CJD最常见的临床类型是（）
A.散发型
B.医源型
C.获得型
D.遗传型
E.变异型
参考答案：A
分集接收是为了提高信号强度
His winning the competition has ___ his confidence of himself.
A．set up
B．put up
C．made up
D．built up
