下图所示的路线传播的是(      )

    Jack is six years old. He has no sisters. But he has a brother. His brother's name is Mike. Jack likes eating apples, oranges and bananas. Sometimes he eats some of his brother's apples. And his brother often beats（打）him for this. He doesn't like Mike. This September he goes to school. It's the ninth（第九） day at school. Jack and his classmates are having a new lesson.

    "Jack, what is five minus（减） three, please？" asks the teacher.

    "It's…it's…"

    "Now, listen to me," says the teacher, "If your sister has five apples, and you eat three of them…"

    "But I have no sisters." Jack says.

    "Oh, sorry. But do you have any brothers？"

    "Yes."

    "Now, if your brother has five apples, and you eat three of them, tell me now…？"

    "He'll certainly beat me," Jack says quickly.

材料一　某中学八年级女学生王某和李某,在下晚自习回家路过村前的树林时,忽然有一个约30岁的歹徒手握匕首出现在她们面前,意欲行暴。在这危急关头,王某趁歹徒不注意,猛扑过去,顺势用胳膊紧锁歹徒的颈部。歹徒见势不妙,用匕首向王某身上乱扎。王某忍着剧痛,让李某搬起石头砸向歹徒,直至歹徒无力反抗。

材料二　某日傍晚,某商场职工小孙和小王在外环路上散步,当他们行至某个路口时,发现前面有3个歹徒正把一高呼“救命”的青年往路边的树林中拖,欲行抢劫。小孙本想挺身而出保护该青年,但又想双方力量悬殊,对方有凶器,而距电话亭又有500米远,等到报完警公安人员赶到时,歹徒或许早已逃走了。小孙急中生智,让小王跑步到电话亭拨打“110”报警,自己上前装着劝架稳住歹徒,不长时间,警车赶到,两人协助民警将歹徒抓获,使该青年获救。