Question

A great deal of advanced science and technology has been ______ since China carried out the ref...

A great deal of advanced science and technology has been ______ since China carried out the reform and opening policy. A．brought down B．brought in C．brought out D．brought up

Answer 1

B

考查短语辨析，brought down 降低，brought in引入，brought out产生，brought up提出，句意：自从中国执行改革开放以来，许多先进的科学技术已经被引入了。故选B。