Unit 1 Laughter is good for you[单词 拼写应用]核心单词1．burst vi.猛冲；突然出现；爆裂2．guarantee vt.&n.保证；担保3．behave vi.&vt.表现4．attain vt.(通常经过努力)获得；得到；达到5．glare vi.怒目而视；发出炫目的光6．polish vt.提高；修改；润色7．positive adj.积极的；正面的；肯定的8．tear vt.撕，扯9．crowded adj.拥挤的10．affection n．喜爱，钟爱[语境运用] 用所给词的适当形式填空1．Basic human rights，including freedom of speech，are now guaranteed(guarantee)．2．It must be acknowledged that this object has not been attained(attain)．3．The father glared(glare) at the naughty boy and scolded him for his behaviour.4．So an obvious question arises：can we spot bubbles when they occur and predict when they are about to burst(burst)．5．He tore(tear) his clothes and dived into the lake.6．Students should be encouraged to develop good habits and better behave(behave) themselves.拓展单词1．perform vt.&vi.演出，表演；做，履行；工作，运转→performance n．表演；演出；表现，业绩→performer n．表演者；演员2．fit adj.健康的；合适的 v．适合→fitness n．健壮，健康；适合3．amuse vt.逗笑，逗乐；提供(消遣)，(使)娱乐→amused adj.愉快的；被逗乐的→amusing adj.有趣的；引人发笑的→amusement n．消遣，娱乐，乐趣4．strength n．力量，力气→strengthen vt.&vi.增强；巩固5．participate vi.参加，参与→participant n．参加者，参与者→participation n．参加，参与6．instruct vt.教授；指示，命令；告知→instructor n．教练，导师→instruction n．教授；指示，命令；说明→instructive adj.有教育意义的；有启发性的7．anger n．怒，怒火，怒气→angry adj.发怒的，生气的→angrily adv.生气地，气愤地8．fool n．傻子 vt.愚弄→foolish adj.愚蠢的→foolishness n．愚蠢[语境运用] 用所给词的适当形式填空1．Recently，Samuel，an American Jazz performer succeeded in performing at his college.The audience were impressed by his amazing performance．(perform)2．To the audience's amusement，the actor's a...
