I’ve never studied engineering, but I’ve got a good knowledge of machines. A. th

I’ve never studied engineering, but I’ve got a good _______ knowledge of machines.

A. theory 　 B. theoretical C. practical 　 D. practice

试题答案

C

单词辨析题。AB两项分别表示“理论”和“理论上的”，从含义上不符；D项为名词，此处需要一个形容词表示“实践的”。