请将带开关的螺丝口灯泡和三孔插座正确接入如图所示的电路中．
______ is often the case with children, Amy was better by the time the doctor arrived.
A．It
B．That
C．What
D．As
下列哪一项不属于抗核抗体谱（）
A.抗Jo-1抗体
B.抗Scl-70抗体
C.抗SS-A抗体
D.RF
E.抗ds-DNA抗体
