Helen doesn't look _____ today. Is she ill? [ ]
A. better
B. well
C. nervous
D. happy
答案:B
阿司匹林的水杨酸反应()
A.头痛、耳鸣、听力减退
B.眩晕
C.恶心、呕吐
D.出血时间延长、血液不易凝固
E.皮疹、哮喘
入境的展览物品,经检疫不合格又无有效处理方法的,应在展览结束后,在检验检疫机构的监督下作退运或销毁处理。()