选择句子的翻译。
①请问、去超市怎么走?____ A. Nice to meet you.
②一直向前走,然后向右转____ B. Go straight on, then turn right.
③小明在学校附近。____ C.Excuse me. Where is the supermarket?
④见到你真高兴。____ D. Xiaoming is near the school.
沈括《梦溪笔谈》载:“世间锻铁所谓钢铁者,用柔铁屈盘之,乃以生铁陷其间,泥封炼之,锻令相入,谓之团钢。”这项技术是
设x-b8=b0+b1x+b2x2+⋯+b8x8,如果b5+b8=-6,则实数b的值为( )