Unit 3 Words and Expressions 重点单词详解课件-2023-2024学年高中英语同步备课堂（人教版2019）（选择性必修第三册）

Unit 3 Words and Expressions 1.emission[iˈmɪʃn]:n. 排放物；散发，排放 emit v.排放，散发 emitter发射器，发射体 =give off/out 发出(光,热,气体） carbon/gas emission cut the emission of greenhouse gases emission reduction emission control 碳/气体排放 减少温室气体的排放 减排 排放控制 ①We should minimize the use of private cars, which _____(emission) a large amount of greenhouse gases. ②The _________ (emit) of gases such as carbon dioxide should be stabilized at their present level. 首先，我们应该步行或骑自行车，而不是乘坐汽车或公共汽车，以节省燃料，减少二氧化碳的排放。 emit emission First of all, we should walk or ride our bikes instead of taking cars or buses to save fuel and reduce the emission of carbon dioxide. 2.melt [melt]: v.融化；(逐渐)减少，消失；(使)软化，变得温柔； n.融化；熔化的金属，熔化物；一次的熔化量； melt-melted-melted melting adj.令人爱怜的，让人同情的柔和的；优美的 melted adj.融化的；溶解的 A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. The mountain climber could not find many footholds on the _______ (melt) ice. melting 读后续写场景描写 有时候一个表达关爱的小小举动也可能融化人们内心的孤单。 屋里的紧张气氛开始缓和 人群一看有麻烦，便渐渐散了。 The tension in the room began to melt. At the first sign of trouble, the crowd melted away. Sometimes small gesture of care will possibly melt people’s loneliness. melt into melt away melt one's heart melting point 溶解成；消散在……中 消失，消散；逐渐散去 使某人的心变软 熔点 3.starve[stɑːv]:v.（使）挨饿，饿死；使极其缺乏，需要 starved adj.饥饿的；饥肠辘辘的 starvation n.饥饿，捱饿，饿死 starve to death=be starved to death=die of/from starvation 饿死 starve for sth 渴望；急需 starve to do sth 渴望去做某事 long for sth long to do sth desire for sth desire to do sth be dying/thirsty/hungry/desperate/eager/mad for/to do sth starving children饥饿的儿童 White earns only a little wage, so he starves for a job with better pay.You see, no one likes to starve to death. 渴望/急需 单句语法填空/完成句子 ①.Millions of people will face  　starvation　⁠ （starve） as a result of the drought. ②Those poor children in the distant village starve education