催化剂的载体在化学上绝对是惰性的。
参考答案：错
A．乙炔和丙炔
B．37Li和36Li
C．金刚石和石墨
D．正丁烷和2-甲基丙烷
I'm going to Beijing and my wife's going . [ ]
A. though
B. as well
C. also
D. instead
