∴∠EAD=∠FCB=90°,
∵AD∥BC,
∴∠ADE=∠CBF,
在Rt△AED和Rt△CFB中,
∵ {∠ADE
——Lily, is this ___ ipad?
——No, it's not mine. I think it's Lucy's.
There's little left at home. Go and buy some, dear.
Jackie said he p____ tea with nothing in it.
右图是反射弧结构模式图,a、b分别是放置在传出神经和骨骼肌上的电极,用于刺激神经和骨骼肌,c是放置在传出神经上的电位计,用于记录神经兴奋电位,d为神经与肌细胞接头部位,是一种突触。下面有关分析正确的是( )