载入外挂笔刷的格式为()。
A.ABr
B.AI
C.plug
D.exe
参考答案:B
Y0u had better not discuss the problem at the meeting.You may discuss it tea
A.in
B.at
C.for
D.over
炼铁厂用含杂质10%的赤铁矿石1000吨冶炼生铁,理论上可冶炼含铁97%的生铁多少吨?