1、Sentence Analysis 1.One of the most wonderful migrations in nature is that of the North American monarch butterfly.北美黑脉金斑蝶的迁徙是自然界最棒的迁徙之一北美黑脉金斑蝶的迁徙是自然界最棒的迁徙之一。本句中的本句中的“that”是代词，用来是代词，用来特指前面所提到的名词特指前面所提到的名词。that作代词时，作代词时，它所指代的名词可以是它所指代的名词可以是可数名词可数名词，也可以是，也可以是不可数名词不可数名词。这一用法可以让。这一用法可以让句子更加简洁，避免重复与累赘。句子
2、更加简洁，避免重复与累赘。将下列句子译为汉语。将下列句子译为汉语。1)I cant lend my bike to you,for Tom is using it.2)The population of China is larger than that of the UK.我的自行车不能借给你，因为我的自行车不能借给你，因为Tom在用在用。(it指上文中的指上文中的my bike，是同一个是同一个事物事物)中国的人口数量比英国多中国的人口数量比英国多。(that指上文中的指上文中的population，同类但不同物，同类但不同物)2.Somehow they manage to travel
3、 around 4,000 kilometres south(1)In spite of his disappointment,he managed a weak smile.(2)We managed to get to the airport in time.它们总是能够它们总是能够完成完成约约4000公里的南行旅程公里的南行旅程manage v.尽管他很失望，他还是尽管他很失望，他还是勉强露出勉强露出一丝淡淡的微笑。一丝淡淡的微笑。我们我们设法设法及时赶到了机场。及时赶到了机场。to succeed in doing sth.,especially sth.difficult 完成（困难
4、的事）；勉力完成完成（困难的事）；勉力完成manage to do sth.(=succeed in doing sth.)设法完成某事设法完成某事(1)manage to do 设法做成某事manage it 设法完成某事(2)manager n经理；管理者management n经营；管理即学即练单句语法填空/完成句子Did you manage (complete)your project on time as your leader had required?No,I tried to,but I failed.Your house is always so neathow do yo
5、u manage with three children?to completeitHenry hopes to find a job where his (manage)skills can be put to good use.You need to learn (利用你的时间)more effectively.managementto manage your time 3.These two pieces of informationthe time of day and the point where the sun is in the skyallow the butterfly t
6、o determine the way to go.这两条信息这两条信息一天中的时刻和太阳在空中的位置一天中的时刻和太阳在空中的位置让黑脉金斑蝶让黑脉金斑蝶确定它的路线。确定它的路线。Eventually,it manage to reach the places where it will spend the winter.最终最终，它成功到达了它要过冬的地方它成功到达了它要过冬的地方。In many of the places where the butterfly can be found,people are destroying the natural environmnet.在很多
7、可以找到黑脉金斑蝶的地方，人们正在破坏自然环境。在很多可以找到黑脉金斑蝶的地方，人们正在破坏自然环境。After the war,a new school was put up where there had once been a theatre.战后，一所新学校在曾经是剧院的地方建立起来。战后，一所新学校在曾经是剧院的地方建立起来。4.The solution to the mystery of the monarchs amazing ability comes at a time when it is in serious trouble.黑脉金斑蝶惊人能力的神秘面纱在它处于极度困境时
8、被揭开了黑脉金斑蝶惊人能力的神秘面纱在它处于极度困境时被揭开了。If this works,there may come a time when the number of monarch butterflies increases once again.如果这个做法起作用，黑脉金斑蝶的数量有望再次回升。如果这个做法起作用，黑脉金斑蝶的数量有望再次回升。The campus was still quiet when I arrived,so I decided to explore a bit.当我到学校时，校园里还是静悄悄的，我决定先去探寻一番。当我到学校时，校园里还是静悄悄的，我决定先去探
9、寻一番。5.Sadly,human activity is the main reason why the number of monarch butterflies is falling.可悲的是，人类的活动是黑脉金斑蝶数量急剧下降的主要原因可悲的是，人类的活动是黑脉金斑蝶数量急剧下降的主要原因。将下列句子补充完整。将下列句子补充完整。汤姆来迟到的原因是因为他生病了汤姆来迟到的原因是因为他生病了。Tom came late for the meeting.That was _ he was ill.The reason _ Tom came late was _ he was ill.bec
10、ausewhythat 6.They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.他们砍伐树木并且使用杀死黑脉金斑蝶幼虫吃的植物的化学剂他们砍伐树木并且使用杀死黑脉金斑蝶幼虫吃的植物的化学剂。本句中的两个本句中的两个that 均引导均引导定语从句定语从句。其中，第一个。其中，第一个that指代指代chemicals，在从句中作在从句中作主语主语；第二个；第二个that指代指代plants，在从句中作在从句中作eat的的宾语宾语，这时，这时that也也可省略可省略。7.Pe
11、ople have been working together to record its migration and make sure that there are enough plants for it to feed on.人们一直都在共同努力记录它的迁徙并且确保这儿有足够的植物供它采食人们一直都在共同努力记录它的迁徙并且确保这儿有足够的植物供它采食。本句中本句中to record its migration作作目的状语目的状语。that引导宾语从句，作引导宾语从句，作make sure的的宾语宾语，这时，这时that也可省略。也可省略。8.The more we know abou
12、t this lovely creature,the greater the chance it will survive and keep its place in the natural world for a long time to come.我们对这种可爱的生物了解的越多，它存活下来并在未来很长一段我们对这种可爱的生物了解的越多，它存活下来并在未来很长一段时间里在自然界保有地位的几率也就越大时间里在自然界保有地位的几率也就越大。句中的句中的 the more,the more 是固定搭配，结构为：是固定搭配，结构为：the+比较比较级，级，the+比较级比较级，译为：越，译为：越，越，越。比较级的其他常用结构：比较级的其他常用结构：单句语法填空/完成句子 Its believed that the harder you work,the (good)results you will get.你越小心，你犯的错就会越少。you are,you will make.betterThe more carefulthe fewer mistakes春天来了，天气越来越暖和了。It becomes when spring comes.鲍勃是两个男孩中较高的那个。Bob is .warmer and warmerthe taller of the two boys
