问题
选择题
China’s New Food Act provides for a food recall system to producers have to stop production their food isn’t up to standards.
A.that; if
B.where; if
C.which; when
D.when; where
答案
答案:B
第一空考查定语从句,先行词是recall system,定语从句中不缺主宾表,却地点状语,用where引导定语从句,第二空考查if引导的条件状语从句,句意:中国新的食品法提供了一个召回系统,如果食品不达标准,生产者必须停止生产。选B。