It took me a _____ day to repair the bike.[ ]
A. the whole
B. whole
C. all
D. all the
答案:B
在钢水包渣线部位,高温炉渣对耐火材料的侵蚀能力比钢水对砖衬的蚀损要轻。
请用一句话概括下面漫画的主题。(不超过40字)(3分)