1、Unit 5 An Encounter with NatureLanguage Points1.One of the best things about this job is that you can observe them in their natural environment.这份工作的好处之一就是你可以在动物生活的自然环境中观察它们。observe v.to see or notice sb/sthobserve sb/sth do/doing sth注意到某人做了/正在做某事I looked up and observed a snake_(wind)its way up the
2、 tree to catch its breakfast.Useful expressionswinding2.As the worlds first national park,Yellowstone is famous for the variety of its wildlife.黄石国家公园作为世界上第一个国家公园以其种类繁多的野生动物而闻名。variety n.a type of thing,for example a plant or animal,that is different from the others in the same group.品种，种类variety n.
3、various adj.vary v.短语：a variety of各种各样的 varieties of各种各样的1）There is a wide _(various)of patterns to choose from.有各种各样的式样从中选择。2）He longed to live a _(vary)life.他渴望过着丰富多样的生活。varietyvarious3.While I was concentrating on photographing this amazing scene,I suddenly had a feeling that I was being watched.
4、当我全神贯注于拍下这一令人惊叹的景色时，我突然感觉有什么东西在看着我。concentrate v(give all your attention to sth and not think about anything else)集中（注意力）常用结构:concentrate on doing(sth)聚精会神做concentrate vconcentration n.4.Slowly,and with the camera still held to my eye,I turned and froze.我慢慢转过身，手里的相机还举在眼前，之后我呆住了。freeze v.(froze,froze
5、n)to become hard as a result of extreme cold or stop moving冻结;呆住freezing cold 极冷的 frozen adj.冷冻的，冻僵的On a _ cold night,the little girl wasalmost_ in a street corner.freezingfrozen5.With water falling off its thick,brown hair,the bear stared back at me.那只熊也在盯着我看，水从它浓密的棕色毛发上流下来。stare v.to look at sb/st
6、h for a long time盯着看 短语联想：stare at 盯着看 glare at 怒视 glance at 一瞥It is impolite for boys to _ at a girl and youd better _at her,or she may_ at you.stareglanceglare 6.When I recovered from the shock,I looked at my camera.从震惊中恢复过来以后，我看了一下我的相机1）recover v.to return to a normal state or to get well again 恢
7、复；康复 常用搭配：recover from从.中康复 recover v.recoveryn.2）shock n/v a strong feeling of surprise or surprise sb震惊 All the people present felt _ at the _ accident.shockedshockingshock n/v.shocked adj.感到震惊的shocking adj.令人震惊的1.注意某人正在做某事2.各种各样的3.聚精会神做4.极冷的 5.盯着看6.从.中康复 7.感到震惊的1.observe sb doing sth 2.a variety
8、of/varieties of3.concentrate on doing 4.freezing cold 5.stare at 6.recover from 7.shocked adj.Analyze some difficult sentences.1.,I suddenly had a feeling that I was being watched.我突然感觉有什么东西在看着我。That 引导同位语从句，一般放在某些名词（belief,fact,feeling,idea,promise等）后面，用来解释说明这些名词的内容，that在从句中不作任何成分，不能省略。地球正在变得越来越暖的事
9、实使很多科学家担心。（翻译划线部分）_makes scientists worried.The fact that the earth is becoming warmer and warmer2.It is after all we who are the visitors to their world.强调句型的构成是：It is(was)+被强调部分+that(who)+句子的其他成分。被强调的部分放在 It is(was)之后，其它部分置于that之后。被强调部分可以是主语，宾语，表语或状语。强调的主语如果是人，可以由who代替that。原句：Tom found my pen in t
10、he classroom yesterday.强调主语：It was Tom who/that found my pen in the classroom yesterday.强调宾语：It was my pen that Tom found in the classroom yesterday.强调地点状语：It was in the classroom that Tom found my pen yesterday.3.with the camera still held to my eyes withwater falling off its thick.with+复合结构”又称为“wi
11、th结构.with+名词+-ed 分词（强调名词是-ed分词动作的承受者或动作已经发生）All the afternoon he worked with the door _(lock)整个下午他都锁着门在房里工作。.with+名词+-ing分词（强调名词是-ing分词的动作的发出者或某动作正在进行）He fell asleep with the lamp _(burn）他没熄灯就睡着了。.with+名词+to do（不定式动作尚未发生）I cant go out with all these clothes _(wash)要洗这些衣服，我无法出去了。lockedburningto wash1
12、._（有很多工作要做），I couldnt go to see the doctor.2.John received an invitation to dinner,and with his work _(finish),he gladly accepted it.3.直到事故发生，我才意识到自己的粗心。（It was not until.that.）4.It was when she was about to go to bed _ the telephone rang.Small quizWith much work to dofinishedIt was not until the ac
13、cident happened that I realized my carelessness.that1.Have you got the meanings of some useful words and expressions in the passage?2.Have you mastered the key sentence structures?3.Can you use new words and expressions to make your own sentences?Self-evaluationSelf-evaluation Try to memorize the important expressions.HomeworkHomework
