在搬运板材的过程中,可能会有指印残留,此油污属于()。
A.植物油
B.矿物油
C.石油
D.动物油
参考答案:D
What day is it today?[ ]
A. It's Sunday.
B. I often do homework.
C. I eat dinner.
“秦筑长城城城已摧,汉武北上单于台。”出自何人之手?