—Jim, is physics difficult to learn in high school? —Sure. No subject can be lea

题型：不详难度：来源：

—Jim, is physics difficult to learn in high school? 
—Sure. No subject can be learned well ________ hard work.

A．without

B．from

C．through

D．for

答案

A

解析

句意：---吉姆，物理是在高中难学的学科吗？---当然是。如果不努力学习，没有哪一科可以学好的。A. without没有；B. from来自；C. through通过；穿过；凭借；D. for为了，为；由句意可知选A。
考点: 考查介词的用法。