题目

Not until he failed the exam，______ he ______ he wasted too much time playing. A. do; realize         B. did; realize      C. has; realize        D. /; realized 答案： B请将下列微生物与它们参与酿制的食品用线连接起来：①五粮液酒--A乳酸菌②镇江陈醋--B酵母菌③灵溪豆豉--C醋酸菌④长富牌酸奶--D霉菌．