能用速率散射比浊法检测出的血清RF为()
A.IgM型
B.IgG型
C.IgE型
D.IgD型
E.IgA型
参考答案:A
陶冶高雅生活情趣的起点是 [ ]
A、丰富的文化生活
B、乐观、幽默的生活态度
C、培养正当的兴趣、爱好和强烈的好奇心
D、积极参加集体活动
– Nobody but you _______ late for school this morning.
--Sorry , I _______ to school when it began to rain heavily.
A.was , went
B.were ,was going
C.was , was about to go
D.is, am going