【C8】A．preventB．predictC．pretendD．prevail

【C8】A．preventB．requireC．assistD．forbid

Strict sanitary procedures help to forestall outbreaks of disease.A．preventB．controlC．mini

材料题请点击右侧查看材料问题 查看材料A.preventB.preserv

【C13】A．preventB．avoidC．denyD．refute

【C16】A．presentB．predictC．prepareD．provide

【C2】A．warnB．predictC．announceD．show