以下哪项检查对腰部神经受压不具备针对性（）
A.屈颈试验
B.挺腹试验
C.颈静脉压迫试验
D."4"字试验
E.直腿抬高加强试验
参考答案：D
Is it with its charming scenery and a unique culture ________ Lugu Lake
impresses people from all over the world?
A．that
B．which
C．where
D．why
性发育迟缓
