人教新课标 高二unit20 细说教材 |
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中学英语教学资源网 → 英语教案 → 教学设计 手机版 | ||||
Warming up What kind of entertainment did they have? 他们有什么样的娱乐(活动)? 点拨:entertainment作为名词,有以下含义: 1.表示“娱乐,游艺,技术表演”。 e.g.Jenny is interested in the news of entertainment. 詹妮对娱乐新闻感兴趣。 2.表示“招待,款待”。 e.g.1.This hotel is famous for its entertainment. 这家旅馆因为殷勤待客而出名。 e.g.2.He gives numerous entertainments to his friends. 他常常宴请很多客人。 entertainment tax娱乐税 entertainment的动词形式是entertain,它作为及物动词,表示以下含义: 1.使娱乐,助兴 e.g.We were all entertained by his tricks. 大家对他的把戏都很感兴趣。 2.款待,招待 e.g.He plans to entertain his friends to dinner. 他计划设晚宴招待他的朋友们。 3.心存,考虑 e.g.1.to entertain an idea/to entertain a hope 怀有一个主意/怀有一个希望 e.g.2.I refused to entertain such a foolish idea. 我拒绝考虑这样愚蠢的主意。 entertain作为不及物动词,表示的意思是“招待客人”。 e.g.She loves to talk,dance and entertain. 她喜欢说话,跳舞和招待客人。 entertainer作名词,含义是“招待人,款待人;表演娱乐的人”。 entertaining 是形容词,意思是“娱乐的,有趣的”。 e.g.We spent an entertaining evening at the theatre. 我们在这家剧院度过了一个有趣的夜晚。 entertainingly 是副词。 Where were they unearthed and where can you go and see them? 它们是在哪儿出土的以及你在哪儿可以参观到这些出土文物? 点拨:unearth 作为动词的含义主要有以下几种: 1.表示“发掘”的意思。 e.g.They unearthed a buried city. 他们发掘了一座埋在地下的城市。 2.表示“破获”的含义 to unearth a plot 揭穿一个阴谋 3.还可以表示“发现”等含义。 e.g.The historian has unearthed some new facts about Napoleon’s life. 那位历史学家已经发现了有关拿破仑一生的新的事实。 unearth 由un-加上名词 earth构成,类似的词语主要有以下几个。 unhand 意思是“放手,松手”。 e.g.Please unhand me! 别拉着我。 unglove 的含义是“脱下的手套”。 e.g.Her hand,when ungloved,glitters with heavy rings. 她脱下手套的时候,许多戒指在她手上闪烁。 unhair 的意思是“拔掉头发”。 unmask 的意思是“揭除面具或者伪装”。 unglue 的意思是“取掉(粘着之物),剥”。 e.g.1.to unglue a stamp from an envelope by steaming 借着蒸气来取掉信封上的邮票 e.g.2.to unglue the children from a TV set 使孩子们离开电视机 Speaking Student A talks about a topic he or she is interested in,while Student B gives suggestions. 学生A谈论他(或她)感兴趣的话题,学生B给出建议。 点拨:suggest作为动词,其意思主要是“建议,提出(建议)”和“表明,说明,暗示”等。 1.后面跟名词或者是代词 e.g.1.I suggested one or two books which they might read. 我提出一两本他们可以看的书。 e.g.2.I will come any time you suggest. 你说什么时候来,我就什么时候来。 2.后面跟从句,在从句中的谓语动词用原形,也可以由should加动词原形构成。 e.g.1.They suggested we visit a class right away. 他们建议我们马上去听课。 e.g.2.He suggested that we (should) come another day. 他建议我们改天再来。 e.g.3.It is suggested that we put on a short play. 有人建议我们在晚会上演出一个短剧。 3.后面跟动名词 e.g.1.I should suggest putting the meeting off. 我建议会议延期。 e.g.2.We have much to do.I don’t suggest going away. 我们有这么多的事情要做,我建议别走了。 e.g.3.I have written him a letter and suggested his sending it to the Ministry of Culture. 我给他写了一封信,建议他把它寄给文化部。 4.当它表达“说明,表明”和“暗示”等含义的时候,常常与从句连用。 e.g.1.Her expression suggested that she was angry. 她的表情表明她正在生气。 e.g.2.The work had been only on a small scale but it suggested a solution. 这项工程只是小规模进行,但是表明了一个解决的方法。 考考你: I think it’s better for her to follow her suggestion that he to see the doctor as soon as possible. A.went B.go C.goes D.going 答案:B What I’d really like to find out is whether people would sometimes want to go on a holiday,as we do. That sort of thing. 我真正想发现的是人们是否有时候会和我们一样想去度假那一类事情。 点拨:表语从句放在连系动词的后面,充当复合句的表语,一般的结构是:主语+连系动词+表语从句。可以连接表语从句的连系动词有:be,seem,look,appear,sound,taste,feel,remain等。引导表语从句的词主要有that,whether,连接代词和连接副词。另外,还有常用的“as if”和“as though”等结构。 e.g.1.It seems that (as if) it is going to rain. 看来要下雨了。 e.g.2.The question remains whether we can win the majority of the people. 问题是我们能否赢得大多数人的支持。 e.g.3.This is how Jane lives. 珍妮就是这样生活的。 e.g.4.That is why Jack got scolded. 这就是杰克受训斥的原因。 e.g.5.The reason why (that) he was dismissed is that he was careless and irresponsible. 他被开除的原因是工作马虎,不负责任。 e.g.6.The reason he did not come is that he was ill. 他没来的原因是他病了。 考考你: 1.Is this museum they visited last week? 2.Is this the museum they visited last week? 3.Is this farm you used to work? A.where B.that C.in which D.the one 答案:1.D 2.B 3.A 句1,句2是定语从句。句1中的the one是先行词,后面省略了关系代词that;句2中的关系代词that在定语从句中作visited的宾语,此句还可以用which或者是省略关系代词。句3中的where引导的是一个表语从句。 点拨:as在这里是连词,引导一个方式状语从句。 请看以下由as 引导的方式状语从句的例子: e.g.1.You’d better do as I did. 你最好按照我做的去做。 e.g.2.As what she said before,it was really difficult to persuade him to go with us. 正如她过去所说的,说服他和我们一块走是一件很困难的事情。 作为连词,as还可以引导时间状语从句。 e.g.1.Twelve days later,millions more Indians lined the railway tracks as a slow train took the jar containing his ashes 584 kilometers to a place by the river. 十二天后,当一列慢车将盛有甘地骨灰的坛子驶向584千米外,靠近恒河的一个地方时,又有数百万人排列在铁路两旁,夹道送行。 e.g.2.Three million people watched as the ashes of this great man were gently poured into the brown waters of the river that would carry them to the ocean. 还有300万人守望着这位伟人的骨灰缓缓撒入褐色的恒河,河水把他的骨灰送向大海。 辨析:as,when 和while 这三个连词都可以连接时间状语从句,但有差别:如果主句和从句的时间相同,以选用as较宜,表示随着……;而when只有一般时间意义,还可以表示at that time的含义;while是个连词,它所表达的时间通常是指整个一段时间或过程,相当于during which time的用法。从句中常常使用进行时,还可以表示主从句的对比。 e.g.2.As one grows older,one becomes more experienced. 人长大了,经验就更丰富了。 e.g.3.When one man is in difficulty,the thousands come to his aid. 一人有难众人帮。 e.g.4.The weather was fine while we were in Shanghai. 我们在上海的日子里,天气晴朗。 e.g.5.We were watching TV while they were playing chess. 我们在看电视,而他们在下棋。 作为连词,as还可以引导比较状语从句,表示以下含义。 1.表示“(用于比较)与……一样”的意思。 e.g.1.She works in the same building as my sister. 她和我的妹妹在同一栋大楼上班。 e.g.2.This is the same as it was before.这个与以前一样。 2.表示“诸如”的意思。 e.g.such animals as cats and dogs 诸如猫、狗之类的动物 作为连词,as还可以引导原因状语从句。 e.g.As the weather is fine,let’s go fishing. 既然天气变得好起来了,咱们去钓鱼吧。 辨析:because,since,as 和for because,since,as引导原因状语从句: because 引导的从句表示直接的、根本的原因,用来回答why 提出的问题,为全句重心所在。since引导的从句表示显然的或已知的理由、原因,相当于汉语的“既然”。主句是全句意思的重心,从句次之。as 引导原因状语从句,与since没多大区别。它们引导的原因状语从句,其原因已很明显,不必加以强调。由as表示的原因,语气最弱,往往译成汉语的“由于”。 for 是个并列连词,引导并列句,是对前句内容的补充说明。 as还可以用作关系代词,其含义是“正如”请看以下例子。 e.g.As you know,we have the right to vote.正如你知道的,我们有权选举。 辨析:as和which 首先,这两个词意义不同。前者表示正如,后者没有意义,只起连接作用。 其次,前者构成的从句既可以前置又可以后置,而由后者构成的从句则只能后置,不能前置。 再次,当从句中有the same,such,so 时,只能用as。 比较:It is no use arguing with them,as we all see.和他们争论是没有用的,正如我们所看到的。(既可后置) As we all see,it is no use arguing with them.(又可前置)正如我们都看到的,和他们争论是没有用的。 It is no use arguing with them,which we all see. 我们都看到了,和他们争论是没有用的。(只能后置) as还可以用作介词,其含义是“作为”。指处于某种状态、性质、情况、工作等之中。请看以下例子。 e.g.1.He works as a driver.他以开汽车为业。 e.g.2.The kitten uses that box as a bed.小猫把那盒子当作床。 辨析:as和like 当作介词的时候,as只用于以下情况: 1.用作“作为”讲的时候。 2.用来举例,比如用来代替for example的时候; 3.用来引导某些动词,如:look upon,regard,consider,treat,think of等的宾语的补语的时候。 e.g.1.As a writer,he has no equal.作为一个作家,他是首屈一指的。 e.g.2.Languages(such)as English,German,Dutch belong to the same family. 像英语、德语、荷兰语等语言都属于同一个语系。 e.g.3.The teacher considered your son as being too small. 老师认为你的儿子太小了。 比较:The prisoner was hanged like a murderer.这个囚徒像杀人犯那样被处以绞刑(=…as if he were a murderer)。 e.g.4.The prisoner was hanged as a murderer.这个犯人作为杀人犯被处以绞刑。(这个犯人就是杀人犯) 考考你: 1.I didn’t feel just you. A.as B.like C.such D.so 2. a teacher,I have to set a good example for my students. A.Like B.Be C.As D.Have 3.It must have rained yesterday the ground is wet. A.as B.since C.because D.for 答案:1.A 2.C 3.D Reading He was buried on his left side with his face to the north. 被埋葬时,他侧身向左,脸朝北。 点拨:with his face to the north是一个with的复合结构,它由with+名词 his face+介词短语to the north 构成。with的复合结构的构成是with+名词+现在分词(或者是过去分词、介词短语、形容词以及副词等)。其中,现在分词(或者是过去分词、介词短语、形容词以及副词等)与名词有密切的关系,表示动作或者是情况,是宾语的补足语。这种复合结构在句子中作定语或者是状语。当它作状语的时候,可以表示伴随情况或者是原因。 with的复合结构作定语: e.g.1.My aunt lives in the room with the window facing south. 我姑妈住在那间窗户朝南开的房间。 e.g.2.The woman with a baby in her arms is his sister. 怀里抱着婴儿的那位妇女是他的姐姐。 e.g.3.A little boy with two of his teeth missing ran into the house. 一个缺两颗门牙的小男孩跑进屋里。 e.g.4.I live in the house with the lights on. 我住在那座亮着灯的房子里。 with的复合结构作状语: e.g.1.The thief was brought to the front with his hands tied. 那个小偷手被绑在后面,被带到前面。 e.g.2.With their homework finished,the children ran out for a swim. 作业做完后,孩子们跑出去游泳了。 e.g.3.You should read with the radio off. 你看书的时候,应该把收音机关掉。 考考你: I like to do some reading in my little study . A.with the window close B.with the window closed C.have the window close D.have the window closed 答案:B From tests on his teeth,it is certain that he spent his childhood in central Europe,perhaps Germany. 根据对其牙齿的测试,很肯定的是他的少儿时期是在中欧度过的,很可能是德国。 点拨:本句中出现了一个含有it的主语从句。在含有it的主语从句中,it是形式主语,that后面的从句是真正的主语。其结构为:It+is+形容词/过去分词+that从句。that不能够省略。 e.g.1.It’s said that he had been dismissed.据说他已经被解雇了。 e.g.2.It’s believed that they can finish the task ahead of time. 人们相信他们能够提前完成这项任务。 e.g.3.It is clear/obvious that he doesn’t like to be laughed at. 很明显他不喜欢被别人嘲笑。 比较: 1. is well known to us all,the earth goes around the sun. 2. is well known to us all that the earth goes around the sun. A.That B.As C.It D.Which 答案:1.B 2.C 句1是由as引导的非限制性定语从句,代替后面的整个句子。 句2是it引导的主语从句。it是形式主语,真正的主语是that引导的从句。 Some of the objects found in the grave give us an idea of how he was dressed when he was buried. 墓穴里发现的部分物品让我们对于他当时的穿着有了一个了解。 点拨:.dress作为及物动词,后面只能够接人或者是反身代词,而不能接物或者是衣服作为宾语。 e.g.1.Today when I got home,I was excited to find that my little nephew could dress himself. 今天当我回到家的时候,我惊喜地发现小外甥自己能够穿衣服了。 e.g.2.To be a baby-sitter,you should be very patient to dress the babies every day. 作为一个保姆,要有耐心每天给孩子穿衣服。 2.be dressed in后面可以接具体的衣服或者是表示颜色的词,表示穿……样的/颜色的衣服。 e.g.1.Today she is dressed in red,which is quite unusual. 今天她穿红色的衣服,真是太不寻常了。 e.g.2.She is always dressed in brown.Do you think it is her favorite colour? 她总是穿棕色的衣服。你认为棕色是她最喜欢的颜色吗? 考考你: Do you know the man in the blue shirt?He is the new principal. A.dressing B.to dress C.dressed D.dress 答案:C 辨析:在英语中,表示穿戴的词和词组还有以下几个: 1.wear可以接任何穿或者是戴的东西作为宾语,如衣服,手套,首饰等等。而且,wear常常用来表示穿着的状态。 e.g.1.She likes to wear a diamond ring,which is the gift from her boy friend. 她喜欢戴一只钻石戒指,那是她男朋友送给她的礼物。 e.g.2.The watch I used to wear is out of order. 我常戴的那只手表坏了。 2.put on 强调穿的动作。 e.g.1.He put on his hat and left without any word. 他戴上帽子,二话没说就走了。 e.g.2.Please put on the overcoat.It is very cold outside. 请把这件外套穿上,外面非常冷。 3.pull on 和put on的用法差不多,但是,pull on多指含有拉,拽的动作,如“穿袜子,戴手套”等等。 e.g.She found a hole in it when she pulled on her stockings. 她穿长统袜的时候发现上面有一个洞。 4.have on 表示穿着的状态。 Close to his head were two pots made of clay,tools and materials to make arrows,a bow and arrows for hunting and a second,smaller copper knife. 靠近他的头部有两个由黏土制成的罐,还有造箭所需要用的工具和材料,以及用于打猎的弓和箭,还另有一个铜制的较小的刀子。 点拨:本句是倒装句。正常的语序应该是:Two pots made of clay,tools and materials to make arrows,a bow and arrows for hunting and a second,smaller copper knife were close to his head.类似的倒装句还有: e.g.1.On the shelf are two piles of books,heavy and old. 架子上有两堆书,又旧又重。 e.g.2.In front of the river lies a beautiful house with a small garden at the back. 河的前面是一座美丽的房子,房子后面有一个小花园。 e.g.3.Next to me sat Professor Lee,an expert on chemistry. 在我旁边坐着的是李教授,他是一位化学专家。 要注意,在这种倒装句中,谓语在人称和数上要和介词短语后面真正的主语保持一致。 e.g.1.Near my school are many small shops,including a book store. 我们学校附近有很多商店,其中有一个书店。 e.g.2.Here comes the bus. 汽车来了。 The biggest stones weigh 20 tons and came from a place not very far. 最大的石头重约20吨,它们来自于一个不远的地方。 点拨:weigh作为动词,主要表达以下几种含义: 1.表示“称(重量)”。 e.g.1.Let me weigh it.It’s quite a bit overweight. 让我来称称它。超重还不少呢。 e.g.2.The goods were carefully weighed at the time of shipment. 货物在装运的时候都是仔细称过的。 2.表示“某物有(多少)重量”。 e.g.1.A giant panda can weigh as much as 150 kilos when fully grown. 一只大熊猫长大了,重量可以达到150千克。 e.g.2.Some of the fish already weigh ten kilograms. 这些鱼有的已经有10千克重了。 3.表示“压(在上面)”的含义。 e.g.1.The matter weighed heavily on my mind. 这件事情沉重地压在我的心上。 e.g.2.The decision has been weighing on my mind all the week. 这项决定整整一个星期都压在我的心上。 4.意思是“考虑”。 e.g.1.All the difficulties and risks had to be carefully weighed. 所有的困难和风险都要仔细考虑。 e.g.2.They weighed the matter seriously. 他们认真考虑了这件事情。 It is possible that the King of Stonehenge was linked to the stones: he may have had a hand in planning the monument,or in helping transport and pull up the stones. 巨石阵之王很有可能和石头有联系:他可能参与过巨石阵的设计,或者帮助过巨石的运输。 点拨:在英语中,may,might,can,could和must几个情态动词都可以用来表示对事情的猜测。must的意思是“肯定,一定”,语气很有把握。may,might,和could的意思是“可能,也许”,语气把握性不大。can的意思是“肯定,也许”,常常用在否定句和疑问句中。这几个情态动词用于表示猜测的时候,其后面可以跟三种不同的动词形式。 1.跟动词原形表示对现在事情的猜测。 2.跟表示对现在正在发生的事情的猜测。 3.跟表示对已经发生的事情的猜测。 e.g.1.You are Jack’s best friend.You must know where he is. 你是杰克最好的朋友,你一定知道他在哪儿。 e.g.2.Can you hear the loud voice?They must be quarrelling. 你能听到那声音吗?他们在吵架。 e.g.3.If you had come earlier,you might have been told the good news. 你早来一会儿,就会听到那条好消息了。 e.g.4.There is no light in the room.They might have gone out for a walk. 屋里没开灯,他们可能出去散步啦。 考考你: 1.Jack yet,otherwise he would have telephoned me. A.mustn’t have arrived B.shouldn’t have arrived C.can’t have arrived D.need not have arrived 2.—I stayed at a hotel while in New York. —Oh,did you?You with Barbara. A.could have stayed B.could stay C.would stay D.must have stayed 3.—There were already five people in the car,but they managed to take me as well. —It a comfortable journey. A.can’t be B.shouldn’t be C.mustn’t be D.couldn’t have been 答案:1.C 2.A 3.D At first it was thought that it was through war and armed conflict,but it is now believed to have happened through trade and cultural links. 起先人们认为这些金属工具是在战争或武力冲突中产生的,但是现在确信是在贸易和文化交流中产生的。 点拨:1.through指从内部通过。 e.g.1.The thief came in through the window. 小偷从窗户进来。 e.g.2.The troops marched through the town. 军队从城中走过。 e.g.3.Fish swim through the water. 鱼游于水中。 e.g.4.The men cut a tunnel through the mountain. 那些人穿山凿了一条隧道。 2.表示“遍及,经历”的意思。 e.g.1.He traveled through Europe. 他游遍欧洲。 e.g.2.Other birds and animals stay with you,but you will not see all the animals all through the winter. 另一些飞禽和动物留下来了,但是整个冬天你不会看到所有的这些动物。 3.表示“由于,因为”的含义。 e.g.1.It was all through your being late that we lost the train. 我们没有赶上火车,完全是因为你来晚了。 e.g.2.It happened,through no fault of mine. 这件事情之所以发生,并非是我的过错。 4.表示“藉,由”的含义。 e.g.1.He became rich through hard work.凭着努力的工作,他致富了。 e.g.2.I obtained my position through a friend. 我靠一位朋友的帮忙而得到了这份工作。 5.表示“从头到尾” e.g.1.He worked from dawn through the day and into the night. 他从天亮一直工作到晚上。 e.g.2.He read through the novel carefully. 他细心地读完了这本小说。 e.g.3.The rain lasted through the night.雨下了一夜。 比较:through和across的用法 through和across都作“穿过”讲,across指的是从一个空间内的一端到另一端或者是成十字交叉而过。through着重指从物体的中间或者是空间穿过。 e.g.1.Last week,we started our trip across this country. 上个星期,我们开始了横跨这个国家的旅行。 e.g.2.We can’t travel through the forest by road,because there aren’t any roads. 我们不能从陆路穿越森林,因为那里根本无路可走。 考考你: 1.The boy is so good at swimming that he can swim the sea. 2.He walked the forest and disappeared into the valley. 答案:1.across 2.through Integrating skills Since then, archaeologists have found more than a thousand cultural relics,including gold,jade,bronze and stone objects as well as nearly a ton of ivory that must have belonged to at least 500 elephants. 从那时起,考古学家发现了一千多件遗物,包括金子、翡翠、青铜、石器和近一吨的象牙,这些象牙至少来自500头大象。 点拨:include是动词,其含义是“包括”。 e.g.1.You’ll find the plan include most of suggestions. 你会发现这个计划当中包括了大部分的建议。 e.g.2.We watched a performance which included a puppet show and acrobatics. 我们观赏了一场表演,表演包括木偶戏和杂技。 常用现在分词including引起一个短语,也可以用过去分词included,但是,included要置于修饰词的后面。 e.g.1.The city has dozens of factories,including a cement works and a textile will. 这个城市有很多工厂,包括水泥厂和纺织厂。 e.g.2.Everyone had something to say,me included. 每个人都有话要说,包括我。 考考你: All of the class went to visit the factory,the twins . A.including B.include C.included D.includes 答案:C For example,a gold mask and a bronze statue of a man remind visitors of the bronze masks and big bronze statues at Sanxingdui because of their similar style. 例如,人的金面具和青铜雕像使游览者们想起了三星堆的青铜面罩和大青铜雕像,因为它们的样式很相似。 点拨:remind作为动词,表示以下几个意思: 1.表示“使想起”,常常跟of引起的句子。 e.g.1.What he had done reminded me of the days when I was in the army. 他所做的一切使我想起了我在部队的那些日子。 e.g.2.Thanks for your gift—it will always remind me of you. 非常感谢你的礼物——它会使我经常想起你。 表示“使想起”的含义的时候,也可以跟从句。 e.g.1.They reminded me that they had promised to buy me a car. 他们使我想到,他们许诺过给我买车。 e.g.2.His words reminded me that she had finished her schooling and would soon come back home from abroad. 他的话使我想起来,她已经完成了学业,即将从国外回来。 2.表示“提醒”的意思,跟带不定式的复合结构;也可以跟about或者of引起的短语。 e.g.1.We write to remind you to send us your samples. 我们来信是为了提醒你们给我们把货样寄过来。 e.g.2.Be sure to remind her to come back early. 你一定要提醒她早回来。 e.g.3.We must send a letter to remind him of the deadline of the task. 我们必须写信提醒他任务的期限。 The Sanxingdui Ruins Site covers 12 square kilometers. 三星堆遗址占地面积大约12平方千米。 点拨:cover作为动词,有很多含义。 1.表示“覆盖,铺盖”。 e.g.1.He covered himself with a blanket. 他给自己盖上一床毯子。 e.g.2.A rather cold north west airstream will cover our province. 一股偏冷的西北气流将覆盖我省。 e.g.3.When he returned,his body was covered with bruises. 他回来的时候全身都是伤痕。 2.表示“走完(一段路程),看完(若干页书),够付(费用)”。 e.g.1.They covered the distance to the place at a run. 他们一路小跑,赶到了那个地方。 e.g.2.Here is ten dollars;the extra will cover the bus fares. 这儿是10元钱,多余的可以用作坐公共汽车费用。 3.表示“涉及,谈到”的意思。 e.g.1.What are the chief points you are to cover in your talk? 你的报告主要有哪些内容? e.g.2.The discussion covered a wide range of subjects. 这项决定涉及到很多别的问题。 4.意思是“有(多少面积),包括(多大的范围)”。 e.g.1.The city covers ten square miles. 这座城市的面积是10平方英里。 e.g.2.His burnt area covered 70 per cent of his body surface. 他全身的烧伤面积达到了70%。 5.表示“掩护”。 e.g.He ordered us to cover the other people’s withdrawal. 他下令让我们掩护其他人撤退。 6.表示“采访,报道”。 e.g.They sent a large number of reporters to cover the conference. 他们派遣了大量的记者去报道大会的消息。 考考你: Our new school almost 54 square miles,making it the largest school in the province. A.lies B.stands C.has D.covers 答案:D Writing 写作指导: 中国有着悠久的历史。文化遗迹和重要的考古文物遍及各地。画一张流程图,表明发现地下宝藏时你应该做的和不应该做的事情。 建议:1.绘制一张流程图,弄清在一个完整过程中所必须采取的步骤和决定。 2.绘图之前,标出所有的步骤和决定。 3.确定所要采取的步骤和决定的顺序。 4.用不同的形状表示不同的活动。例如:用三角形表示决定,用长方形表示正在进行的事,用菱形表示人的帮助。 5.用箭头表示流程方向。 6.检查遗漏的步骤。 Grammar 复习代词“it”的用法 It的用法主要有以下一些: 1.作无人称动词的主语,表示时间、气候、距离、状态等。 e.g.1.It’s ten o’clock. 现在十点钟了。 e.g.2.It is twenty miles to London. 到伦敦有二十英里。 e.g.3.She couldn’t stand it. 她真是无法忍受。 2.指代前面出现的事物或者是现象。 e.g.1.Where is my book?Have you seen it? 我的书在哪儿?你看见我的书了吗? e.g.2.He pretended to study,for he thought it would please his mother. 他假装读书,因为他认为那样做可以取悦他的母亲。 3.在特殊情况下指代人。 e.g.1.She got a baby and it was ten-pound. 她生了个十磅重的婴儿. e.g.2.A tall man stood up and shook hands with her.It was the general manager. 一个高个子男子站了起来同她握手,他就是总经理。 4.可以用作形式主语。 e.g.1.It is certain that we shall succeed. 我们一定会成功的。 e.g.2.It is necessary for older people to understand what the young think and feel. 年长的人有必要了解年轻人在想些什么,他们有什么感觉。 5.用作形式宾语。 e.g.1.You’ll find it difficult to learn Japanese. 你将发现日语很难学。 e.g.2.I make it a rule to take a walk in the morning. 我规定自己每天早上散步。 6.用于强调句型。 e.g.1.It is I who am fortunate. 幸运的是我。 e.g.2.It was three weeks later that he learnt the news. 三个星期以后他得知了这个消息。 |
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