病人呼吸有大蒜味，应考虑（）
A.尿毒症
B.酮症酸中毒
C.有机磷农药中毒
D.肺癌
E.支气管感染
参考答案：C
Many students have never been to China before and _____ any Chinese. [ ]
A. could hardly say
B. can hardly talk
C. can hard speak
D. can hardly speak
宣传媒介的佣金收入应在相关的广告或商业行为开始出现于公众面前时予以确认。 ( )
