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1、Unit 1 同步讲解Period1 warming up, pre-reading, reading, comprehending.1.add (vt./vi)加，增加，补充说词性拓展：additional (adj) 附加的，另外的； addition (n.) 加，增加in addition 另外；此外 in addition to 除了用法：（1）add sth. up 把加起来（2）add to 增添 （3）add to 把加到(4)add up 把加起来 (5)add up to 总计；加起来结果是 What he said about the accident and did w
2、ith it _ our trouble.A. added up to B. added to C. add up D. add add to 增添；不能用被动(B)Youd better _ your score and see if you have passed the exam.A. add up to B. add to C. add up D. addA 强调加起来的结果；C意为把加起来（C）2point (n.) 尖端；点；分数；要点；论点用法：(1)on the point of 就要/将近.的时候（2）to the point 中肯，扼要（3）in point 恰当的，适当的
3、（4）there is no point in doing sth.做某事没有意义。The sailors were on the point of giving up _ the captain came up.A. when B. while C. as D. becauseBe on the point of doing when 是固定句式。When 在此处表示“在那个时候”=and at that time 此时不能用其他词（as/while）代替。拓展：句型（1）be about to do when(2)be doingwhen(3)have/had done . when3.
4、ignore (vt.)不理睬 ；忽视词性拓展： ignorant adj. 无知的；不知的 ignorance n. 无知；愚昧用法：（1）ignore sb./ sth. 忽视某人/某物（2）be ignorant of sthhe _ the doctors advice and goes on smoking.I was _ of the fact that the boss could be so strict.(ignores; ignorant)4. clam adj. 平静的；镇静的；沉静的you should keep clam in time of danger.区别：si
5、lent 不说话，不出声；quite 安静的；宁静的；still 不动的；强调“静止状态”；clam 指人“沉着，镇定”；指自然“无风无浪”。（1）The old man stood quite _ , except that his lips moved slightly.（2）One man shouted at the boy, “ be _, boy ! whats the matter with you?”（3）He is _ about the accident.（4）He remained _ in the face of the cruel enemy.(1.still 2.q
6、uite. 3. silent. 4. calm)5.concern vt.涉及；关系到 n.关心；关注用法拓展：(1) be concerned about/for sth.关心挂念(2)be concerned in sth. 和某事有牵连(3)be concerned with sth.与某事有关/关于.(4)as concerns 关于（= concerning）(5)as far as be concerned 就 而言(6)show/feel concern for/about 担心/关心The meeting was concerned _ reforms and everyon
7、e present was concerned _ their own interests.A. with; for B. with; with C. for; about; D. about; with(前一句理解为“会议与改革有关”，因此此处应填介词with; 后一句句意为“到会的每一个人都关心自己的利益”，因此空二填介词 about/for 。 A)6. looseadj. 松的，松散的，松开的词性拓展：loosenvt./vi. 解开，放松；变松；用法拓展；break loose 挣脱出来；迸发出来 come (get) loose (结等)松掉； let /set loose释放；放
8、出；发出7cheat n.欺骗;骗子 vt./vi. 欺骗；作弊用法拓展：（1） cheat sb. into doing sth.欺骗某人做某事 （2）cheat sb. (out) of sth. 欺骗某人某物 （3）cheat sb. into the belief that 骗某人相信(4) cheat in the exam 考试作弊8reason n. 理由；原因 vt./ vi. 推理；说服e.g.: My reason is that the cost will be too high. 我的理由是费用太高。词性拓展：reasonableadj. 合情合理的用法拓展：（1）fo
9、r this /that /no /some reason 因为这个/那个/没有/某一理由（2）reason with sb. 和某人辩论（3）by reason of 因为，由于（4）the reason for sth./ doing sth. is that .做某事的理由是.（5）The reason why is that 做某事的理由是The reason _ he was late was _ his car had broken down on the way.A. why; because B. that; because C. that; for D. why; that
10、She would like to know the reason _ fewer and fewer students are showing interest in her lesson. A. for B. why C. for that D. whichWhat do you think of the reason _ he explained in his last letter _ refusing the job? A. why; why B. that; for which C. which; for D. that; because(D. B.首先分析定语从句结构，主谓齐全，
11、空格只能填状语成分，所以使用关系副词why; C改为for which 也对； C. 注意：reason 后面的定语从句不一定用why引导，要看在定语从句中缺少什么句子成分。在这里explain 缺少宾语只能用关系代词that 或 which 引导。补充：reason 与cause 的区别reason 指在事实的基础上通过逻辑判断出的理由与conclusion (结论)相对，常与for或why 连用；cause是自然造成某种结果的原因，与effect(结果)相对，常与of 连用。用reason, cause 填空（1）The _ of the fire is still not known.（
12、2）Give me your _ for doing it.9.list vt. 列出 n. 表，一览表，目录，名单用法拓展：make a list of 列表10Share vt./vi.分享；共同使用 n. 一份；份额用法拓展：（1）share (in) sth. 分享/分担某物（2）share sth. with sb. 与某人共享某物；与某人分担某物 11 Feeling n. 感觉；感情词性拓展：feel vt./vi. 感觉，感受，触摸 feelings 情感12. Netherlands n. 荷兰 Netherlander n. 荷兰人Netherlandish adj. 荷兰
13、的；荷兰人的；荷兰语的 n. 荷兰语13German n. 德国人；德语 adj. 德国的；德国人的；德语的词性拓展：Germany n. 德国用法拓展：German 的复数形式是Germans, 而英国人、法国人的复数形式是Englishmen和Frenchmen.14. series n. 连续；系列There will be a series of football games next month.用法拓展：a series of meeting /exams /textbooks two series of stamps series单复数同型，作主语时谓语动词根据 series 单
14、复数概念决定，不根据of 的名词决定。15Outdoors adv. 在户外；在野外；Children usually prefer playing outdoors.相关拓展：outdoors adj.户外的，野外的 indoors adv. 在室内；入室内 indoor adj. 室内的16Crazy adj. 疯狂的；狂热的用法拓展： （1）be crazy about .对 狂热，痴迷（2）be crazy for sb./sth. =long for 渴望某物或迷恋某人（3） be crazy with 因而发疯He has greatly improved is spoken English by learning Crazy English.And he _ a chance to go abroad. A.
