既能止咳，又能化痰的药物是（）
A.瓜蒌
B.竹茹
C.紫菀
D.百部
E.苦杏仁
参考答案：C
— She is very rich.
— ________ she wouldn’t accept his help even if it was offered.
A．What for
B．So what
C．No doubt
D．No wonder
《辽河油田公司环境保护管理办法》规定落地原油必须在完成试油、修井作业后的多少小时内予以清除？
