Word StudyUnit 31. effect n.影响很幸运，这药对他的疗效不错。Fortunately, the medicine had a good effect on him.affect vt.影响 effort 努力have an effect on 对有影响affect sth.影响某物take effect 生效make an effort to do sth. 努力做某事put sth. into effect 使某物开始使用side effect 副作用The medicine he had taken_ the blood.A. has bad effectB. had a bad effect onC. has a bad effect onD. had bad effct onB2. The drug did not_ his health. In fact, it seemed to have no_ at all.A. effect; effect B. effect; affectC. affect; effect D. affect; affec
