题目

阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。A young and successful manager was traveling down a neighborhood street, going a bit too fast in his new Jaguar. He was watching for kids darting out (窜出 ) from between parked cars and slowed down when he thought he saw something. As his car passed, no children appeared. Instead, a brick hit violently into the Jag's side door! He stepped on the brakes and backed his Jag back to the spot where the brick had been thrown.The angry driver then jumped out of the car, grabbed the ne14．为帮助大家理解反射的概念，老师设计了如下几个体验活动：a．同学甲碰触很烫的水杯，甲马上缩手；b．让同学乙拿这只手杯去触碰甲，甲躲避；c．让同学丙碰触水杯．并在碰触前告知水杯很烫，丙畏缩不前，请借助如图，回答下列问题：（1）在a中，甲碰到水杯马上缩手，此反射活动完成的过程是①→②→⑤→⑥→⑦（用图中的序号和箭头表示）．“烫”的感觉形成于大脑皮层中的躯体感受中枢．（2）在b中，甲躲避水杯属于条件反射，该反射的神经中枢在大脑皮层内．（3）在c中，丙畏缩不前，这是由于人类特有的语言中枢参与的结果．