Poetical Sketches; Marriage of Heaven and HellD. The Book of Urizen; The Book of Los
