案例情景夏初,天气晴好,厚厚的云层挡住炙热的阳光,云层下是我们学校正在进行的文化艺术月开幕式。欣赏完精彩的航模表演和机器人表演后,主持的老师兴致勃勃地问同学们:“大家开心吗?”“不——开——心!”集体的回答声中,“开心”和“不开心”的和声杂混着,却让“不开心”更显嘹亮高扬。结果主持的老师闹了个灰头土脸。而近距离听来,我班是“不开心”居多。回到五(6)班的课室后,我严肃地站在 Case scenario Early summer, the weather was fine, thick clouds block the hot sun, under the clouds is our school ongoing cultural and art month opening ceremony. After enjoying the wonderful model show and robot show, the host teacher enthusiastically asked his classmates: “happy everyone? ” “No - open - heart! ” Collective answer, “happy ”And “ unhappy ”harmony of the mix, but let “ unhappy ”even more loud and clear. As a result, the teacher in charge of school made a depressed face. The close-listening, my class is “unhappy ” mostly. After returning to class five (6), I stood there seriously