磁石、牡蛎入药宜()
A.先煎
B.烊化
C.后下
D.包煎
E.另煎
参考答案:A
石油主要含有________、_________元素。石油的炼制是利用石油中各成分的________不同,将它们分离可得到多种产品,属于____变化,石油也是________物。
--- what do you think of store shopping in the future?
---- Personally, I think it will exist along with home shopping but___________.
A.will never replace
B.would never replace
C.will never be replaced
D.would never be replaced