材料一：有人说，14﹣17世纪的欧洲是人和世界被发现的时代。

材料二：这是人类以往从来没有经历过的一次最伟大的、进步的变革，是一个需要巨人而且产生了巨人——在思维能力、激情和性格方面，在多才多艺和学识渊博方面的巨人的时代。——恩格斯

请回答：

某同学利用如图所示的装置探究功与速度变化的关系．

（ⅰ）小物块在橡皮筋的作用下弹出，沿水平桌面滑行，之后平抛落至水平地面上，落点记为M₁；

（ⅱ）在钉子上分别套上2条、3条、4条…相同的橡皮筋，每次都将小物块拉到虚线上的同一位置，重复步骤（ⅰ），小物块落点分别记为M₂、M₃、M₄…；

（ⅲ）测量相关数据，进行数据处理．

根据短文内容，选择最佳答案。

      Do you get angry when your friends sing loudly? Or when your best friend does not wait for you after school?

      If you do, you need to control(控制) your feelings and stop getting angry so easily. Getting angry easily can make you lose friends.

Gary Egeberg, an American high school teacher, wrote My Feelings are Just Like Wild Animals to help you control your feelings. It tells teens how to stay cool when bad things happen to them. The book says that getting angry only makes problems worse. It cannot make them better. “Getting angry is not a natural way to act”, the book says. It is just a bad habit, like smoking. The book says you can control your anger easily, and all you have to do is to tell yourself not to be angry.

      When a baby falls over, it cries only when people are watching it. Like a baby, you can only get angry if you are sure it is the right thing to do.

      The book gives many suggestions to help you if you get angry easily. Here are the top three.

        ①Keep a record. Every time you get angry, write down why you are angry. Look at it later and you will see you get angry too easily.

        ②Ask your friends to stop talking to you when you get angry. This will teach you not to be angry.

        ③Do something different. When you get angry, walk away from the problem and go somewhere else. Try to laugh!

某学生突然踩到同伴的脚而迅速抬起，其神经冲动传导的途径是 ____ （用图乙中的字母和箭头表示）．