烧结料层蓄热作用是将抽入料层的空气，在经过热矿层时被预热后，参加燃烧带的燃烧，燃烧后

— She is very rich.

— ________ she wouldn’t accept his help even if it was offered.

A．What for

B．So what

C．No doubt

D．No wonder

— Is there _______? 

— What about a beer? [ ]

A. any drink thing

B. drinking anything

C. anything to drink

D. thing to drink

如图所示，质量为M的木板放在倾角为θ的光滑斜面上，质量为m的人在木板上跑，假如脚与板接触处不打滑。欲使人相对斜面静止，则人以a等于__________向__________跑。（填“沿斜面向上”或“沿斜面向下”）

晋朝人车胤在袋子里装什么昆虫用来照明看书？

钢制放样台是用铸铁或由厚12mm以上的（）钢板所制成。

A.不锈钢

B.低碳钢

C.高碳钢

D.合金钢