对垃圾收集容器的要求是无残缺、无破损、()外体干净。
A.封闭不好
B.安全性好
C.质量好
D.封闭性好
参考答案:D
---Would you have helped her had it been possible?
---Yes, but I __________ busy with my work.
A.was
B.had been
C.have been
D.am
久咳,逐年加重,此次发病于1月前,3天前出现引昏不识人,躁烦,撮空理线,咳逆,喘促,咯痰不爽苔黄腻,舌淡紫,脉细滑数。应诊断为
A.痰迷心窍
B.肝风内动
C.痰蒙神窍
D.痰瘀阻络
E.以上都不是