Unit 5 重点单词小结（ppt课件）-2023新人教版（2019）《高中英语》选择性必修第一册.pptx

1、选择性必修一unit 5重点词汇小结UNIT 51.devote ot.把献（给）；把专用于；专心于【词块】devoteto把奉献于devote oneself to献身于；致力于拓展：devoted adj.忠实的；深爱的be devoted to（doing）sth专心于；致力于devotion n.关爱；关照；奉献；忠诚She was a great scientist and devoted all her life to protecting wild animals.她是一位伟大的科学家，一生致力于保护野生动物。2.be comprised of 包括；包含；由组成（或构成）be

2、made up of 由组成拓展：be composed ofconsist of由组成（或构成）make up组成；构成12 members make up the team.The team is composed/comprised of 12 members.slowThe team consists of 12 members.也变这个队由十二名成员组成。3.convince vt.使相信；使确信；说服【词块】convince sb to do sth 说服某人做某事比较convince sb of sth使某人相信某事有convince sb that使某人相信Weve been

3、trying to convince him to give up the plan我们一直在试图说服他放弃那同个计划。Ive attempted to convince her of his honesty,but in vain.我已试图让她相信他的诚实，但是没用。拓展：拓展：convinced adj.convinced adj.确信的；深信的确信的；深信的be convinced thatbe convinced that确信确信；深信；深信convincing adj.convincing adj.令人信服的；有说服力的令人信服的；有说服力的4.assumption n.假定；假设1

4、1.【词块】make an assumption 认为；假定on the assumption that假定；在假定的基础上拓展：assume vt.假定；设想；认为assume sb/sth to be 假定/假设某人/某事是assume that认为assuming conj.假设/假定5.expand vt.&vi.扩大；增加 vt.扩展；发展（业务）vi.详细阐明【词块】expand into 把扩展/发展成expand into发展成/扩展成6.take on从事；呈现；承担；雇用拓展：take back带回；收回take away带走；消除take over 接管take in 吸

5、收，吸纳；欺骗；理解；留宿take up 占据；开始从事I could hardly take in what you said.我很不理解你说的话。Tom took over his fathers position and began to take on more shop assistants.汤姆接替了他父亲的职位并开始大量雇用店员。Please take away all the things you do not need any more.请把你不再需要的所有东西都拿走。7.in turn相应地；转而；依次：轮流拓展：by turns 轮流地take turns（to do s

6、th）轮流（做某事）Its ones turn to do sth.轮到某人做某事了。When you play cards,each plays in turn.玩牌的时候大家轮流出牌。Working outside can mean too much sun exposure,which in turn can lead to skin cancer.户外工作可能意味着长时间在阳光下暴晒，而这相应地可能会导致皮肤癌。Sam and I drove the car by turns.我和萨姆轮流开车。8.digest（1）vt.&vi.消化【词块】digest food消化食物（2）vt.领

7、会；领悟 As Francis Bacon once said,“Some books are to be tasted,others to be swallowed,and some few to be chewed and digested.”正如弗朗西斯培根曾经说过的：“书有可浅尝者，有可吞食者，少数则须咀嚼消化。”拓展：digest n.摘要；文摘9.alternative n.可供选择的事物 adj.可供替代的；非传统的【词块】have no alternative but to do sth 别无选择只好做某事have the alternative of doing sth 有做

8、某事的选择theres no alternativetheres no alternative别无选择别无选择alternative energy替代性能源be faced with two alternatives 面临两种选择There is an alternative to this sick systembut we are choosing to ignore it.这个病态系统有另一种选择但是我们选择忽略它。If you dont like the school lunch,you have the alternative of bringing your own.如果你不喜欢学

9、校的午餐，你可以选择自己带饭。There were so many cars held up by the heavy rain on the road that we had no alternative but to wait.被大雨堵在路上的车太多了，我们别无选择只好等待。10.It is+过去分词+that常见的此类结构：It is estimated that据估计It is said that据说It is thought that大家认为It is believed that人们相信It is hoped that人们希望It is reported that据报道It is w

10、ell known that众所周知It is generally considered that大家普遍认为It is supposed that据推测It is estimated that 60,000 shops open every Sunday.据估计，每逢周日开门营业的店铺有六万家。OIt is well known that junk food is bad for our health.众所周知，垃圾食品对我们的健康有害。It is hoped that immediate action will be taken on this matter.此事望迅速处理。It is s

11、aid that she is a good doctor,bringing the dying back to life.据说，她是一位好医生，能妙手回春。11.given that考虑到拓展：given prep.鉴于；考虑到considering prep.&conj.考虑到；就而言considering（that）鉴于，考虑到12.12.动词动词-ing-ing短语作结果状语短语作结果状语（1 1）动词）动词-ing-ing短语作结果状语，通常放在句末，中间用逗号隔开，表示前面的情况短语作结果状语，通常放在句末，中间用逗号隔开，表示前面的情况所造成的结果。所造成的结果。（2 2）动词）

12、动词-ing-ing短语作结果状语，是随着谓语动词的发生而产生的自然结果，其逻辑短语作结果状语，是随着谓语动词的发生而产生的自然结果，其逻辑生语往往是前面整个句子所描述的情况，需而有时候可以加生语往往是前面整个句子所描述的情况，需而有时候可以加thusthus。而不定式作结果状。而不定式作结果状语时常表示出乎意料的结果，有时前面前以加语时常表示出乎意料的结果，有时前面前以加 only only。a.Many people from all over the world have moved to America,making it the most multicultural country

13、in the world.来自世界各地的很多人搬去了美国，这使美国成为世界上最多元文化的国家。b.He cut off the wire,preventing a big fire.他剪断电线，阻止了一场大火。c.The plate dropped from her hands,breaking into pieces.盘子从她手中掉了下来，摔成了碎片。d.He was caught in the rain,thus making himself catch a cold.被雨淋后，他感冒了。e.I hurried to school,only to find it was Sunday.我匆

14、忙赶到学校，结果发现是星期天。f.He hurried to the airport,only to be told that the plane had taken off.他匆忙赶到机场，结果被告知飞机已经起飞了。13.aspect n.（1）方面；层面【词块】in every aspect在每个方面Technological change is everywhere and affects every aspect of life.技术革新到处可见，并影响着生活的方方面面。（2）外观；样子Our school takes on an entirely new aspect.我们的学校呈现出一幅全新的面貌。Thank you for listening!