RH-KTB可以产生二次燃烧,减缓温降,可以对钢水温度的补偿()℃。
A.<10
B.13-30
C.<40
D.<50
参考答案:B
I have _______ money (钱) but I can't give you_______. [ ]
A. some; some
B. any; any
C. any; some
D. some; any
在《周南•桃夭》中有“桃之夭夭,灼灼其华。之子于归,宜其室家”两句,其中第一句属于()