下列压力容器中,反应容器、换热容器、分离容器、储存容器分别是()。
A.聚合釜
B.烘缸
C.干燥塔
D.液化气储罐
参考答案:A, B, C, D
________ Mary ________ Jack is listening to the report carefully, because they are both interested in it very much.
A.Neither; nor
B.Either; or
C.Both; and
D.Not only; but also
我国社会主义公有制经济中个人消费品分配的基本原则是()
A.多劳多得
B.按生产要素分配
C.按劳分配
D.按劳动成果分配