进行肠道菌生化鉴定,除了IMViC试验,还要进行的试验是()。
A.糖发酵试验
B.VP试验
C.甲基红试验
D.枸橼酸盐利用试验
E.吲哚试验
参考答案:A
试分析幼儿攻击性行为产生的影响因素及纠正策略。
Since the energy crisis, these big cars have become a real liability. They cost too much to run.()
A. lack of reliability
B. substitute
C. costly means of transport
D. disadvantage