1、课题Unexplained Mysteries of the Natural World课时1 课时教学目标1.Revise words and phrases 2. Read and learn more about the text .3.Learn important language points .教学重点learn to use the words，phrases and sentences教学难点Deal with some important new language points.课堂导学Step I. Important words（高频单词）：1. attack vt.
2、进攻，袭击；抨击，责难；（努力地）着手干；（狼吞虎咽地）开始吃；侵袭，侵害。The enemy attacked our airport all night._He tried to attack the problem from different angles.他试着从各个角度来着手解决这个问题。【归纳拓展】attack n. 攻击（on/against ）；make an attack on/upon攻击/向进攻attack sb with sth 用打/攻击某人 attack sb for sth 因抨击某人 be attacked with(a disease)患（病）【活学活用】
3、After he became conscious，he remembered _ and _ on the head with a rod.（2006江西卷） A. to attack；hit B. to be attacked；to be hit C. attacking；be hit D. having been attacked；hit2.exist vi. 存在；生活，生存This plant exists only in Australia.这种植物只产于澳大利亚。没有食物和水我们无法生存。_【归纳拓展】exist in 在于 come into existence 开始存在，产生
4、，成立【特别提示】exist 没有被动语态，也不用于进行时态。【活学活用】很多人想知道火星(Mars)上是否有生命存在。_3. claim vt.（根据权利）要求，认领，声称，主张，索要Fishermen and sailors sometimes claim to have seen monsters in the sea.渔夫和水手有时声称看到过海里的妖怪。Have you claimed the insurance company for the damages?_【归纳拓展】 claim sth back要回,索回 claim for sth 要求；索要 claim to do/tha
5、t 声称 【活学活用】如果货物有损坏，你可以要求退钱._He _that he could finish the job without any help.A. claimed B.required C. demanded D. asked4.calm adj.平静的，镇定的The sky is blue,and the sea is calm. _【巧辩异同】 quiet,silent,still，calmquiet 表示“安静的”、“寂静的”。指物时，表示没有喧闹或没有骚动，处于一种静止的状态或宁静的环境；指人时，表示不发出声音或不发表意见，也可指人的性格温和、文静、不易激动等。如：玛丽是
6、个文静的姑娘。_Cant you keep the children quiet? 你能不能让孩子们静一静？silent 着重指沉默无语或没有声音，但不一定指没有动作或活动，如 a silent film 指无声电影，a silent machine 指没有噪音的机器，read silently 指默读，等等。再如：Why are you so silent? 你为什么沉默不语？Youd better keep silent about this._ still 主要指完全无声或完全无动作，通常用于物理上的静止，不表示心理上的平静。如：Please sit still while I take
7、 your photo. 我给你拍照时请别动。It was very late and the night was still. 天色已晚，夜很静。 calm 表示的“静”主要指天气、海洋等处于一种风平浪静的状态；若用于人，则指镇静或不慌张。如：After the storm it was calm. 暴风雨过后天气平静无风。It is important to keep calm in an emergency._ _5.sceptical adj. 怀疑的，不肯相信的be sceptical about/to 对表示怀疑Im sceptical of/about the teams cha
8、nces of winning.我不相信这支（球）队有机会赢。We are really sceptical about her motives(动机)._【活学活用】We are often told that life is always fair,but sometimes I_it.A.am sceptical of B.am sure of C.am delighted about D.am concerned about6. unlikely adj.不大可能会发生的；未必会发生的I met him at the most unlikely place.我在最意想不到的地方遇见了他
9、。他不大可能通过考试。_【归纳拓展】be (un)likely to do （不）可能做Eg Youre likely to catch a cold if you go out now._Its unlikely/likely that 不/有可能Eg Its likely that he will be late. = He is likely to be late.【巧辩异同】likely ，possible，probable likely表示经过权衡判断，从表面看颇有可能性，意思是“很可能的”；常用句型：sb./sth. be likely to do.或It be likely th
10、atpossible作“或许”解，有“也许如此，也许不如此”之意。强调客观上有可能性，但常常带有“实际可能性很小”的暗示。probable用来指有根据，合情理，值得相信的事物，带有“大概，很可能”的意味。语气比possible要重，是most likely之意。 be possible, be probable常用形式主语it，常用句型为： It is possible/probable + that （从句） It is possible /probable+ for sb. to do sth. 例如：【活学活用】It is _for him to pass the exam. I hav
11、e never seen him study.A. impossible B. unlikely C.not probably D.not perhapsLook,dark clouds are gathering.It is_to rain soon. A. probably B. possibly C.likely D.perhaps 7. adapt vt.使适应，使适合（to）；改编，改写for；改建，改造（for）vi适应（to），指“修改或改变以适应新条件”例句：He tried hard to adapt himself to the new conditions.他努力使自己适
12、应新的情况。 He has not yet adapted to the climate. 他还没适应这种气候。【特别提示】adapt to 短语中to 为介词，后接名词或动名词。 【归纳拓展】 adapt for使适合于；为改编，改写 adapt from根据改写，改编 adapt oneself to使自己适应或习惯于某事 adapt sth. to使某事物适应或适合【活学活用】This film was adapted_a novel written by Su Tong.A.to B.from C.for D.withWhen you go to a foreign country,y
13、ou must_yourself _new manners and customs.A. fit; for B.adapt; to C.adapt ; for D.suit; for8.For a creature that doesnt actually exist, thats quite something.对于一个实际上并不存在的生物来说，那实在是不同寻常的事。something 被视为有意义的事物，重要东西。Theres something in what she says. 她说的话有些道理。Its something to have a job at all these days
14、.这年头有一份工作就算不错了。something of 从某种程度（意义）上；多少有点【活学活用】Im _a photographer myself,you know.A. something like B.something of C.or something D.something else9.closely adv. 密切地，紧密地, 接近地, 严密地, 亲近地This problem is closely connected with that one._They are closely related. 他们是近亲。【巧辩异同】close ，closelyclose作副词的时候，意思
15、是“接近，靠近，紧挨地，不远地”，它表示一种具体的距离上的近（与near词义相近）。另外，close经常与to连用，构成词组be/stand close to,做形容词用时，意为“靠近的，接近的，亲密的，势均力敌的”，可作定语与表语。closely作副词时是指一种抽象的“近”也可引申为“亲密地；紧密地”等意思，经常与动词的过去分词如related，connected等连用。除此之外，closely还相当于carefully，意为“仔细得；密切地”如：你的句子中watch closely the short man（仔细看看那个矮个男人），这时就是一个抽象的“近”，就不能用close。They
16、sat close together._Good teaching and good testing are closely related. 出色的教学工作与完善的测试制度密切相关。【活学活用】 Hold the book_please,Icant see the words in it clearly.A. more closer B.more closely C.closely D.closer Stand_to me and watch_what I am doing. A. close;closely B.close ;close C. closely;close D.closely
17、;closelyStep II. Important Phrases（盘点短语）1.cover an area of意为“占有空间” Eg The town covers (an area of) 5 square miles. 【归纳拓展】 cover 的其他意思还有：vt _ The mountain is covered with snow all the year round. vt_The lecture covers many aspects of business. vt_I can cover the distance on foot in two hours.vt _The
18、reporters are covering the fire for a newspaper.be covered with被所遮盖【活学活用】 The wild flowers looked like a soft orange blanket _ the desert. （2006湖南卷） A. covering B. covered C. cover D. to cover2. die out （1）（动植物，物种）灭绝（2）（风俗习惯等）消失，绝迹 This kind of bird is dying out._【归纳拓展】die for 为了而死die of死于，因而死(内因) d
19、ie from 死于（外因）die off（民族，种族）相继死亡，（草木）先后枯死 be dying for渴望，很想要【巧辩异同】die out ； die offdie out 指（家族，物种等）死亡，灭绝，绝迹die off 指一一死去，先后死去。很多古老的习俗已经消失。_The leaves of the tree are dying off. 树上的叶子相继枯死。【活学活用】If strict measures are not taken to protect the dolphins in the sea,sooner or later they will_A. die out B
20、.die away C.die down D.die offe to the point 谈正题，谈主要问题Were now in a hurry, so come to the point. 我们现在很匆忙,你就直截了当说吧。【归纳拓展】beside /off the point 不切正题，无关紧要 to the point 切题，中肯be on the point of正要 when it comes/came to the point到了关键时刻，到该做决定时【活学活用】我正要睡觉，这时你打来了电话。_4.throw light on 阐明；使明白/清楚If you throw ligh
21、t on something you make it easier to understand._【活学活用】Let Mr Wang state his opinion on the question. I am sure he will_it.A. take part in B.throw light on C.give help to D.draw attention to5. due to因为，由于Her absence was due to the storm. 由于风雨交加她没来。 【归纳拓展】because of因为，由于得结果 owing to由于；因为 as a result
22、of因为，由于thanks to由于，因为；幸亏，多亏，（常位于句首）【活学活用】The shop has been closed down_poor management.A.because B.due to C. so as to D. thank for We started out for the harbor as planned,_the weather was fine.A.as B. because of C. thanks to D.due toStep III. Important sentences（精彩句式）1.Other members if the royal fa
23、mily were allowed to wear dragon symbols,too, but with fewer claws and of a different colour.皇室的其他成员可以穿带有龙标志的袍子，但是他们袍子上的龙爪子要少一些，而且颜色也不一样。of a different colour.构成“of+某些名词”的结构，在此处作定语，修士前面的dragon symbols。这一结构用法归纳如下：“of+某些名词”可用来描述人或事物的特征，该结构在句中可作表语或定语。The wine is of high quality. 这种酒质量很高of 与某些名词连用，意义上相当于以该名词为词根的形容词，这类名词常见的有：help，inportance，interest，use ,value, benefit等。The decision is of great importance.= The decision is very important. 这项决定很重要。The old books are of no use=The old books useless. 这些旧书没有什么用处。【活学活用】这药没效果。_这是一本没什么价值的书。_
