题干

下图为人体神经系统的部分示意图,据图分析下列说法正确的是(  )

A:神经冲动在反射弧上的单向传递取决于轴突的结构和功能特点

B:脊髓缩手反射中枢受损时,刺激图中③处仍可产生正常的反射活动

C:如果①处受损则人体不能产生相应感觉,但是能够对图中刺激作出反应

D:被针刺后缩手和害怕被针刺而缩手都是需要大脑皮层参与的非条件反射

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答案(点此获取答案解析)

C

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    They say after a parents dies, the surviving children can taken on some of their parent's characteristics. I 1becoming anything like my dad for years 2I wanted to be me, not him; but there I sat at his memorial service several months ago, telling myself, “ You've 3a lot more of your dad in you than you think.”

    There is this phrase my dad 4, and I know I'm going to sound 5to complain about it, but it used to 6me. “ I am so proud of you,” he told us kids, whether we'd won a race or helped others. That should be a (n) 7thing, but here's what always 8 my mind: “ You are taking credit for what isn't really yours. You can be proud, but the 9 is mine.

    Your parent is doing his best to give you 10, but you do not 11it. “ I'm so proud of you.” It came out of my dad's mouth 12, on those calls where I might have 13  something that happened at work or when he and Mom came to visit and we 14the talents of our two boys. I knew the feeling of parental 15well, especially when my boys achieved in ways that were  16my comprehension and ability, but I looked for other ways to 17 it. “ That's an extremely good story you've written!” I would say about the composition. I thought that by making my praise 18, it would feel like I was claiming their achievement less as mine and more as one they could own themselves.

    So just the other day when my older son sent me an email about his scholarship, I searched  for 19things to say, but finally20he doesn't need my cleverness. They just want what my dad gave me. “ I'm so proud of you,” I wrote. Just like the old man to me.