2012届高考英语新课标人教版第一轮必修3基础知识梳理复习Unit 4 Astronomy the science of the stars.ppt

* Unit 4 Astronomy: the science of the stars 1．violent 2．explode adj.猛烈的；激烈的；强暴的 vt. vi.(使)爆炸；爆发 3．atmosphere n．大气层；气氛 4．surface 5．harmful 6．spread 7．depend n．表面；外表；水面 adj.表面的；肤浅的 adj.有害的；伤害的 vt. vi.展开；伸展；传播 vi.依靠；依赖；取决于 8．force 9．float n．力量；暴力 vt.强迫；强制；逼迫 vi. vt.(使)浮动；(使)漂浮 n．漂流物 1．explode vt. vi.(使)爆炸；爆发 例句 The army took the time bomb away to a safe place and exploded it. 军队把定时炸弹移到一个安全的地方，并引爆了它。 搭配 explode in/with anger 勃然大怒 explode into/with laughter 放声大笑 运用 完成句子 (1)你勃然大怒之时，你的敌人开始笑了。 When you___________________, your enemy will start smiling. (2)如果飞机的一小部分失灵，飞机将在空中爆炸。 If a small part of the plane were to fail, the plane______ ________in the sky. explode in/with anger would explode 2．harmful adj.有害的；伤害的 例句 Its harmful to your eyes to read on the bus. 在公共汽车上看书对你的眼睛有害。 派生 搭配 harm vt. n．损害；伤害；危害 be harmful to sb./sth. ＝ do harm to sb./sth. 或 do sb./sth.harm 或 harm sb./sth.对……有害处；有害于 do good to sb./sth. ＝ do sb./sth.good 或 be good for sb./sth. 对……有好处；有益于 do more harm than good 弊大于利 运用 完成句子 (1)过量喝酒对你的身体有害。 ________________________________your health to drink too much. (2)许多人争辩说考试弊大于利。 A lot of people argue that exams_____________________. It is harmful to/It does harm to/It harms do more harm than good 3．spread vt. vi.展开；伸展；传播 例句 He spread the news around the town. 他在镇上到处传播这一消息。 He spread the map out on the floor. 他把地图铺在地板上。 搭配 spread like wildfire 像野火般迅速传播；(消息等)迅 速地传开 spread out 伸张；传播开；散开；扩大；铺开；打开 spread (sb./oneself) out 使(某人/自己)离开其他人或散开 spread on 涂沫(或敷)在……上 运用 完成句子 (1)一张厚厚的地毯铺在地板上。 A thick blanket_____________ on the floor. (2)谣言在那个小城镇像野火般地传开了。 The rumours_________________ from mouth to mouth in that town. (3)别都挤在一块，分开坐吧。 Dont all sit together.___________________. was spread out spread like wildfire Spread yourselves out 4．depend vi.依靠；依赖；取决于 例句 I may go to America or not, it all depends. 我也许去美国，也许不去，要视情况而定。 The party depends on whether or not we can collect eno