由于材料和工艺等原因,在陶瓷中有一部分(),俗称气相。
A.孔隙
B.球质
C.缺陷
D.异常
参考答案:A
With drink and food _________ , the farmer had to walk out of the cave.
A.run out
B.use up
C.run out of
D.using up
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