唐代家具设计最重要的现象是出现了______。
A.桌子
B.椅子
C.凭几
D.屏风
参考答案:B
—Mary looks down today. What is up?
—Well,________happened between Mary and me is none of your business.
A.wherever
B.whoever
C.whatever
D.no matter what
在电源电路中,()元器件要考虑重量散热等问题,应安装在底座上和通风处。