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1、Unit 3 Life in the future核心单词1. impression n.印痕；印记；印象；感想常用结构：have an impression of sth.doing sth. 对(做)某事有印象make an impression on sb. 给某人留下印象make no impression on 对无影响效果give sb.a favorable impression 给某人留下好印象an impression of ones foot 某人的脚印Your performance gave me a strong impression.你的表演给我留下了很深的印象。W
2、hat I said made no impression on him. 我的话对他不起作用。联想拓展impress v.留下印象impress sth.onupon ones mind 把牢记在心上高手过招单项填空She spoke very confidently because she wanted to make a great on her employer at the first time.A. Influence B. pressureC. Impression D. Effect解析:选C。make an impression on sb. 给某人留下印象。2. lackv
3、.&n. 缺乏；缺少的东西注意：lack作名词时，后常接of。lack作动词时，既可作及物动词，也可以作不及物动词，作不及物动词时，后常接for或in。lack不用于被动语态。常用结构：lack sth. 缺少某物lack for sth. 缺少；需要for/through lack of. 因缺乏no lack of. 不缺乏a/the lack of . 的缺乏He didnt go there because he lacked courage.他没去那里，因为他缺乏勇气。The plant died for lack of water.植物因缺水而死。They lacked for n
4、othing.他们无所需求。联想拓展lacking adj. 匮乏的；不足的；没有的be lacking in 缺乏（品质、特点等）She seems to be lacking in common sense.她似乎缺乏常识。高手过招(1)单项填空Though money, his parents managed to send him to university. （201001陕西宝鸡检测）A. Lacked B. lacking ofC. Lacking D. lacked in(2)完成句子 （原创）因为缺乏兴趣这次旅行被取消了。The trip was cancelled thro
5、ugh .他缺乏信心。He .解析:(1) 选C。考查分词作状语。his parents与lack之间呈主谓关系，所以应用现在分词作状语；lack作动词时不与of搭配，所以答案选C。(2)lack of interest lacks confidence3. sightn. 视力；视觉；看见；光景，奇观；名胜常用结构：lose sight of 看不见；忘记；失去catch sight of sth./sb. 看见某物/人at first sight 初看之下；乍看起来 at (the) sight of 一看见就out of sight 看不见be in sight 看得见，在眼前 Out
6、of sight, out of mind. 眼不见,心不烦。Last summer we had seen the sights of Beijing.去年夏天我们游览了北京的名胜。Crusoe was frightened at the sight of a mans footprint.克鲁索看到一行人的脚印，他非常害怕。 高手过招 （1）单项填空For miles around me there was nothing but a desert, without a single plant or tree .（201001陕西商洛检测）A. in sight B. on earthC
7、. at a distance D. in place （2）完成句子 （原创）我们失去了许多珍贵的动物。We several precious animals.解析:(1) 选A。in sight为固定搭配，意为“看得到”；on earth用在疑问句或否定句中，用来加强语气，意为“究竟；到底”；at a distance意为“在远处”。(2)have lost sight of4. requirevt. 需要；要求；命令常用结构：require that+主语+(should)+动词原形 需要某人做某事require sb. to do sth. 命令某人做某事require sth.（of
8、 sb.） 要求（某人）某事I will do everything that is required of me.凡是要求我的事，我都会办到。The situation requires that I（should）be there.形势需要我去那里。温馨提示require后接宾语从句时，宾语从句必须用should do的虚拟语气，其中should可以省略。另外，表示“需要”，且是物作主语时，后接动词 ing形式的主动形式表示被动含义，可以等于不定式被动形式；在这一点上，need和want用法相同。The house requires mending.=The house requires
9、to be mended. 房屋需要维修。All cars require servicing regularly.所有汽车都需要定期检修。They required him to keep it a secret.他们要求他对这事保密。高手过招 单项填空In competition, women are required some of their exercises music.（201001山西平遥检测）A. perform; to B. to perform; toC. performing; with D. to perform; by All the people present
10、agreed that the matter required . （201001山西太原检测）A. to look into B. being looked intoC. to be looked D. looking into解析: 选B。be required to do sth.意为“被要求做某事”。第二个空的to是介词意为“随着，伴着”。选D。require, want, need表示“需要”，当其主语是动作的承受者时，其后的宾语常用动词不定式的被动形式或动名词的主动形式。5. assist vt.&vi. 帮助；援助；参与;出席常用结构：assist sb. in/with sth
11、. 帮助(某人)某事assist sb. in doing sth. 帮助(某人)做某事assist sb. to do sth. 帮助(某人)做某事assist with 帮助(照料，做)；在上给予帮助I am willing to assist you whenever there is an opportunity.有机会我愿随时帮你。Im afraid I cant assist you, you have to go and see the manager. 我恐怕帮不上忙，你得去找经理。The headmaster assists with a lot of things when
12、 free.有空时校长会帮忙做很多事。高手过招用assist的相关短语填空 （原创）The young nurse was very nervous when she in her first operation.A team of nurses the doctor performing the operation.She employed a woman to her the housework.Good glasses will you read.答案：was assisting assisted; inassist; with assist; to重点短语6. take up从事；占(时间、空间、注意力等)；继续This table takes up too much room. 这张桌子太占地方。She has taken up a job as a teacher. 她当上老师了。This chapter takes up where the last one off.本章继续上一章的内容。联想拓展take off 脱掉（衣服等）；起飞；打折；作为折扣而减价take over 接管；获得对的控制或管理take apart 拆开；分开后将分成许多部分take for
