与抗体特定部位特异性结合的位点()
A.抗体
B.补体
C.细胞因子
D.补体识别受体
E.Fc段受体
参考答案:E
People say that what we are all ______ is a meaning for life, but I don't think that's what we all look for.
A.seeing
B.seeking
C.watching
D.looking
在裂隙发育的红黏土地区,对该土试样进行室内试验应采取( )。
A.K0试验
B.CBR试验
C.渗透试验
D.三轴试验或无侧限抗压强度试验