Mary's grandpa is always ______ in the mountain village. He tells her he feels very______. So she's going to visit him next week.

关于阿基米德表述不正确的是(     )

下列仪器中，具有溶解固体、配制溶液、作多量试剂的反应容器的是（   ）

I cannot listen to both of you at the sametime. Please talk one after another.