题目

下图是反射弧的模式图,箭头代表神经冲动传导的方向。手被针刺后,会发生缩手反射,人也会感到痛。请据图回答(横线上填文字,[]内填字母) (1) 缩手发射是通过一定的神经结构 完成的,此 神经结构包括五个部分:①A ②[]传入神经 ③神经中枢,位于。 ④传出神经 ⑤E 。 (2) 形成痛觉的神经中枢位于, 这说明脊髓不仅有反射功能,而且有功能。 (3) “望梅止渴”“谈虎色变”等反射是与有关的反射,也是人类所特有的短文填词阅读下面短文,根据以下要求:1)汉语提示,2)首字母提示,3)语境提示,在每个空格内填入一个适当的英语单词。所填单词要求意义准确、拼写正确。Sitting on the bus I took the book out and was about to read but I was attracted by a young woman behind, who was speaking 1.________ her cell phone.She was talking to her brother. She wanted to know where he was, why he wasn't where he was supposed to be, why he had 2._________(撒谎) to their mother again and if he knew that their mum had broken down in3. t___________ that morning because of him.She kept it quiet but she didn't have any mercy on him. She let him know exactly 4.___________she thought of him but I could tell there was 5.________ (爱) under all the disappointment. She tried so hard to get this boy to come to see his mother and make it all right, but I got the 6._________ (印象) she was fighting a losing battle.When she left the bus, I got7._________ behind her. "Excuse me," I said. "Do me a favor, would you? 8.T__________ this money and buy your mum a box of chocolates 9.__________ a bunch of flowers. And tell her a stranger said that10. b_________ a mother is the hardest but most important job in the world."
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