身高为1.65m的小芳同学站在镜前0.2m处照镜子，她的像离镜面的距离为______m，当她远离镜面后退0.5m后，她与像的距离为______m，镜中的像的大小______1.65m（填“＞”、“=”或“＜”）．

Accumulations of oily rags should be（）.

A.kept in nonmetal containers

B.discarded as soon as possible

C.cleaned thoroughly for reuse

D.kept in the paint locker