Unit 8 第1课时 解析版.docx

Unit 8第1课时一、单项选择1. This question is muchA. seriousB. more seriously C. more serious D. serious【答案】C【详解】句意：这个问题要严重得多。考查形容词比较级辨析题。much更加，修饰形容词比较级；SeriOUS 严重的，比较级是不规则变化，需用more表示；本句缺表语形容词，根据句意语境，可知选C。2. Why do you look so worried ? Oh ,my new watch has.A. missingB. lostC. missedD. gone missing【答案】D【详解】句意：一你为什么看起来那么担心?一哦，我的新表不见了。考查动词时态辨析题。“has+ done”表示现在完成时结构，missing不可直接和助动词has/have连用，可排除Ao lost和missing都做表语，表示 状态；be的过去分词是been,可用gone代替；根据句意语境，可知选D。【点睛】miss和IoSe两个动词都可以表示“丢失",“失去”的意思，其形容词分别用missing和lost,两者的区别是：IoSl 强调被弄丢，其被动意味较浓；missing强调不见了，并不强调被弄丢。3. Jack,s brother is a dishonest man ,He is always,so nobody believes him .A. lieB. lyingC. liesD. lied【答案】B【详解】句意：杰克的哥哥是个不诚实的人，他总是撒谎，所以没有人相信他。考查动词形式辨析题。be always doing总是在做（某事），固定结构；根据句意语境，可知选B。4. The Chinese in red when they get married.A. dressedB. are dressed C. wearD. are worn【答案】B【解析】解析：句意：中国人结婚时穿红颜色的衣服。be dressed in表示“穿着”的状态，后面接表示颜色的 形容词，故排除选项A； Wear表示“穿着”的状态，后面不接in,故排除选项C和D；答案选B。5. Lucy is really and than Lily.A. funny; much outgoingB. funnier; most outgoingC. funny; much outgoingD. funnier; more outgoing【答案】D【解析】句意：露西真的是比莉莉更有趣、更外向。funny形容词，有趣的，funnier比较级；OUtgoing形容 词，外向的，more Oulgoing是比较级。根据句中Ihan可知，形容词使用比较级形式。故选：D。二、完型填空A strange thing happens to nearly everybody at night. They 6 the lights, pull up the covers and closetheir eyes. After they sleep for six or seven 7, they wake up again. It sounds very strange, doesn't it?Sleep puzzles （使困惑）science all the time. 8 and doctors would like to talk about why one can't fallasleep. They are not so sure 9 causes sleep.You will sleep the best both 10 you are in good health and when you don't eat loo much or too little.No worries and a comfortable place to sleep are 11, too. They advise against two in one bed.Strange things 12 during sleep. For example, you often move during your sleep. You should feel 13 if you didn't move. You also 14. Part of your brain is still 15 when you dream.Don't worry if you dream. Some great stories and poems were finished while their writers were dreaming.6. A. tum onB. tum offC.tum upD.tum down7. A. secondsB. hoursC.daysD.months8. A. ScientistsB. NursesC.ArtistsD.Inventors9. A. whyB. howC.whichD.what10. A. afterB. whenC.beforeD.until11. A. pleasedB. possibleC.importantD.funny.12. A. happenB. happensC.happenedD.happening13. A. hungryB. tiredC.relaxedD.worried14. A. sleepB. wake upC.thinkD.dream15. A. busyB. asleepC.awakeD.sleepy【答案】6. B7. B8. A9. D10. B11. C12. A13. B14. D15. C【分析】文章大意：本文主要介绍了一直困扰着科学家和医生们的睡眠问题。6 .句意：他们关灯盖上被子，闭眼睛。本题考查动词短语辨析。AtUmon意为“打开”：BulrnOff意为“关 闭”:C turn up 意为"调高"；D turn down 意为"关小根据"pull up the covers and close their eyes”可知，人们 关灯、盖上被子、闭上眼睛。故选B,7 .句意：在他们睡了六七个小时之后，会再一次醒来。本题考查常识与名词辨析。ASeCOndS秒；Bhours 小时；CdayS天；DmOnthS月。根据常识可知，人们一般要睡6到7个小时。故选B。8 .句意：科学家们和医生们都想知道一个人为什么不能入唾。本题考查细节理解。根据上句中“Sleep puzzles science all the time “可知，睡眠的问题一直困扰着科学界。科学家们和医生们对有人失眠的原因百思不得其 解。ASCienIiSIS科学家们；BNUrSeS护士们;CArtiStS艺术家们；DInVentOrS发明家们°故选A。9 .句意：他们不确定是什么导致了睡眠。本题考查宾语从句。What引导宾语从句，并在从句中作主语。他 们不知道什么会引起睡眠。AWhy为什么；BhOW怎么样；CWhiCh哪一个；DWhat什么。故选D。10 .句意:你睡得最好的时候是你身体很好的时候和你不是吃太多或吃太少的时候。根据该句后半部分的“hen you don eal loo much or loo IilUe”可知，both.and引导的是两个时间状语。在身体健康和饮食不过量时你的 睡眠最佳。AafIer在之后；BWhen时候；CbefOre在之前;DUrnil直到。故选B。11 .句意：放松的心情和舒适的睡眠环境也是非常重要的。木题考查形容词。APleaSed高兴的；B possible 可能的，合适的；CimPorlant重要的；DfUnny.有趣的。根据常识可知，放松的心情和舒适的睡眠环境也是 非常重要的。故选C。12 .句意：在睡眠过程中会发生一些奇怪的事情。本题考查一般现在时。根据“Forexample”内容可知，在睡 眠过程中会发生一些奇怪的事情。该句表示的是客观事实，故用一般现在时h叩PCn，AhaPPen一般现在时；B happens第三人称单数形式；C happened 一般过去时；D happening正在进行时。故选A<,13 .句意：如果在睡眠过程中一动不动，你肯定会感到很累。本题考查动词辨析。Ahungry意为“饥饿的”； Blired意为“累的”；CreIaXed意为“放松的"：DWOrried意为“焦虑的”。如果在睡眠过程中一动不动，你肯 定会感到很累。故选B。14 .句意：你也会做梦。本题考查词义辨析。根据下文“when you drcam"你做梦的时候可知前面说的是做梦， A sleep 睡觉；B wake up 醒来；C think 想；D dream 做梦。故选 D。15 .句意：当你做梦的时候，你的大脑仍然醒着。本题考查词义辨析。根据常识可知，在做梦时，你的部 分大脑仍处在清醒的状态。AbUSy忙碌的：BaSleeP睡着的：CaWake醒着的；DSleePy困倦的。故选C。【点睛】通读全文了解大意，抓住上下文语境提供的信息，充分利用各种线索作答，注意文章开头第一句。明确词 义、词性和搭配。根据语法知识、典型句型及句型之间的关系来作答。本题中的第12题和第15题根据我 们的常识清楚词义即可选正确答案，本题较为容易提示词较多。第七题考查客观事实用一般现在时。 三、阅读单选AMy parents went to work and left my brother and me alone at home. I was doing my homework while my younger brother was watching television. Suddenly the doorbell rang. My younger brother rushed to open the door thinking that our parents came home.Outside,stood a tall man wearing a black raincoat. He said that he was a salesman and asked politely if our mother or father was at home. Without thinking,my brother said,"No. " He asked if we would like to buy some books,which he was selling. I quickly explained that we were not supposed to buy anything without our parents' permission （允许）.Then,as 1 was about to close the door,he forced his way into our house. He took out a knife and forced me to tie up my brother's hands with a rope which he took out from his p