缺陷是特殊的不合格。()
参考答案:错
So quickly are science and technology advancing is a possibility today may be a reality tomorrow.[ ]
A. that which
B. that what
C. what
D. which
A.A的分子式为C4H10
B.B→D是消去反应
C.若A是正丁烷,则8.C无法得到同一种物质D
D.B、C互为同分异构体