超净工作台（）

A.生物安全柜本身无风机

B.层流技术净化空气

C.柜体完全气密

D.高压灭菌

E.高温烘烤

Although the necklace is not made of real crystal, the shape and its size still         most young people to buy it.

A．appeal to

B．fit for

C．go with

D．apply for