题型:问答题 Can you provide us _________ some information _______ the computer? A.for, withB.with, aboutC.about, withD.with, with 查看答案
题型:问答题 溶菌酶的溶菌作用机理是().A.裂解细胞壁聚糖骨架上的β-1,4糖苷键 B.抑制细胞壁肽聚糖上四肽侧链与五肽桥的交联 C.抑制细菌mRNA表达 D.抑制细菌DNA转录 E.破坏细胞壁上的磷壁酸 查看答案