【文章內(nèi)容簡介】 cause I have long wondered about the origin of life. 我想要主修生物學(xué), 因?yàn)槲乙恢痹谒伎忌钠鹪础?1)the majority of. . . 　　　大多數(shù)……be in the/a majority 占大多數(shù)(2)major adj. 主要的 n. 主修課程。 主修學(xué)生 vi. 主修。 專門研究major in 主修……majority of 后接復(fù)數(shù)可數(shù)名詞, 當(dāng)其作主語時(shí), 謂語動(dòng)詞一般用復(fù)數(shù)。當(dāng)后跟集體名詞作主語時(shí), 謂語動(dòng)詞用單、復(fù)數(shù)均可。(1)語法填空。①The majority (major) of students are for the decision. ②When I was at university, I majored in English. ③It is reported that students at senior high school taking part in this activity are in the majority. (2)He played a major role (扮演了主要的角色)in setting up the system. (3)Onethird of the country is covered with trees and the majority of (大多數(shù)) the citizens are black people. 【補(bǔ)償訓(xùn)練】翻譯句子。她對(duì)該計(jì)劃的成功起了重要作用。She played a major part in the success of the plan. 5. As the diagram shows, the percentage of those who felt that they needed to help protect the environment is as high as 96%. 如圖所示, 那些認(rèn)為他們需要幫助保護(hù)環(huán)境的人的比例高達(dá)96%?！揪涫浇鈽?gòu)】　　as引導(dǎo)非限制性定語從句時(shí), 指代整個(gè)主句的內(nèi)容, as 意為“正如, 正像”。*As we all know, when we have a big goal, it helps to break it down into smaller pieces. 就像我們都知道的那樣, 當(dāng)我們有大的目標(biāo)時(shí), 把它分解成一個(gè)個(gè)更小的目標(biāo)會(huì)比較有用。*It was supposed to be a great plex of buildings, but as often happens, it wasn’t finished because of the lack of money. 它本該是一片宏大的建筑群, 然而正如經(jīng)常發(fā)生的一樣, 它也因?yàn)橘Y金不足而未能完工。*As is often the case in debugging, fixing one problem fixes (or reveals) several others. 這在調(diào)試中是經(jīng)常出現(xiàn)的事: 修復(fù)了一個(gè)問題就修復(fù)(或者暴露了)另外幾個(gè)。*As has been said before, reading is a good way in learning English. 正如以前所說, 閱讀是學(xué)英語的一種好方法。as引導(dǎo)定語從句的固定表達(dá)(1)as引導(dǎo)的定語從句通常有以下固定的表達(dá): as we all know　　　　　正如我們所知道的as I can remember 正如我所記得的as often happens 正如經(jīng)常發(fā)生的那樣as we expect 正如我們所預(yù)料的as you see 正如你看到的as has been said before 如前所述as is wellknown 眾所周知as was expected 正如預(yù)料的那樣as is often the case 對(duì)……而言這是常有的事as may be imagined 正如可以想象出來的那樣(2)當(dāng)主句的先行詞被the same, as, such, so 等修飾時(shí), 要用as引導(dǎo)定語從句, as 在從句中作主語、賓語或表語。(1)語法填空。①The number of smokers, as is reported, has dropped by 17 percent in just one year. ②The Tshirt I received is not the same as is shown online. ③As is often the case with children, Amy was better by the time the doctor arrived. (2)句式轉(zhuǎn)換。It is known to us all that Beijing amp。 Zhangjiakou will host the 2022 Winter Olympic Games. →As is known to us all , Beijing amp。 Zhangjiakou will host the 2022 Winter Olympic Games. 【要點(diǎn)拾遺】1. sum vt. 概括, 總結(jié) n. 和。 總數(shù)。 金額*Have you ever visited a garden that seemed just right for you, where the atmosphere of the garden appeared to total more than the sum of its parts? 你是否曾經(jīng)參觀過一個(gè)看起來很適合你的花園, 花園的氣氛似乎比它的各個(gè)部分加起來還要好? *Large sums of money were lost. 大筆的錢損失了。*To sum up/In sum , there are three main ways of tackling the problem. 概括起來說, 這一問題主要有三種解決辦法。*She quickly summed up the situation and took control. 她很快就看出是怎么回事, 并控制住局面。sum up/sum sth. up　　　總計(jì)。 概括to sum up=in sum 總之a(chǎn) large sum of 許多, 大量(1)To sum up (總之), we have achieved a lot, but we still need to work harder. (2) It is important to remember that success is a sum of (一 些) small efforts made each day and often takes years to achieve. (3)His uncle gave him a large sum of money (一大筆錢) to help him set up his own pany. 2. indicate vt. 表明。 顯示*(2018全國卷Ⅱ)Some data in the report shows that reading remains a big part of many children’s lives, and indicates how parents might help encourage more reading. 報(bào)告中的一些數(shù)據(jù)顯示, 閱讀仍然是許多孩子生活的重要部分, 并表明父母可能如何幫助鼓勵(lì)更多的閱讀。*Research indicates that eating habits are changing fast. 研究顯示, 飲食習(xí)慣正迅速改變。 *Can you give an indication of price to me? 你能給我一個(gè)估價(jià)嗎? *The economic indicators are better than expected. 經(jīng)濟(jì)指標(biāo)比預(yù)期的好。 *Their failure to act is indicative of their lack of interest. 他們未采取行動(dòng), 這表示他們沒有興趣。indicate that/whether. . . 　表明……indication n. 象征。 表明, 跡象give an indication 顯示indicator n. 指示物。 指標(biāo)indicative adj. 指示的。 象征的。 表明的(1)語法填空。①There is a great deal of evidence indicating (indicate) that music activities engage different parts of the brain. ②Forms will be available in school and online for them to indicate(indicate) their choices and return to school. ③Wild goats’ appearance on the vast grasslands was a good indication (indicate) of the better environment. (2)The President appeared at the party, indicating that he had recovered from his illness. 總統(tǒng)出現(xiàn)在晚會(huì)上, 表明他的病已經(jīng)痊愈了。3. lead to 引起。 導(dǎo)致。 通向, 通往*(2019天津高考)Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems. 數(shù)學(xué)模型也揭示了食物網(wǎng)可能是不穩(wěn)定的, 在那里頂端捕食者的微小變化可以導(dǎo)致整個(gè)生態(tài)系統(tǒng)的巨大影響。*He pulled away, extending his lead to 15 seconds. 他甩開了對(duì)手, 領(lǐng)先優(yōu)勢擴(kuò)大到了15秒。*Many factors can lead to growth retardation in unborn babies. 許多因素可以導(dǎo)致胎兒發(fā)育遲緩。lead to中的to是介詞, 其后接名詞、代詞或動(dòng)名詞作賓語?！局R(shí)延伸】以介詞to結(jié)尾的動(dòng)詞短語: look forward to盼望。 期待get down to開始認(rèn)真做某事devote. . . to致力于。 奉獻(xiàn)于be/get/bee used/accustomed to習(xí)慣于All roads lead to Rome. 條條大路通羅馬。(1)語法填空。①M(fèi)any of these chemicals can lead to cancer or other illnesses. ②The new evidence led to him being arrested(arrest) by the police. (2)A poor diet will ultimately lead to illness. 糟糕的飲食終將導(dǎo)致疾病。4. a wide range of 大范圍的。 各種各樣的*We cautiously began a conversation and spoke about a wide range of things. We never introduced ourselves. 我們小心翼翼地開始了談話, 談了很多事情。我們從不做自我介紹。*The average period is four days, but can range between two and ten days. 平均期為4天, 但可為2天到10天之間不等。*We are now within range of enemy fire. 我們現(xiàn)在處于敵人的火力射程以內(nèi)。*Courses range from cooking to puting. 課程從烹飪到計(jì)算機(jī)應(yīng)用都有。*If any of you doesn’t want to be seen on the Internet, then sit out of range of camera. 如果你們不想在網(wǎng)上被看到的話, 那么就坐在攝像機(jī)拍攝的范圍外。in/within range of　　　　在……的范圍內(nèi)out of/beyond range of 超出……的范圍range from A to B 在A到B之間變化。 包括從A到B之間的各種事物range between A and B 在A到B之間變化　　a range of中range前可用wide/broad修飾, 表示范圍大。Collectively called The Four Books and The Five Classics, they cover such a wide range of subjects as literature, history, philosophy, politics, econ