2015高考高频词汇必背及训练系列10
1.effect n．效果，作用；影响
have an effect on对……有影响(have a/an＋adj.＋effect on...)
have some/little/no effect on对……有些/一点/没有影响
in effect实际上，事实上；有效
take effect见效，开始起作用；(法律或规章)生效，开始实行
come into effect实行，实施，生效
be of no effect无效
cause and effect因果
注意：虽然表达“对……有影响”用have an effect on，但表示“有很大/小影响”用have much/little effect on，而不用many/few。
The medicine had a good effect on me.
那种药对我有良好的功效。
The advertising campaign didn't have much effect on sales.
这些广告攻势对销售额没起到多大作用。
The medicine quickly took effect.
这种药很快就见效了。
affect/effect/influence辨析
