【题目】I thought this medicine would make me sleep, but it had the __________ effect.
A.opposedB.oppositeC.optionalD.optimistic
在线课程【答案】B
【解析】
考查形容词辨析。句意：我原以为这种药会使我入睡，但结果却适得其反。A. opposed相反的；敌对的；B. opposite对立的；相反的；C. optional可选择的；D. optimistic乐观的。根据句意故选B。