下述哪个带是回转窑内温度最高的带()。
A、烘干带
B、冷却带
C、预热分解带
D、烧结带
参考答案:D
Every evening after dinner,if not ________ from work,I will spend some time walking my dog.
A.being tired
B.tiring
C.tired
D.to be tired
不开口于中鼻道的鼻旁窦有: ()
A.额窦
B.上颌窦
C.蝶窦
D.筛窦前、中小房