“AB”型血清中含有的抗体是( )
A．抗AB．抗BC．抗A、抗BD．以上均不是E．以上均是
参考答案：D
32. The mountain is covered with heavy snow and it is ______ only by helicopter.
A．acceptable
B．available
C．accessible
D．Convenient
镜下血尿是指每高倍视野中有红细胞在
A．1个以上B．2个以上C．3个以上D．4个以上E．5个以上
