【步步高 学案导学设计】高中英语 Unit 4 Period 2 Language Points课时作业 新人教版必修4.doc

period twolanguage points.语境填词1she took the two oclock _(班机) to chicago.2i would like to leave to avoid being _(误解)3summer vacation is _(临近)what are you going to do?4people often _(问候) each other with “hello” or “hi” when they meet by chance in the street.5suddenly alice _(猛冲) into the room，grabbed her bag and ran out again.6mr.li played a _(主要的) part in the improvement of teaching in our school.7who will _(代表) our country to take part in the competition hasnt been decided.8the teacher often asks us to take every chance to improve our _(口语的) english.9at the next _(十字路口) turn right.10“whats it？” asked the boy _(好奇地) with his eyes wide open.词义辨析1用defend，guard，protect的适当形式填空(1)the dog _ the house day and night.(2)wearing dark glasses can _ your eyes from the sun.(3)we will _ our country against enemies.(4)troops have been sent to _ the borders.2用likely，probable，possible填空(1)would it be _ for me to leave a message for her?(2)the teacher went for further study and he said he was _ to come back the next week.(3)it is _ that he will be late.(4)this means that price is _ to go down because of the competition.句型转换1not all my brothers smoke._ _ _ dont smoke.2if the dog comes close to you，you should not run away quickly.if the dog _ you，you should not run away quickly.3at the meeting，the students chose a committee to speak for them.at the meeting，the students chose a committee to _ them.4generally speaking，almost all women like shopping for new clothes._ _，almost all women like shopping for new clothes.5my sister is an english major.my sister _ _ english.6the girl working hard is likely to succeed.it _ _ _ the girl working hard will succeed.单项填空1people have always been_about exactly how life on earth began.acurious bexcitedcanxious dcareful2at the meeting they discussed three different _ to the study of mathematics.aapproaches bmeanscmethods dways3new methods were _ into the company to improve its products.aintroduced binventedcdiscovered dapproached 4.all the policemen have been trained to _ themselves against the sudden attacks.afight bdefendcdress dbalance5smoking is one of the _ causes of cancer，killing millions of people each year.amajor bsimilarccommercial dchemical6mr.parkinson stood up and left the room，_ the door behind him.aclosing bclosedcclose dto close7not all cultures greet each other the same way.choose the sentence with the similar meaning.anone of the cultures greet each other the same way.ball cultures dont greet each other the same way.call cultures greet each other the same way.dno cultures greet each other the same way.8i dont know how to use a computer，_.aand my sister doesnt neitherbnor my sister cancnor does my sisterdand my sister does either9“cant you read？” mary said _ to the notice.aangrily pointingband point angrilycangrily pointeddand angrily pointing10the last one _ pays the meal.agreed!aarrived barrivescto arrive darriving.完形填空most people probably do not need to take vitamin pills to _1_ their health._2_ millions of people do.in the united states 40 percent of the people _3_ take vitamin pills.the american medical association _4_ that vitamins can help keep people _5_ when _6_ correctly._7_， children may need to take vitamins for a while; pregnant (怀孕的)women and women breastfeeding their children _8_ need vitamins; people who do not eat meat _9_ are eating less food to lose weight may need them._10_， other people do not.but they should try to eat moderate amounts of all kinds of _11_fruit and vegetables, grains, milk, meat and fish. about half of all americans who take vitamins _12_ small amounts just to _13_ their vitamin levels a little.the health care groups say these people are _14_ not harming themselves._15_ half use large amounts in an effort to prevent some things like cancer and heart disease.ama researcher wayne callaway says that there is no proof _16_ vitamins can prove their works.and huge amounts of vitamins, he says，_17_ be harmful.for example，_18_ vitamin a can damage the liver (肝脏)and bones; too much vitamin b can change the nerves; too much vitamin c or vitamin d may produce kidney stones (肾结石)dr.callaway says that people may not get all the vitamins health experts say we need every day._19_ those daily levels, he says，is already _20_ higher than we need for good health.1a.developbimprovecincreasedadd to2.a.andbsochoweverdyet3a.reportedlybreportcreporteddreporting4a.notesbreferredcknewdspoke5a.healthbhealthycto be healthydhealthily6a.usebusedcusingdbeing used7.a.likebfor examplecsuch asdand so on8a.maybmustcwilldshould9a.andbbutcordwhile10a.as usualbgeneral speakingcin alldin general11a.foodsbthingscvitaminsdmedicines12a.useband usectakingdto take13a.risebaddcimprovedincrease14a.likelybpossiblecprobabledprobably15a.anotherbothercothersdthe other16a.whichbthatcifdwhether17a.mustbwillccandshould18a.much toobtoo muchcmanydmore19a.sobbutcanddwith20a.muchba fewcfarda littleat ease，with easeeaseher mind was at ease knowing that the children were safe.听说孩子们都很安全，她才放心。he passed the examination with ease.他轻松地通过了考试。period twolanguage points.1.flight2.misunderstood3.approaching 4greet5.dashed6.major7.represent8spoken9.crossroads10.curiously.1.(1)guards(2)protect(3)defend(4)defend(1)defend用在军事上，指防御、保卫、抵御或击退外来威胁或攻击；用于非军事意义时，指保护、辩护。(2)guard指守卫、监视或戒备潜在的危险。(3)protect指设置障碍或掩护，以保护某人、某物免遭危害、损失等。常用于防御风雨、寒冷、烈日、疾病或保护经济、法律权益等。2(1)possible(2)likely(3)likely/probable/possible(4)likely(1)likely强调表面上看来有可能，可用于it is likely that.结构，表示“很可能”，也可用于“sb./sth.is likely to do”结构。(2)probable表示有几分根据的推测，比possible表示的可能性大。换句话说，probable的“有可能”是指实际的依据或逻辑上合乎情理。常用句型：it is probable that.。(3)possible表示潜在的可能性，也许实际发生的可能性并不大。常用句型：it is possible that.；it is possible (for sb.) to do。.1.all；my；brothers2.approaches3.represent4in；general5.majors；in6.is；likely；that.1.a句意为：人们对于地球上人类的起源问题一直充满好奇。be curious about对感到好奇，符合题意。be excited about因而激动；be anxious about为而忧虑；be careful about当心。2a四个选项都有“方法”的意思，但只有approach能和to连用。3abe introduced into把引进。句意为：这家公司引进了新的方法来提高产品。 4b句意为：所有的警察都经过了抵御突然袭击的培训。defend oneself against保卫以免受袭击。fight against同打仗；dress oneself打扮自己；balance平衡；权衡。5a句意为：吸烟是癌症最主要的原因之一，每年有数百万的人丧生。major主要的，符合句意。6a现在分词短语作伴随状语。7bnot allall not是部分否定。句意为：并不是所有的文化都以相同的方式打招呼。8c句意为：我不知道如何使用电脑，我姐姐也不知道。“nor/neither情态动词/助动词/be动词主语”表示“前面的否定情况也适合于后面的人或物”。9a本句考查的是现在分词作伴随状语。mary said angrily pointing to.也可以变成并列谓语形式and pointed angrily to.。10c当中心词为序数词，最高级，the last或中心词被这类词修饰时，多用不定式作定语。.1.bimprove ones health 使某人健康好转；a 项意为“发展”；c、d两项意为“增加”。 2.d根据文章，这里有转折的意思。yet 表“然而”，常放于句首；however表“然而”，后面常用逗号与句子隔开。3a这里需要用一个副词来修饰动词take, 所以需要选reportedl