题目

Many parents have learned the hard way that what sounds like open communication is otfen the very thing that closes a youngster’s ears and mouth, One common mistake is the Lecture, the long monologue that often starts with “When I was your age……”Eighteen –year –old Kelly calls lectures “Long , one-side discussions in which I don’t say much.” Kids reflexively（条件反射地）shout down in the face of a lecture , Their eyes glaze over（呆滞）,and they don’t register any incoming information , Listen to 13-year –old Sarah describe her least favorite times w按要求作图：如图，用直尺和画规作一个角，使它等于∠α．