高中英语人教版必修2课时跟踪检测(九) Word版含解析

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高中英语人教版必修2课时跟踪检测(三) Word版含解析

高中英语人教版必修2课时跟踪检测(三) Word版含解析

课时跟踪检测(三) Warming Up & Reading — Language Points Ⅰ.单句语法填空1.One of the volunteers (volunteer) for the rescue work injured himself when helping others.2.They volunteered to_repair (repair) the house for the old lady.3.We judge a worker on the basis (basic) of his performance.4.If you leave the club, you will not be_admitted (admit) back in.5.The children are responsible for cleaning their own rooms.6.She replaced her husband as an English teacher.7.People usually eat mooncakes which stand for a happy reunion on the Mid-Autumn Day.8.He as well as his friends likes (like) travelling.9.They set up a factory in what used to be a garden.10.It was in 1999 that they first met each other.Ⅱ.完成句子1.If you don’t go to the Great Wall today, nor_will/shall_I. (nor)如果你今天不去长城,我也不去了。

2.He didn’t collect as_much_information_as he needed for his book. (as)他没有收集到写书所需要的那么多信息。

2021-2022学年高中英语(人教版必修2)课时跟踪检测(六) Word版含答案

2021-2022学年高中英语(人教版必修2)课时跟踪检测(六) Word版含答案

课时跟踪检测(六)Learning about Language & Using LanguageⅠ.单句语法填空1.In a way you can get what you want by doing this.2.She made a sudden appearance (appear) just as we were about to leave.3.With the help of robots, man can explore some dangerous areas of the world.4.Every time he was late for class, he would make up an excuse.5.Children must learn how to deal with all the situations in their life.6.She had to ask for a day's leave to watch over her sick child.7.Unless invited (invite), I won't go to his wedding party.8.Mary doesn't believe what he has said, for he always tells lies.Ⅱ.完成句子1.With_the_help_of (在……挂念下) his teacher, he made greater progress in his physics.2.The new teacher is fresh from university. He really doesn't know how to deal_with (应付) his badly­behaved students.3.Well, the story is too much for Mary. She can't understand; after_all (到底), she's only two.4.In_a_way (从某种程度上), his biology has improved, but there is still a long way to go.5.He was so_angry_that (如此生气以至于……) he left the room without saying a word.6.The driver hurt in the accident was_watched_over (被看护) in hospital all the time by the doctor yesterday.7.His wife died in 1992 and from_then_on (从那时起) he lived alone.8.He didn't work hard; as_a_result (结果), he failed in the exam.Ⅲ.完形填空There was once a boy who was very rich and clever but nothing could make him feel happy. He had almost everything a boy could ever want, so he was only __1__ in the most rare objects. One day his parents bought him a very strange __2__. When the boy went to see his reflection (映像) in it, he looked very __3__. He tried smiling, __4__ his reflection continued with its sad expression.__5__, the boy went off to buy sweets and lots of toys. He came home as happy as he could be, but he __6__ looked sad in that mirror.“What a(n) __7__ mirror! It's the first time I've seen a mirror that didn't __8__ properly!”That afternoon he went out to buy some toys and on his way he saw a little girl who was __9__. The boy went over to see what had __10__ to her. The little girl said that she couldn't find her parents.Together the two children set off __11__ them. As the little girl wouldn't stop crying, the boy spent all of his money buying her sweets to __12__ her up. After much walking, they __13__ her parents who were looking for her, very worried.Then the boy said __14__ to the family. When seeing the time, he __15__ to head for home, without toys and without __16__. In his room, to his great surprise, he found a(n) __17__ face in the mirror. And so he understood the __18__ of that mirror. The mirror could only reflect the __19__ feelings of its owner. He felt really happy at having __20__ that little girl.语篇解读:一个有钱又聪慧的小男孩得到一面镜子,但他发觉无论自己表现得多快活,镜子中的他看上去都是哀痛的。

高中英语人教版高一必修1课时跟踪检测(九)_word版含解析

高中英语人教版高一必修1课时跟踪检测(九)_word版含解析

课时跟踪检测(九)Warming Up & Reading — Language Points Ⅰ.单句语法填空1.The twins can both run equally (equal) fast.2.You should keep an active attitude towards life.3.My sister was so devoted (devote) to playing the piano at one time.4.Jane is unhappy now, for she has been out of work for two weeks.5.To her joy, most people voted for the new law.6.He is unwilling/willing (will) to run the risk of losing his money.7.When she grew up, she became the best lawyer (law) in the city.8.I usually turn to a computer for help when I meet some new problems.9.As a matter of fact, we still have much work to do in many fields.10.Whenever you are in trouble, I’m sure to help you.Ⅱ.完成句子1.In order to win, we will have to fight_against_difficulties (同困难作斗争).2.There were thousands of passengers in the train when it blew_up (爆炸).3.John became a citizen of that country, gaining the_right_to_vote (选举的权利).4.Jim has_been_in_prison (坐牢) for three years because he broke the law.5.We were put into a position where_we_had_to_take_action_at_once (我们不得不立刻采取行动).6.I did_see_that_famous_star (确实见到那位明星了) the day before yesterday.7.However, this_was_a_time_when (这是一段……的时期) you had got to work from dawn to dusk to support your family.8.Only when you lose your health do_you_know_its_value (才懂得它的珍贵).Ⅲ.阅读理解ANot long ago, a rock band called the Backstreet Boys made_a_big_splash on the music scene. Young people everywhere loved their songs. One of the band’s biggest fans was a young boy named Aaron Carter. Aaron had a special reason for taking such an interest in the band. Nick Carter, one of the Backstreet Boys, was Aaron’s big brother.Even before Nick joined the band in 1996, Aaron loved music. From the age of two, Aaron spent most of his time listening to the radio. He sang along with his favorite songs. He made up dances to go with them. So Aaron’s family was not surprised when Aaron decided to follow Nick into the music world.Aaron got off to a fast start. At the age of seven, he joined a band in his hometown of Tampa, Florida. But after two years, Aaron didn’t want to be part of a band anymore. He wanted to sing alone. Soon, Brother Nick gave Aaron a helping hand. During a Backstreet Boys show in Germany, Aaron sang a song. He did an amazing job! After the show, someone from a record company asked Aaron to make an album (专辑). Of course, Aaron said yes!Since that day, Aaron has made lots of songs that sell well. His songs include Crush on You and I’m Gonna Miss You Fore v er.Aaron has worked hard to become a success. But he never forgets how his brother gave him his start. As Aaron has said, “If Nick wasn’t a singer, then I wouldn’t be there.”语篇解读:本文讲述了英国著名歌手亚伦·卡特的成功经历。

(vip免费)人教版必修2课时跟踪检测卷(整本书汇总)

(vip免费)人教版必修2课时跟踪检测卷(整本书汇总)

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如果在使用过程中,发现有任何问题,请搜索微信订阅号:fifteen1617,联系客服,会有更大的惊喜等着您哦!使用本资源,您将得到非常完美的体验,感谢您的下载使用!~超级资源(共18套)人教版必修2(全册)课时跟踪检测卷汇总课时跟踪检测(一)孟德尔的豌豆杂交实验(一)一、选择题1.下列各项中属于相对性状的是()A.克隆羊的黑毛和白毛B.眼大和眼角上翘C.桃树的红花和绿叶D.豌豆的高茎和水稻的矮茎2.下列有关孟德尔一对相对性状杂交实验的说法中,不.正确的是()A.豌豆是自花受粉,实验过程免去了人工授粉的麻烦B.在解释实验现象时,提出的“假说”是F1产生配子时,成对的遗传因子分离C.解释性状分离现象的“演绎”过程:若F1产生配子时,成对的遗传因子分离,则测交后代出现两种性状表现类型,且比例接近1∶1D.检测假设阶段完成的实验:让子一代与隐性纯合子杂交3.孟德尔探索遗传规律时,运用了“假说—演绎法”,该方法的基本内涵是:在观察与分析的基础上提出问题后,通过推理和想象提出解决问题的假说,根据假说进行演绎推理,再通过实验证明假说. 下列相关叙述中不.正确的是()A.“为什么F1只有显性性状,F2又出现隐性性状?”属于孟德尔提出的问题之一B.“豌豆在自然状态下一般是纯种”属于孟德尔假说的内容C.“测交实验”是对推理过程及结果进行的检验D.“生物性状是由遗传因子决定的,体细胞中遗传因子成对存在”属于假说内容4.在“性状分离比的模拟”实验中,有人在两个小罐中分别放了10个、50个玻璃球. 下列对他的这种做法的评价,你认为正确的是()A.会影响配子出现的概率,从而导致实验结果误差增大B.两个罐中玻璃球数量不同,会影响实验的结果C.玻璃球数量少的罐代表雄性生殖器官D.玻璃球数量多的罐代表雄性生殖器官5.关于纯合子与杂合子的叙述正确的是()A.纯合子自交,后代不发生性状分离B.杂合子杂交,后代不发生性状分离C.纯合子自交,后代发生性状分离D.杂合子自交,后代不发生性状分离6.在孟德尔进行的一对相对性状的遗传实验中,具有1∶1比例的是()①F1产生配子的分离比②F2性状分离比③F1测交后代性状分离比④亲本杂交后代性状分离比⑤F2测交后代性状分离比A.①②B.③④C.②③⑤D.①③7.关于测交方式的叙述不.正确的是()A.F1×隐性类型→检测F1的遗传因子组成B.通过测定F1的遗传因子组成来验证对分离现象理论解释的科学性C.测F1的遗传因子组成是根据F1×隐性类型→所得后代表现型反向推知的D.测交时,与F1杂交的另一亲本无特殊限制8.孟德尔对一对相对性状进行研究的过程中,发现了分离定律. 下列有关分离定律的几组比例中,能说明分离定律实质的是()A.F2的表现型之比为3∶1B.F1产生的配子之比为1∶1C.F2的基因型之比为1∶2∶1D.测交后代之比为1∶1二、非选择题9.在一些性状遗传中,具有某种遗传因子组成的合子不能完成胚胎发育,导致后代中不存在该遗传因子组成的个体,从而使性状的分离比发生变化,小鼠毛色的遗传就是一个例子. 一个研究小组经大量重复实验,在小鼠毛色遗传的研究中发现:A.黑色鼠与黑色鼠杂交,后代全部为黑色鼠B.黄色鼠与黄色鼠杂交,后代黄色鼠与黑色鼠的数量比为2∶1C.黄色鼠与黑色鼠杂交,后代黄色鼠与黑色鼠的数量比为1∶1根据上述实验结果,回答下列问题(控制毛色的显性遗传因子用A表示,隐性遗传因子用a表示):①黄色鼠的遗传因子组成是________,黑色鼠的遗传因子组成是________.②推测不能完成胚胎发育的合子的遗传因子组成是____________.③写出上述B、C两个杂交组合的遗传图解.10.果蝇的黑体(v)与灰体(V)是一对相对性状,某实验小组对果蝇的这对相对性状进行遗传研究. 如果用含有某种添加剂的食物喂养果蝇,所有的果蝇都是黑体,现有一只用含有该种添加剂的食物喂养的黑体雄果蝇,请设计一个实验探究其遗传因子组成.(1)应选取_______________________________________________________________果蝇与待测果蝇交配.(2)用___________________________________________________________________喂养子代果蝇.(3)通过观察子代果蝇性状,推断待测果蝇的遗传因子组成:①若子代________,则待测果蝇的遗传因子组成为VV;②________________________________________________________________________;③________________________________________________________________________.答案1.选A眼大和眼角上翘不是同一种性状;C项也不符合同一性状的不同表现的要求;D项不是同一物种的性状.2.选A豌豆是自花传粉植物,而且是闭花受粉,在做杂交实验时要去雄并进行人工授粉.3.选B“豌豆在自然状态下一般是纯种”属于事实,是豌豆作为实验材料的优点,不属于假说内容.4.选D对于代表两性生殖器官的小罐,只要其中的两种玻璃球数量相等,两种配子出现的概率就相等,与玻璃球数量的多少无关. 对于大多数生物来说,都是雄性配子远多于雌性配子,所以代表雄性生殖器官的小罐中玻璃球的数量多于代表雌性生殖器官的小罐更符合实际情况.5.选A纯合子自交,后代全是纯合子,不会发生性状分离. 杂合子自交的后代既有纯合子,也有杂合子,会发生性状分离.6.选D F1产生两种比例相等的配子,F2的性状分离比为3∶1,F1测交后代性状分离比为1∶1.7.选D由于测交是指与隐性个体的杂交,所以可以检测另一个体遗传因子的组成,若发生性状分离,则另一个体是杂合子,若不发生性状分离则另一个体为纯合子;通过F1与隐性个体的测交,F1产生了比例相等的两种配子,验证了假说的正确性.8.选B分离定律的实质是:生物体在形成配子时,成对的遗传因子发生分离,分离后的遗传因子分别进入不同的配子中,随配子遗传给后代. 当F1为杂合子时,形成的两种配子比例为1∶1.9.解析:根据B组中黄色鼠的后代出现黑色鼠可知,B组亲本黄色个体为杂合子(Aa),且黄色对黑色为显性,黑色个体都是隐性纯合子(aa). 由B组亲本黄色个体为杂合子(Aa)可知,其后代的遗传因子组成为1AA(黄色)∶2Aa(黄色)∶1aa(黑色),AA个体在胚胎发育过程中死亡,则存活的黄色鼠遗传因子组成为Aa.答案:①Aa aa AA③B杂交组合:C杂交组合:10.解析:(1)根据题意可知,用含某种添加剂的食物喂养的果蝇全为黑色,则待测黑体果蝇的遗传因子组成可能为VV、Vv或vv,要确定其遗传因子组成,应选用遗传因子组成为vv的雌果蝇与其交配,且只能用不含添加剂的食物喂养得到的黑体果蝇(vv). 此外,为保证子代果蝇有较多数量,便于分析,可选用多只雌果蝇.(2)为防止食物中添加剂对子代果蝇体色产生影响,应用不含添加剂的食物来喂养子代果蝇.(3)根据杂交子代果蝇的体色,可推断被测果蝇的遗传因子组成:①若子代全为灰体,则待测果蝇的遗传因子组成为VV;②若子代全为黑体,则待测果蝇的遗传因子组成为vv;③若子代中既有灰体,也有黑体,则待测果蝇的遗传因子组成为Vv.答案:(1)多只用不含添加剂的食物喂养的黑体雌(2)不含添加剂的食物(3)①全为灰体②若子代全为黑体,则待测果蝇的遗传因子组成为vv③若子代既有灰体,也有黑体,则待测果蝇的遗传因子组成为Vv课时跟踪检测(五)基因在染色体上一、选择题1.已知果蝇的体细胞内有4对同源染色体,根据萨顿的假说,关于该动物减数分裂产生配子的说法正确的是()A.果蝇的精子中含有成对的基因B.果蝇的体细胞只含有一个基因C.果蝇的4对同源染色体上含有的基因可以同时来自父方,也可以同时来自母方D.在体细胞中,基因是成对存在的,在配子中只含有成对基因中的一个2.有关基因和染色体平行关系的叙述不.正确的是()A.基因在杂交过程中保持完整性和独立性,染色体在配子形成和受精作用中也有相对稳定的结构B.在体细胞中基因成对存在,染色体也成对. 在配子中成对的基因只有一个,同样成对的染色体也只有一条C.体细胞中成对的基因一个来自父方,一个来自母方,同源染色体也是如此D.非等位基因在形成配子时自由组合,非同源染色体在减数第二次分裂后期也是自由组合3.在某种高等动物的减数分裂过程中,等位基因的分离、非同源染色体上非等位基因的自由组合以及同源染色体上非姐妹染色单体之间的交叉互换分别发生在() A.都在减数第一次分裂后期B.减数第一次分裂前期、减数第一次分裂后期和减数第二次分裂后期C.都在减数第二次分裂后期D.减数第一次分裂后期、减数第一次分裂后期和减数第一次分裂前期4.通过对细胞有丝分裂、减数分裂和受精作用的研究,以及对染色体化学成分的分析,人们认为染色体在遗传上起重要作用. 那么,从细胞水平看,染色体能起遗传作用的理由是()A.细胞里的DNA大部分在染色体上B.染色体主要由DNA和蛋白质组成C.DNA在染色体里含量稳定,是主要的遗传物质D.染色体在生物传种接代中能保持稳定性和连续性5.果蝇的红眼对白眼为显性,且控制眼色的基因仅在X染色体上. 下列杂交组合中,通过眼色即可直接判断子代果蝇性别的一组是()A.杂合红眼雌果蝇×红眼雄果蝇B.白眼雌果蝇×红眼雄果蝇C.杂合红眼雌果蝇×白眼雄果蝇D.白眼雌果蝇×白眼雄果蝇6.某动物细胞中位于常染色体上的基因A、B、C分别对a、b、c为显性. 用两个纯合个体杂交得F1,F1测交结果为aabbcc∶AaBbCc∶aaBbcc∶AabbCc=1∶1∶1∶1. 则F1体细胞中三对基因在染色体上的位置是()7.果蝇的红眼和白眼是由X染色体上一对等位基因控制的,现有一对红眼果蝇交配,F1中出现了白眼果蝇. 若F1的雌雄果蝇自由交配,则F2中红眼与白眼的比例为() A.3∶1B.5∶3C.13∶3D.7∶18.在果蝇中,长翅(B)对残翅(b)是显性,位于常染色体上;红眼(A)对白眼(a)是显性,位于X染色体上. 现有两只雄果蝇甲、乙和两只雌果蝇丙、丁,这四只果蝇的表现型全是长翅红眼,用它们分别交配,后代的表现型如下:甲×丁→长翅红眼、长翅白眼乙×丙→长翅红眼乙×丁→长翅红眼、长翅白眼、残翅红眼、残翅白眼对这四只果蝇基因型的推断正确的是()A.甲为BbX A Y B.乙为BbX a YC.丙为BBX A X A D.丁为bbX A X a二、非选择题9.已知果蝇的黑身与灰身是一对相对性状(显性基因用A表示,隐性基因用a表示);长硬毛与短硬毛是另一对相对性状(显性基因用B表示,隐性基因用b表示). 现有两只果蝇杂交,所得子代的表现型及其数量如下表所示.(1)果蝇的黑身与灰身这对相对性状中,显性性状是________,理由是________________. 如果你的判断正确,那么用上表中一个灰身雌果蝇与一个灰身雄果蝇杂交,理论上应出现什么结果?__________________________________________________________________________________________________________________________.(2)果蝇短硬毛的遗传方式是________. 如果给你提供长硬毛雌果蝇、长硬毛雄果蝇、短硬毛雌果蝇、短硬毛雄果蝇,你将如何通过一次杂交对上述判断加以验证?(只要求写出遗传图解)10.实验室中现有一批未交配过的纯种长翅灰体和残翅黑檀体的果蝇. 已知长翅和残翅这对相对性状受一对位于Ⅱ号同源染色体上的等位基因控制. 现欲利用以上两种果蝇研究有关果蝇灰体与黑檀体性状的遗传特点(说明:控制果蝇灰体和黑檀体的基因在常染色体上,所有果蝇均能正常繁殖、存活),请设计一套杂交方案,同时研究以下两个问题:问题一:研究果蝇灰体、黑檀体是否由一对等位基因控制,并作出判断.问题二:研究控制灰体、黑檀体的等位基因是否也位于Ⅱ号同源染色体上,并作出判断.(1)杂交方案:①选取________和________两亲本杂交得F1;②F1________得F2;③分析判断.(2)对问题一的推断及结论:若F2出现性状分离,且灰体与黑檀体果蝇数目之比为________,说明控制该对性状的是一对等位基因;反之,则不是由一对等位基因控制.(3)对问题二的推断及结论:如果F2出现________种表现型,且分离比为________,说明性状的遗传符合自由组合定律,因此控制灰体、黑檀体的这对等位基因不是位于Ⅱ号同源染色体上. 反之,则可能位于Ⅱ号同源染色体上.答案1.选D根据萨顿的假说,基因和染色体行为存在着明显的平行关系,在体细胞中基因成对存在,染色体也是成对的. 在配子中成对的基因只有一个,同样,成对的染色体也只有一条;体细胞中成对的基因一个来自父方,一个来自母方,不可能同时来自父方或母方.2.选D在减数分裂过程中,同源染色体上的等位基因彼此分离的同时,非同源染色体上的非等位基因自由组合,这一过程发生在减数第一次分裂的后期.3.D4.选D注意题干中“从细胞水平看,染色体能起遗传作用的理由”. A和B选项是从分子水平说明染色体的化学组成,C选项也是从分子水平说明染色体中DNA含量的特点,这些都与题意不符.5.选B“通过眼色即可直接判断子代果蝇性别”即子代雌性和雄性果蝇眼色不同. 设红眼由基因A控制、白眼由基因a控制. A项为X A X a×X A Y→雌性都是红眼,雄性1/2红眼、1/2白眼,不能直接判断子代果蝇性别;B项为X a X a×X A Y→雌性都是红眼,雄性都是白眼,可以直接判断子代果蝇性别;C项为X A X a×X a Y→后代雌雄各1/2红眼和1/2白眼,不能直接判断子代果蝇性别;D项为X a X a×X a Y→后代全是白眼,也不能直接判断子代果蝇性别.6.选B测交就是让F1与隐性纯合子杂交,目的是确定F1的基因型. 根据题干可知,测交后代有四种基因型,说明F1产生了四种配子,即abc、ABC、aBc、AbC,由此可推出,A、a和C、c位于同一对同源染色体上.7.选C果蝇眼色是伴X染色体隐性遗传,红眼是显性,白眼是隐性. 由题意可知,F1的基因型是X A X A、X A X a、X A Y、X a Y,雌性个体中X A X A、X A X a各占1/2,雄性个体中X A Y、X a Y也是各占1/2,随机交配后,计算出白眼的比例即可. 白眼占的比例为(1/2)×(1/2)×(1/4)+(1/2)×(1/2)×(1/2)=3/16,因此红眼的比例为13/16.8.选C由于四个亲本都是长翅红眼,乙和丁的后代有残翅白眼,说明乙的基因性是BbX A Y,丁的基因型是BbX A X a;甲和丁的后代只有长翅,说明甲的基因型是BBX A Y;乙和丙的后代只有长翅红眼,说明丙的基因型是BBX A X A.9.解析:(1)子代中灰身与黑身出现3∶1的分离比,且子代中这对性状的表现与性别不相关联,因此灰身为显性性状,基因位于常染色体上,亲本的基因型为Aa×Aa;若选取子代中一个灰身雌果蝇与一个灰身雄果蝇杂交,选出的杂交组合有AA×AA、AA×Aa或Aa×Aa,因此杂交子代的结果为全部灰身或灰身与黑身呈现3∶1的分离比. (2)子代中长硬毛与短硬毛出现3∶1的分离比,且短硬毛均为雄性,因此长硬毛为显性性状,基因位于X 染色体上,亲本的基因型为X B X b×X B Y. 基因位于X染色体上的验证方法是取隐性雌性与显性雄性杂交,即短硬毛雌果蝇与长硬毛雄果蝇杂交.答案:(1)灰身子代中,灰身与黑身呈现出3∶1的分离比全是灰身或者灰身与黑身呈现出3∶1的分离比(2)伴X染色体隐性遗传遗传图解如图短硬毛雌果蝇长硬毛雄果蝇P X b X b×X B Y↓F1X B X b X b Y雌果蝇均为长硬毛雄果蝇均为短硬毛10.解析:如果果蝇灰体、黑檀体是由一对等位基因控制的,则该对性状的遗传符合基因的分离定律,F2的性状分离比表现为3∶1,否则就不是由一对等位基因控制;如果控制灰体、黑檀体的等位基因不位于Ⅱ号同源染色体上,则体色和翅形这两对相对性状的遗传遵循基因的自由组合定律,F2的性状分离比是9∶3∶3∶1,否则控制果蝇体色的基因就可能位于Ⅱ号同源染色体上.答案:(1)①长翅灰体残翅黑檀体②雌雄果蝇杂交(2)1∶3或3∶1(3)4 9∶3∶3∶1课时跟踪检测(七)DNA是主要的遗传物质一、选择题1.一百多年前,人们就开始了对遗传物质的探索历程. 下列有关叙述错误的是() A.最初认为遗传物质是蛋白质,是因为推测氨基酸的多种排列顺序可能蕴含遗传信息B.格里菲思通过肺炎双球菌的转化实验得出“DNA是遗传物质”的结论C.噬菌体侵染细菌实验之所以更有说服力,是因为它将蛋白质与DNA分开进行研究D.用烟草花叶病毒等进行实验,证明了RNA是该病毒的遗传物质2.在肺炎双球菌的转化实验中,在培养有R型细菌的1、2、3、4四支试管中,依次加入从S型活细菌中提取的DNA、DNA和DNA酶、蛋白质、多糖,经过培养,结果发现试管内仍然有R型细菌的是()3.(海南高考)关于T2噬菌体的叙述,正确的是()A.T2噬菌体的核酸和蛋白质中含硫元素B.T2噬菌体寄生于酵母菌和大肠杆菌中C.RNA和DNA都是T2噬菌体的遗传物质D.T2噬菌体可利用寄主体内的物质大量增殖4.格里菲思用肺炎双球菌在小鼠身上进行了著名的转化实验,此实验结果()A.证明了DNA是遗传物质B.证明了RNA是遗传物质C.证明了蛋白质是遗传物质D.没有具体证明哪一种物质是遗传物质5.在肺炎双球菌的转化实验中,能够证明DNA是遗传物质的最关键的实验步骤是()A.将无毒R型活细菌与有毒S型活细菌混合后培养,发现R型细菌转化为S型细菌B.将无毒R型活细菌与加热杀死后的S型细菌混合后培养,发现R型细菌转化为S 型细菌C.从加热杀死后的S型细菌中提取DNA、蛋白质和多糖,加入培养R型细菌的培养基中,发现R型细菌转化为S型细菌D.从S型活细菌中提取DNA、蛋白质和多糖,分别加入培养R型细菌的培养基中,发现只有加入DNA,R型细菌才能转化为S型细菌6.生物兴趣小组模拟赫尔希和蔡斯做了噬菌体侵染细菌实验如下图. 有关分析不.正确的是()A.理论上,b中不应具有放射性B.b中含放射性的高低,与②过程中搅拌是否充分有关C.若b中含有放射性,说明与①过程中培养时间的长短有关D.上述实验过程并不能证明DNA是遗传物质二、非选择题7.1952年“噬菌体小组”的赫尔希和蔡斯研究了噬菌体的蛋白质和DNA在侵染细菌过程中的功能,请回答下列有关问题:(1)他们指出“噬菌体在分子生物学中的地位就相当于氢原子在玻尔量子力学模型中的地位. ”这句话指出了噬菌体作为实验材料具有__________________的特点.(2)通过____________________________________的方法分别获得被32P和35S标记的噬菌体,用标记的噬菌体侵染细菌,从而追踪在侵染过程中__________变化.(3)侵染一段时间后,用搅拌器搅拌,然后离心得到上清液和沉淀物,检测上清液中的放射性,得到如下图所示的实验结果. 搅拌的目的是________________,所以搅拌时间少于1 min时,上清液中的放射性__________. 实验结果表明当搅拌时间足够长时,上清液中的35S和32P分别占初始标记噬菌体放射性的80%和30%,证明__________________.图中“被侵染的细菌”的存活率曲线基本保持在100%,本组数据的意义是作为对照组,以证明____________,否则细胞外________的含量会增高.(4)本实验证明在噬菌体复制和遗传过程中____________起着作用.8.请分析以下实验并回答问题.有人曾重复做了“肺炎双球菌转化实验”,步骤如下:a.将一部分S型细菌加热杀死;b.制备符合要求的培养基并均匀分为若干组,将相应菌种分别接种到各组培养基上(如下图中文字说明部分);c.将接种后的培养基置于适宜温度下培养一段时间后,观察菌落生长情况,实验结果如下图所示.本实验可得出的结论是______________________________________________________.(2)艾弗里等人通过实验证实了在上述细菌转化过程中起作用的是DNA. 请用DNA酶做试剂,选择适当的材料用具,设计实验方案,验证“促使R型细菌转化成S型细菌的物质是DNA”,并预测实验结果,得出实验结论.①实验方案如下.第一步:从S型细菌中提取出其DNA. 同时,制备符合要求的培养基,并将盛有等量培养基的培养装置分别标号A、B、C;第二步:_________________________________________________________________;第三步:_________________________________________________________________;第四步:_________________________________________________________________.②请预测实验结果并得出合理结论. __________________________________________.③通过本实验,还有得出的新的结论:_______________________________________.答案1.选B格里菲思通过肺炎双球菌的转化实验证明S型细菌中存在一种“转化因子”,证明该“转化因子”是DNA的科学家是艾弗里,他提取S型细菌的蛋白质、多糖、DNA、脂质等,分别将其与R型细菌混合培养,证明了只有加入DNA 时,才可以实现R型细菌的转化.2.选D2、3、4三支试管内只有R型细菌,因为没有S型细菌的DNA,所以三支试管中的R型细菌都不会发生转化. 1号试管因为有S型细菌的DNA,所以会使R型细菌发生转化,但是发生转化的R型细菌只是一部分,故试管内仍然有R型细菌存在.3.D4.选D格里菲思实验只是肺炎双球菌转化实验中体内转化实验部分,实验的结论是被杀死的S型菌中含有“转化因子”,这种“转化因子”到底是什么,该实验并没有证明,而证明工作是由艾弗里来完成的.5.选D S型活细菌的各成分分开后,分别加入培养R型细菌的培养基中,只有DNA 使R型细菌转化为S型细菌,则证明DNA是遗传物质.6.选C用35S只能标记噬菌体的蛋白质外壳,噬菌体侵染细菌时,其蛋白质外壳留在细菌的细胞外,而搅拌的目的是使吸附在细菌细胞外的噬菌体及蛋白质外壳与细菌分离,离心是让上清液中析出噬菌体颗粒,沉淀物中留下被感染的大肠杆菌,因此,搅拌越充分,蛋白质外壳与细菌分离得越彻底,b中放射性越低,如果使蛋白质外壳与细菌彻底分离,则b中不含放射性. 上述实验并没有“示踪”DNA在遗传中的作用,因此不能证明DNA是遗传物质. b中理论上不含放射性,与①过程中培养时间的长短无关.7.(1)结构简单,只含有蛋白质和DNA(核酸)(2)用含32P和35S的培养基分别培养大肠杆菌,再用噬菌体分别侵染被32P和35S标记的大肠杆菌DNA和蛋白质的位置(3)使噬菌体和细菌分离较低DNA进入细菌,蛋白质没有进入细菌细菌没有裂解,没有子代噬菌体释放出来32P(4)DNA 8.解析:第(2)题是验证实验. 欲证明促进R型细菌转化的物质是DNA,可用DNA酶将S型细菌的DNA破坏,看其是否还能使R型细菌转化为S型细菌. 解答时可考虑以下几个方面:①设置对照实验,在实验组中加入提取的S型细菌的DNA;在对照组中,一组中不加任何提取物,另一组中加入提取的S型细菌的DNA和DNA酶. ②单一变量的控制,即只有培养细菌的培养基中是否加入S型细菌的DNA这一个实验变量,其余的变量(如接种的细菌种类、数量以及培养条件等)应基本相同.答案:(1)S型细菌中的“某种物质”(转化因子)能使R型细菌转化成S型细菌,而且这种转化是可遗传的(2)①第二步:A中不加任何提取物,B中加入提取的S型细菌的DNA,C中加入提取的S型细菌的DNA和DNA酶(顺序可变)第三步:在三组培养基上分别接种等量的R型细菌第四步:将接种后的培养装置放在适宜温度下培养一段时间后,观察菌落生长情况②结果预测:A中只有R型细菌菌落;B中出现R型细菌和S型细菌两种菌落;C中只有R型细菌菌落. 结论:S型细菌的DNA可以使R型细菌转化为S型细菌③DNA 只有在结构保持完整、未被破坏的前提下才具有促使R型细菌转化为S型细菌的功能课时跟踪检测(八)DNA分子的结构一、选择题1.下列关于沃森和克里克构建DNA双螺旋结构模型的叙述,错误的是()A.沃森和克里克构建DNA双螺旋结构模型是建立在DNA是以4种脱氧核苷酸为单位连接而成的长链,这4种脱氧核苷酸分别含有A、T、G、C 4种碱基的认知基础上的B.威尔金斯和富兰克林通过对DNA衍射图谱的有关数据进行分析,得出DNA分子呈。

高中英语人教版必修2课时跟踪检测(八) Word版含解析(精修版)

高中英语人教版必修2课时跟踪检测(八) Word版含解析(精修版)

人教版英语精品资料(精修版)课时跟踪检测(八) Learning about Language & Using Language Ⅰ.单句语法填空1.Because of being_bitten (bite) by a snake, he was rushed to hospital.2.Having_inspected (inspect) the troops, the two presidents had a close and friendly talk.3.Suddenly they noticed a house with two big trees standing in front of it.4.We don’t know when the river here came into being.5.It was not long before his dream came true.6.According to what he had done, we knew he was an experienced worker.Ⅱ.选词填空die out,come into being,in peace,in danger of,as a result1.You are in_danger_of catching a cold if you don’t take any medicine.2.The English of today is very different from the English of 500 years ago. In time, some words are even dying_out completely.3.People of different nationalities live in_peace in this country.4.He has been fond of reading since he was a little child. As_a_result,_he has a wide range of knowledge.5.Ever since human beings came_into_being,_we have never stopped the action to put our feet on each inch of land we can find.Ⅲ.完形填空Parents can be a great example for their children. A man always stands out on different corners of our city, __1__. I often don’t have much extra to __2__ him. __3__,many times my mom is with me and she always hands him some money, which makes me feel __4__.Last night, I was on my way to the store to get __5__ when I saw the man. My daughter and her friend were in the __6__. We all felt __7__ that this man was standing out in the cold, wet weather.Many people make comments (评论) that he should be able to __8__. I think he may not have an address to hunt for a job. Either way, I don’t feel it is my place to __9__. I decided to help this man, __10__ I wanted to show the girls the __11__ of helping others, and not __12__ whether they were really struggling or not. Since he is standing out on different corners all day and night, no matter what the __13__,he must really __14__ the help.So we left our car and gave him some money. The girls and I were still __15__ that he would be cold, standing out in this bad weather. So we got him a hot chocolate and a hot hamburger. He was very __16__ to us for our help.All of us left with smiles, __17__ me! Because, as we were __18__,the girls were planning ways they could __19__ money to help him and others like him.It was the __20__ trip I have ever made to get milk!语篇解读:作者通过帮助乞丐的故事告诉读者:父母应给孩子树立好的榜样。

高中英语课时跟踪练二含解析新人教必修50603242.doc

高中英语课时跟踪练二含解析新人教必修50603242.doc

课时跟踪练(二)Warming Up & Reading —Language Points一、全练语言点,基稳才能楼高Ⅰ.单词拼写1.With the teacher instructing (指导) them, the students have made great progress in English.2.I suggest that you should make friends with people having different characteristics (特征) or backgrounds.3.We are taking steps to prevent air from being polluted (污染).4.(2017·全国卷Ⅱ)Inventors have been trying to make flying cars since the 1930s, according to Robert Mann, an airline industry expert (专家).5.Mr. Wang is just one of the victims (受害者), from whose houses the thieves stole money and other valuables.6.(2016·全国卷Ⅲ)I often had crazy dreams in which I was to blame (责备) for Miller’s accident.7.One of the challenges (挑战) he has accepted is to swim across the river.8.(2017·江苏高考)Then they identified begging calls by analyzing (分析) the order and number of notes.9.The farmers in this area had a good harvest last year thanks to the scientific (科学的) farming.10.He is good at handling (操纵) the huge calculating machine.Ⅱ.单句改错1.When I said I ran faster than her, she challenged to me to a race. 去掉第一个to2.Please announce students that the holidays will begin next Monday.announce 后加to3.Always read the instruction on the bottle carefully and take the right amount of medicine.instruction→instructions4.He ran such quickly that we all couldn’t catch up with him.such→so5.Neither he nor his parents has seen the film.has→have6.I felt nervous for the first time I spoke in public. 去掉for7.Absorb in his experiment, Newton put his watch into the pot to cook it.Absorb→Absorbed8.She suspected him with telling lies and never trusted him again.with→ofⅢ.补全句子1.I drew_a_conclusion/concluded_from_the_facts_that he was hardworking.从这些事实中我得出他是努力的这一结论。

【人教版】高中英语必修2 全一册精品课时检测试卷(Word版,含答案)

【人教版】高中英语必修2  全一册精品课时检测试卷(Word版,含答案)

课时跟踪检测(一) Warming Up & Reading — Language Points Ⅰ.单句语法填空1.He is one of the luckiest survivors (survive) in that bus accident.2.I looked everywhere in search of my lost pen.3.It’s amazing (amaze) how quickly techno-logy changes.4.Who is the designer (design) of the CCTV building?5.People often decorate their houses with holly at Christmas.6.What can I do for you in return for your help?7.This is a rather old book, but it is worth reading (read).8.He broke his left leg, so he was taken to the hospital to have it examined (examine).9.I feel that that period in my life was extremely valuable (value).10.The time belonging (belong) to the children should be returned to them by the teachers.Ⅱ.完成句子1.There_is_no_doubt_that (毫无疑问) we human beings should be responsible for the earth’s becoming warmer and warmer.2.He could_have_escaped (本来可以逃走的), but he chose to stand and fight.3.The house still belongs_to (属于) a member of my family, who has lived there for 3 years.4.I bought him a present in_return_for_his_kindness (为了报答他的好心).5.I like the_way_(in_which/that)_the_teacher_gives_his_lessons (那位老师授课的方式).Ⅲ.阅读理解AThe Leshan Giant Buddha is a statue of Maitreya (弥勒大佛) in sitting posture.The Buddha is located in Sichuan Province, facing Min River, Qingyi River, and Dadu River. In December, 1996, the Buddha was included by UNESCO on the list of the World Heritage (世界文化遗产名录).The statue was begun in the year 713 in the Tang Dynasty, and finished in the year 803. The Buddha is 71 meters high. The eight-meter-long instep (脚背) is big enough for one hundred people to sit on and the 28-meter-wide shoulder is large enough to be a basketball playground.A monk called Hai Tong is connected with the Buddha forever. At that time, wild waters brought out many boat accidents and people just put the disaster down to the presence of a water spirit.So Hai Tong decided to make a statue beside the river thinking that the Buddha would bring the water spirit under control.After 20 years’begging from door to door, he finally collected enough money for the plan.When some local government officials tried to get this amount of money, Hai Tong said that they could get his eyeball but not the moneyraised for the Buddha. After he dug out his eyeball, these officials ran away scared. The project was half done when Hai Tong passed away, and two of his disciples (门徒) continued the work. After a total of 90 years’hard work, the project was finally completed.Having such a long history, the Buddha was nearly destroyed by the wind and rain.The Chinese government began the repairing work in 1963 under the instruction of experts from UNESCO.语篇解读:本文介绍了世界文化遗产之一的乐山大佛。

高考英语(人教版)课时跟踪检测:必修二 Unit2 The Olympic Games (Word版含答案)[ 高考]

高考英语(人教版)课时跟踪检测:必修二 Unit2 The Olympic Games (Word版含答案)[ 高考]

课时跟踪检测(七)The Olympic GamesⅠ.单项填空1.(2014·安徽省芜湖三校一模)—It is reported that he was sentenced to life in prison for economy crime.—Really?________ People would cheer for it.A.It all depends.B.So what?C.What's wrong? D.He deserves it.2.(2014·湖北宜昌三校高三联考)The secretary always acts as if she were ________ the company, which makes her colleagues very disgusted.A.in charge of B.in terms ofC.in honor of D.in favor of3.(2014·齐鲁名校高三联考)Usually, the organizing committee should have a ________ meeting every two weeks.A.common B.regularC.similar D.normal4.—He admitted ________ in the exam.—That's why he was not admitted ________ universities or colleges.A.to cheat; by B.cheating; toC.to cheat; to D.cheating; by5.(2014·甘肃金昌二中模拟)Hosting the 31st Olympics is ________ great honor and the Brazilians are working hard to make the games ________ success.A.a; 不填B.不填;aC.a; a D.不填;不填6.(2014·南昌第二中学高三检测)We must keep our room clean, for dirt and disease go________,you know.A.hand in hand B.step by stepC.from time to time D.one after another7.—Your iPhone is really cheap at that price.—Yes, it is a real ________.A.exchange B.businessC.trade D.bargain8.(2014·安徽芜湖一中模拟)—What do you think worries Lukas so much?—________.A.He broke his left legB.He has failed his maths examC.Lost his iPadD.What Jim said just now9.A new manager will come to take ________ charge of this company, which was in ________ charge of Mr. Wang.A.the; the B./; /C.the; / D./; the10.Robert has rich work experience, so it will ________ for his lack of academic knowledge.A.pick up B.take upC.bring up D.make up11.(2011·全国卷Ⅱ)Jane won't join us for dinner tonight and ______.A.neither won't Tom B.Tom won't eitherC.Tom will too D.so will Tom12.(2013·石家庄模拟)Mrs.Brown always told her children to be good, warning them to ________ trouble.A.live up to B.keep out ofC.put up with D.take part in13.(2014·合肥第三次教学质量检测)Privacy sometimes ________ be quite a problem when you're sharing space in a college dorm.A.can B.mustC.should D.shall14.(2011·湖北高考)Giving up my job to go back to full-time education was a big ________,but now I know it was the best decision I ever made.A.project B.commitmentC.competition D.ambition15.(2014·青岛高三一模)The shop assistant would sell the sweater for 100 yuan, but Susan would only ________ half the price and finally they made a deal.A.bargain B.offerC.supply D.chargeⅡ.阅读理解(2014·宿州市高三模拟)Every day for the last two weeks, Huang Huang, the dog, has repeated the same tragic (悲剧的) routine.Sniffing (嗅) from seat to seat, the lonely dog searches a bus in spite of the trouble yet in the hope of picking up his missing master's scent (气味). But his master never comes. In a heartbreaking refusal to face the truth that he has almost certainly been abandoned by his master, the loyal dog has returned to the same bus stop every day for the past 15 days. Every day he has waited patiently inline for the bus to arrive, boarded with other passengers and then searched the seats.Drivers say he spends ten hours every day searching any bus that passes. But finally, as night falls, he gives up and disappears into the darkness, only to return the next day to start again.According to bus staff interviewed by local paper, Huang Huang has appeared at the stop consistently (一贯地) for the past 15 days. “Every day I go to the stop five times, and every day that dog will jump on my bus to give it an inspection,” a conductor said. “At first I thought he was looking for food, but lat er I realized that he was looking for its owner.”And he's now become something of a local celebrity (名人) in the city after one person filmed his painstaking searches on a mobile phone and posted it online. His newfound fame will not be of a comfort to the lonely dog as his owner is yet to be found. A bookseller named Fung said he thought he had seen Huang Huang standing with his owner in the car park around a month ago.“We're worried that his owner might be looking for him and might come back to him,” Fung said. “Such a loyal dog ... Who would be willing to part with him? I can only hope that he quickly be reunited with his owner and won't have to wait here at the bus stop every day.”1.What is the main idea of the passage?A.The dog has been abandoned by his master.B.The dog jumps on the bus every day.C.The dog has become a local celebrity.D.Loyal dog searches for his missing owner.2.The dog boards a bus to ________.A.find food B.look for his ownerC.tour around the city D.become famous3.Which of the following statements is TRUE according to the text?A.The dog works hard every day to search for a master.B.A book seller perhaps saw the dog's owner.C.The fame the dog had got brought him a comfort.D.The dog failed to find his owner in the end.4.What is the people's feeling towards the homeless dog?A.Careless. B.Sympathetic.C.Disappointed. D.Pleased.Ⅲ.任务型读写(2014·淮北五校高三第四次联考)Most of us use the telephone several times a day to talk with friends or make social arrangements. These calls are usually quite easy and require little planning.Using the telephone for business purpose is different. In any organization the person on the telephone represents the company and gives an impression of the firm to the outside world.If you want to ensure good public relations, you need to master effective telephone techniques.You should try to give an impression of an efficient, friendly, progressive company eager to give good service.Before callingChoose the right time. Consider the cost, urgency and convenience. When calling overseas, you need to consider the time difference.Check the number. A great deal of money is wasted each year on dialing wrong numbers.Plan your call. Make a list of points and questions to be raised.Be prepared. Gather any files, papers or information that may be needed during the call. It is unprofessional to have to say “Hold on while I look for that.”If you have to ask a caller to hold on, keep going back and assuring him/her that you will be as quick as possible.Avoid interruptions. Call at a time when you are unlikely to be distracted (思想不集中的).During the callBe polite. Make time for suitable greetings like “How are you today, Jim?” and “Did you enjoy your holiday?”Put a smile in your voice. Remember, your caller can't see you, so use intonation to make a good effect and try to sound confident, decisive, helpful and interested.Check your notes. Look back at your notes to ensure that you have covered everything and quoted figures and other data correctly.Obtain feedback. Make sure the caller understands the message correctly, especially where deadlines and actions are involved.After the callMake notes. Let it become a habit to make notes of the call and place them in an appropriate file.Take action. If you need to send a letter of confirmation or inform someone in your organization about any details of the call, do some immediately so that you do not forget important points.答案Ⅰ.1.选D句意:“据报道他因为经济犯罪被判终身监禁。

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课时跟踪检测(九) Warming Up & Reading — Language Points Ⅰ.单句语法填空1.You may rely on it that he will come here to give us a hand.2.The couple attach much importance to the education of their children.3.He pretended to_be_studying (study) when his father stepped into his room.4.To_be (be) honest, I don’t think highly of the school bus security in China.5.After the foreign guests got familiar with the Chinese traditional festivals, they liked to live in China.6.These robots will be designed to look like people to make them more attractive (attract) and easier to sell.Ⅱ.完成句子1.To_be_honest/Honestly_speaking,_I don’t think this problem is difficult to solve.老实说,我认为这个问题不难解决。

2.I don’t know why he attaches_great_importance_to this research.我不知道他为什么认为这项研究十分重要。

3.My dream is to_become_an_astronaut.我的梦想是成为一名宇航员。

4.Always quarrelling led to their marriage breaking_up.一直争吵导致了他们的婚姻破裂。

5.Not having found a better way, we had to rely_on_him_to_make the design.由于没有找到更好的方法,我们不得不靠他来制作这个设计。

6.You are old enough to_earn_your_own_living.你足够大了,可以自己谋生了。

7.Because of the traffic jam, he has formed_the_habit_of starting out early.由于交通拥挤,他养成了早动身的习惯。

8.There were a lot of boys in the field (who_were)_playing_football.旷野里有许多男孩子在踢足球。

Ⅲ.阅读理解AWhat do you think of 80s pop music? Do the names George Michael, Madonna and Michael Jackson sound familiar? Well, these are just some of the names that were well-known in the music scene of the 80s and early 90s.The 80s pop music scene was an important step to the popularity (普及) of present-day music.A new wave in the music scene was introduced, which made such music styles as punk rock, rap music and the MTV popular.Although it was an end to the old 60s and 70s styles, it was also the beginning ofsomething big.The popularity of music videos meant that artists now replaced their guitar-based music with visual displays.A new wave of artists came on the scene and the entire industry developed quickly.The most famous 80s pop music video is Michael Jackson’s Thriller.Introduced in 1982, few people can forget the video not only because of its never-before-seen images, but also because of the popularity it received.Think too of how 80s pop music changed the lives of people who grew up in the 80s.Ask a young man today to tell you the names of the “New Kids on the Block” and he will start talking about the neighbor kids who just moved in.These are not the answers you might have heard in the 80s.Though today’s young men do not recognize how cool 80s pop music was, most people will always remember it for what it was and these are happy memories they will always love.Some of the 80s pop music legends (传奇人物) include Madonna, U2, AeroSmith and of course the King of Pop Michael Jackson.Let’s not forget Prince, Tina Turner, Phil Collins and Motown’s Lionel Ritchie.Some of these musicians played music that has stood the test of time.Undoubtedly, the 80s pop music scene will live on for many more years to come.语篇解读:20世纪80年代,庞克摇滚乐、说唱音乐和MTV纷纷涌入乐坛。

那些在80年代长大的人对此记忆犹新,他们的生活也深受影响。

1.What is the text mainly about?A.The characters of 80s pop music.B.The effects of 80s pop music.C.80s pop music’s steps to popularity.D.What made 80s pop music popular.解析:选D主旨大意题。

本文主要介绍了20世纪80年代的音乐流行的原因。

故选D 项。

2.80s pop music mainly includes the following styles EXCEPT ________.A.rap music B.the MTVC.guitar-based music D.punk rock解析:选C细节理解题。

从第一段的“A new wave in the music scene was introduced, which made such music styles as punk rock, rap music and the MTV popular”可知,八十年代出现的新的音乐形式有punk rock, rap music and the MTV。

再由“artists now replaced their guitar-based music with visual displays”可知选C项。

3.Michael Jackson’s Thriller impressed people so deeply mainly because ________.A.it was made into a music videoB.he sang it in a special styleC.it changed the lives of peopleD.it left people with happy memories解析:选A细节理解题。

从第二段的“Introduced in 1982, few people can forget the video not only because of its never-before-seen images”可知,因为MTV的引进,使得这首歌曲深入人心。

故选A项。

4.The purpose of the last paragraph is to tell rea-ders that ________.A.80s pop music is now out of dateB.80s pop music has many faultsC.80s pop music is and will remain popularD.we shouldn’t forget the great musicians of the 80s解析:选C段落大意题。

根据最后一段的“Undoubtedly, the 80s pop music scene will live on for many more years to come”可知,作者最后一段的写作目的在于告诉读者八十年代的音乐将依旧散发出它的光芒。

故选C项。

BRock and roll music developed in the United States in the early1950s. It was based on the music called rhythm and blues that wasperformed by African American musicians.Early rock and roll singers developed their own kinds of music.Elvis Presley, Chuck Berry, the Beach Boys, and Bob Dylan were themost popular rock and roll musicians in the early 1960s. All were American. Then, in 1964, a new rock and roll group from England invaded America: the Beatles.Some people say the Beatles’music shook America like an earthquake. The Beatles changed rock and roll forever. Their early songs were influenced by American rock and roll musicians, including Chuck Berry. But the Beatles looked different and sounded different from any musical group before them.The Beatles released their first album in the United States in 1964, when all of the top five records in America were by the Beatles. In 1967, they released an album called Sergeant Pepper’s Lonely Hearts Club Band. It was one of the first “concept” albums. That is, all the songs were linked by a common story or idea.The popularity of the Beatles led the way for more rock and roll bands from England to become popular in America. The Rolling Stones was the most important of these bands. The Rolling Stones is one of the few groups from the 1960s that is still performing and recording today. In 1965, the group recorded one of its most famous songs, Satisfaction.The musical instrument most linked to rock and roll is the guitar. Experts say Jimi Hendrix was one of the most influential guitar players in rock and roll during the late 1960s. His Purple Haze was liked by many people.By the 1970s, rock and roll music became known as rock music. It expanded into many new forms. For example, there was country rock, hard rock, acid rock, heavy metal rock, punk rock, jazz rock, and glitter rock.In the middle 1970s, experts say rock music regained some of the energy of early rock and roll. Bruce Springsteen and the E Street Band became popular with their album Born to Run. Springsteen’s music was like the lively rock and roll music of the early 1960s. Many of his songs were about social issues. He sang about the effects of unemployment and the war in Vietnam.语篇解读:本文主要讲述的是摇滚音乐的发展历史。

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