检波器双线圈的作用是提高检波器灵敏度和抗干扰能力。
参考答案：对
I don't mind what he said, but _______ was his attitude towards me that made me angry. [ ]
A. this
B. it
C. that
D. which
慢性肾衰竭周围神经病变中较明显的症状是（）
A.弛缓性瘫痪
B.震颤
C.不宁腿综合征
D.肌无力
E.偏身瘫痪
