Question

In the Olympic Games all athletes should play fair ________ the rules, but some often take drugs to accomplish their aims.

A．with

B．for

C．against

D．by

Answer 1

D

考查介詞辨析。By the rules意為按規則。
句意為在奧林匹克運動會中，所有的運動員都要按比賽規則比賽，但是有的人經常服藥來實現他們的目標。