材质16MnDR中D表示()。
A.低温
B.容器
C.低碳钢
D.合金钢
参考答案:A
— ___________ anybody hurt?
— No, everyone was safe.[ ]
A. Does
B. Did
C. Were
D. Are
Looking up, I saw that some children _____ rags were looking at me silently as I ate.
A.with
B.by
C.on
D.in