1、1 crucial adj.至关重要的；关键性的 play a crucial role/part in.在.中起至关重要的作用 be crucial to/for.对.至关重要 It is crucial that.极其重要 (that引导的主语从句中谓语动词要用“should+动词原形”should可以省略。)例句：早期学习对孩子的教育发展至关重要。The early learning is crucial to/for a childs educational development.肢体语言在我们的日常生活中起着至关重要的作用。Body language plays a crucial
2、 part in our daily life.所有学生都要提高这些基本技能，这是极其重要的。It is crucial that all students(should)develope these basic skills.2.vital adj.必不可少的；极其重要的；充满生机的 be vital to/for.对.极为重要 It is vital to do sth 做某事很重要 It is vital that.尤为重要 (that引导的主语从句中谓语动词要用“should+动词原形”should可以省略。)例句；学习对学生极为重要。Learning is vital to/for
3、students.一些司机认为遵守交通规则并不重要。Some drivers do not think that it is vital to obey the traffic rules.我们要做些事情来保护我们宝贵的文化遗产，这尤为重要。It is vital that we(should)do something to protect our precious cultural heritage.4.同步p5 committed adj.尽心尽力的，坚定地，坚信的commit v.犯罪，做错事 commitment n.承诺，奉献，投入make a commitment to do 做出
4、承诺我们做了承诺要继续在一起工作。we made a commitment to keep working together.5.objective n.目的；目标 adj.客观的；宾格的近义词：goal/aim/purpose/target形近词：object v.反对；不同意；不赞成 n.物体，东西，目的，目标，宾语反义词：subjective adj.主观的；主语的 n.主格 subject n.话题；学科；科目；课程；主语 例句：我们应该尽力避免主观地看待问题。We should try to avoid being subjective when looking at problem
5、s.6.botanical adj.植物学的 botany n.植物学 botanist n.植物学家7.evaluate vt.评价；评估近义词：assess（assessment）拓展：evaluation n.评价，评估value v.重视，估价 n.价值valuable adj.有价值的例句 我们需要恰当地评价这个新系统。We need to evaluate the new system.我们需要对新系统进行恰当的评估。We need to carry out a proper evaluation of the new system.8.distinct adj.(1)清晰的；清楚
6、的 (2)有区别的 （1）清晰的；清楚的 While the teachers voice was quiet，every word was distinct.尽管老师声音不大，但字字清晰。（2）有区别的；截然不同的 be distinct from（=be diffrent from)与.不同例句 这两个概念截然不同。The two concepts are quite distinct from each other.词性拓展 distinction n.差别，区别；区分，辨别 distinctive adj.独特的，特别的，有特色的 distinguish v.区分；辨别9.boil v
7、.煮沸，烧开 n.沸点 boiled water 开水10.liquid n.液体 adj.液体的液态的 gas n.气体 solid n.固体 adj.固体的11.analyse vt.分析 analysis n.分析；分析报告12/13/14.同步p5/p6 15.insist vi/vt.坚持，坚决要求 insist on doing 坚持/决要求做某事 1)insist表示“坚持，坚决要求”时后接宾语从句，从句要用虚拟语气（should+动词原形，should可以省略）。医生坚决要求我母亲至少在家休息三个月。The doctor insisted that my mother(shou
8、ld)stay at home for at least three months.2)insist表示“坚持说”时后接宾语从句，从句用陈述语气她坚持说那个人偷了她的钱包，并坚决要求把他送到警察局。She insisted that the man had stolen her wallet and that he(should)be sent to the police station.联想:suggest v.建议；暗示 suggest doing sth 建议做某事 suggest 表示“建议”时，从句要用虚拟语气She insist on (wash)her hair just whe
9、n I want to have a bath.My father insisted that we (learn)at least one new thing each year.My wife suggested that I (try)my hand at painting for childrens books.washingshould learn (should)try 16/17.同步p10.18.同步p12 found-founded-founded(创建)find-found-found(发现)19.infer vt.推断，推定（inferred-inferred）infer
10、ence n.推断，推理20.politician n.从政者；政治家；政客 politics n.政治；政治学 political adj.政党的；政治的；political party 政党 political power 政权 politically adv.政治上地 politically correct 政治上的正确（立场）20.relativity n.相对论，相对性relate v.叙述；讲述；涉及；谈到；使有联系（relate to与.有关）related adj.相关的；有联的；（be related to和.有关系）relation n.关系；联系；亲戚relationsh
11、ip n.关系；联系relative adj.有关系的；相关的 n.亲戚relatively adv.相对地（relatively speaking相对来说）21/22/23 同步p12/e to power 开始掌权，上台执政power n.影响力；权利；能力；电力 powerful adj.有权势的，强壮的powered adj.电动的；由。驱动的 wind powered 由风力驱动的powerless adj.无权的；无能为力的power cut/failure 停电within ones power 在某人能力范围内beyond ones power 某人力所不能及25.sum（1）vi.总结；概括 （2）n.金额；款项；总数；总和（1）总结；概括 sum up 总结；概括 to some up 总之；概括地说例如；总之，作为学生，我们应该努力学习。To sum up,as students，we should study hard.（2）n.金额，款项，总数，总和 a sum of 许多；大量 a large/big sum of money 一大笔钱 the sum of.的总和/的数目 in sum 总之（=in short，in brief，in a word)
