焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。
参考答案：洗油沥青
______ is it _____ has made Peter _____ he is today?
A．What; that; that
B．That; that; what
C．What; what; that
D．What; that; what
商业银行负债类业务包括（）、向中央银行借款、同业拆入和同业存款。(三级)
