资源简介 选择性必修四 unit3 知识清单1. set sail 起航;开航 set sail for... 起航到……set aside 保留;储蓄;忽视;不顾set about (doing sth.) 着手/开始做……set out (to do sth.) 出发;开始做……set down 放下;记下set up 建立;树立;搭起2. extend vt.扩展;使伸长;延长;提供,给予(1)extend to 延长到extend by 延长了extend one's heartfelt gratitude to 由衷感谢(2)extensive adj. 广阔的;大量的;广泛的extension n. 延伸;扩大;延期3. negotiate vt.商定;达成(协议)vi.谈判;磋商;协商(1)negotiate with sb. for/about sth.=negotiate sth. with sb. 与某人商议/谈判某事negotiate an agreement/a contract 商定协议/合同(2)negotiation n. 谈判;磋商;协商under negotiation 在商讨中4. withdraw vi.&vt. (withdrew,withdrawn)(使)撤回;撤离,使退出;提取;收回(1)withdraw...from... 把……从……撤离/撤回;从……取出……withdraw money from the bank 向银行提款(2)withdraw from... 撤回;退出withdraw from a meeting 离会5. in hand在手头;可供使用;在处理中;在控制中 at hand 近在手边;在附近by hand 手工,用手的(at) first hand 第一手的(地);直接的(地)go hand in hand 齐头并进give/lend sb. a hand 帮助某人6. mixture n.混合;结合体;混合物(1)mix v. (使)混合;掺和;调配mix...with... 把……和……混合mix with sth. 与某物相融合mix up 弄乱;混淆;搅匀(2)mixed adj. 复杂的;混合的7. coverage n.新闻报道;覆盖范围(1)coverage n. 新闻报道;覆盖范围(2)cover vt. 覆盖 ;涉及;包括;报道;支付;走完be covered with... 被覆盖……8. mercy n.仁慈;宽恕;恩惠(1)show mercy to sb./have mercy on sb. 怜悯某人at the mercy of... 任由……摆布;受……控制without mercy 残忍地;毫无同情地(2)merciful adj. 仁慈的;宽容的be merciful to/towards sb. 对某人仁慈9. possession n.个人财产;拥有;控制(1)in possession of 具有,拥有in the possession of 被……拥有,归……所有take possession of 占有,拥有(2)possess v. 拥有,具有;支配be possessed of 具有(某种品质、能力等)10. arrest vt.逮捕;拘留;阻止;吸引 n. 逮捕;拘留;中止(1)under arrest 被捕(2)arrest one's attention 吸引某人的注意arrest sb.for... 因……而逮捕某人get arrested 遭逮捕1句型公式:不定式(短语)作主语 不定式(短语)作主语,通常位于句首,谓语动词用单数形式。但是为了保持句子结构的协调性,不定式作主语大部分情况下都是用it作形式主语,而把真正的主语——动词不定式(短语)置于句末。课本例句:To complete the great map of the world was a strong passion for the people of early civilisations.早期文明的人们对勾勒出完整的世界版图满怀激情。2句型公式:what引导宾语从句 what引导的宾语从句放在介词或动词之后,从句中使用陈述语序。what在从句中作主语、宾语或表语,表示“……的”。课本例句:In ancient times, silk from China found its way overland to India, the Middle East, and Rome, along what became known as the Silk Road.在古代,来自中国的丝绸沿陆路运至印度、中东和罗马,这条路后来就是闻名遐迩的“丝绸之路”。3句型公式:There is a need to do...有必要做某事 in need 在危难中,在危急中in need of 需要There is no need for... ……是没有必要的There is no need for sb.to do sth. 对某人来说做某事没有必要课本例句:From a scientific point of view,there is an urgent need to study the Arctic in order to understand climate change and its effects.从科学的角度来看,迫切需要对北极进行研究,以便了解气候变化及其影响。4. 句型公式:动名词短语作主语 (1)动名词短语作主语往往表示经常性、习惯性的动作,谓语动词通常用单数形式。(2)动名词(短语)作主语和不定式作主语一样,也可以用it作形式主语,多见于某些形容词及名词之后。常见的能用于这种结构的形容词和名词有:good,no good,no use,useless等。课本例句:Understanding more about the sea will also help us manage its resources better.更多地了解海洋也将帮助我们更好地管理它的资源。5. 句型公式:as引导时间状语从句,意为“随着” (1)as是连词,意为“随着”,引导时间状语从句。(2)with是介词,意为“随着”,后接名词或代词等构成with短语或with复合结构。课本例句:Hopefully, as technology improves, we may have more options for managing this balance.随着技术的进步,我们有希望拥有更多的选择,来实现这种平衡。6句型公式:so...that...引导结果状语从句 (1)so...that...“如此……以至于……”,引导结果状语从句。其句型基本结构:so+ adj.adv.+that从句so+ adj.+a/an+可数名词单数+that从句so+ many/few+可数名词复数+that从句so+ much/little(少)+不可数名词+that从句(2)such...that...“如此……以至于……”,引导结果状语从句。其句型基本结构:such + a/an+adj.+可数名词单数+that从句such + adj.+可数名词复数+that从句such + adj.+不可数名词+that从句课本例句:The son loved his parents so much that he promised not to swim.儿子非常爱他的父母,他答应不游泳。 展开更多...... 收起↑ 资源预览