呼吸作用的意义在于[ ]
A.提供氧气
B.排出二氧化碳
C.提供糖类
D.提供能量
答案:D
包合物的验证方法
A.疏水性药物 B.包合摩尔比 C.β-CYD羟丙基衍生物 D.热分析法 E.疏水性CYD衍生物
While it is essential that the text covers the subject adequately, it is also important that it is neither too detailed or too complex for the intended reader.
A.for
B.nor
C.no
D.not