Unit4 Global warming-词汇篇__________________________________________________________________________________ __________________________________________________________________________________1.掌握重点词汇的搭配及用法，能够正确完成基础类型题。
2.掌握重点句型的用法，会模仿句型进行写作。
重点单词讲解：1.depend on/ upon+ n 依靠，依赖，确(坚)信You can’t depend on your parents forever.depend on/upon+sb.+to do 指望某人做……You can’t depend on him to come on time.depend on/upon +it +that…. 指望…..You may depend on it that he will come.depend on/upon +wh-从句Whether you can pass the exam depends on how hard you work.That (all) depends./ it all depends. (口语)视情况而定，I may help you. But that/ it depends.2.light1)n. 光，线，灯2)v.照亮，点燃He lit a match. 他划着了一根火柴。
A smile of triumph lit up her face. 她的脸上闪耀着胜利的微笑。
The match lights easily. 这火柴容易划着3)adjThe suitcase is very light.（轻的）There was a light rain falling.He is a light sleeper. 他睡不沉。
（易醒的）3.heat v. / heat up 是某物变热或变暖heated adj. 热的激烈的heated debate，heated discussionheatedly adv.愤怒地激昂地heater加热器发热器4.consume v.---- consumer(n.).1)消耗，花费；耗尽She consumed most of her time in reading.2)吃完，喝光The kids soon consumed all the food on the table. 孩子们一会儿功夫便把桌上的食品全部吃光。
3)使全神贯注，使着迷+withThe boy was consumed with curiosity. 那男孩充满好奇心。
5.as … as one can = as … as possiblePlease come here as soon as possible.= Please come here as soon as you can..as many as 多达as long as 长达，只要as far as远至，就…而论as well as 和…一样好，也，和as early as 早在6.trap vt. / n. 挡住圈套Sand and leaves trapped the water in the stream.They finally trapped the mouse in a cage.最后，他们用笼子把老鼠逮着了。
The police set a trap for the thieves.She was trapped in the burning house.parecompare to/ with: 与…相比Compared to/with many women，she was indeed very fortunate.compare A with B：相比（不同）If you compare her work with his，you will find hers is much better.compare A to B：把A比作BPoets have compared sleep to death.A teacher's work is often compared to a candle.The poet compares his lover to a rose in his poems.e about:发生=happen(无被动）1)This situation should never have come out.2)How did it come about that he had his leg hurt?他的腿伤着了，这是怎么发生的？3)This has not come about overnight.冰冻三尺，非一日之寒Take place事件的发生有某种原因或事先的安排：The Olympic Games of 2019 took place in Beijing. Happen 偶然或突发性事件：what happened to you?I happened to see him on my way home= It happened that I saw him on my way home.Occur 发生或想到，突然想起，意为发生时=happen: what has occurred?I occurred to me that she didn’t know I had moved into the new house.Come about 事情发生了，但还不知道为什么。
常用于否定和疑问When mother woke up，she didn’t know what had come about.Break out 常指战争灾难疾病争吵事件的发生9.random 随意的胡乱的随机的/ randomlyat random 任意地随便地10.phenomenon (sing.) phenomena (pl.)the phenomena of nature自然现象a social phenomenon 社会现象11.Subscribe vi.Vt.Subscribe to 同意赞同，支持订阅签名I subscribe to your opinion completely.(同意赞同)I subscribe to a weekly women’s magazine（订阅报纸杂志）She subscribes to a society which helps to protect animals(定期捐款）12.quantity1) He likes reading and always buys books in quantity. 他喜欢阅读，总是成批地买书。
2) He prefers quality to quantity when food is concerned. 在吃的方面，他重质而不重量3) A large quantity of air-conditioners has been sold since the temperature began to rise.自从气温升高，大量的空调已经被卖出去了。
a large quantity of/large quantities of；大量的…，许多的…in quantity；成批地，大量地a large quantity of/large quantities of之后接可数或不可数名词。
注意:a large quantity of…作主语，谓语动词用单数形式。
large quantities of…作主语，谓语动词都用复数13.Tend- tendencyvt.照顾，护理She is tending (to) a very sick patient. （她在护理一位重病人。
）There is a farmer tending his sheep.vi. tend to易于，往往会；倾向于When I’m tired，I tend to make mistakes.He tends to get angry when people oppose his opinion.14.result in 导致，造成=lead toThe accident resulted in three people being killed.result from: 起因于，因为…dadj.1) 温和的，温柔的He is the mildest man alive. 他是世上最和善的人了。
2) 温暖的，暖和的It's been a mild winter this year. 今年的冬天一直很暖和。
3) 味淡的，不浓烈的Please make my drink a mild one. 请把我的酒调得淡一点。
4) 轻微的，不重的；宽大的He was given a mild punishment. 他被从轻发落。
16.state-statementThe witness stated that she had never seen Mr. Smith陈述；声明；说明Ice is the solid state of water .形态In china，the railway are owned by the state.国家，政府There are 50 states in America.Everything was in a state of disorder.状态The president has made an important statement about the matter.17.range1)排列，将...排成行The cards were ranged in alphabetical order.2 )(在一定范围内)变化3) It’s beyond the range of my ability.4) I came within my range of vision.5) he has a wide range of knowledge.beyond the range of超出…范围within the range of在…范围内range from A to B范围从A到B18.even if /thoughI wouldn't tell you even if I knew.Even if she survives，she'll never fully recover.Even though he's 24 now，he's still like a little child.I can still remember，even though it was so long ago.19.steady-steadily 平稳的，持续的，可靠地，稳固的He has made a steady decisionThere has been a steady increase in car production in the past 6 months. Zhang Feng is a steady young man.Please keep the ladder steady.We drove at a steady speed.A steady job/income稳定的工作/收入A steady worker可靠的工人Steady rain连绵的雨20.tendency倾向趋势She has artistic tendencies. 她有艺术气质。