并殖吸虫卵的颜色通常是().
A.淡黄色
B.棕黄色
C.金黄色
D.黄褐色
E.无颜色
参考答案:C
----You haven’t done it well.
----But I tried my best and did it ______ the way ______ I thought was the best.
A.in, which
B.by, in which
C.by, in that
D.in, what
免疫电泳常采用的抗血清是()
A.IgG、IgM、IgA、IgD、IgC
B.IgG、IgM、IgA、κ、λ
C.IgG、IgA、IgD、κ、λ
D.IgG、IgM、IgD、κ、λ
E.IgG、IgM、IgA、sIgA、IgC