高二英语(选修六)unit4languag.ppt

Language Points,Unit 4 reading,1.matter 要紧、有关系，= be important It doesn’t matter if I miss the train because there’s another one in ten minutes. It is what you do rather than what you say that matters.,compare… to 也可用compare… with 用于比较不同事物. Their prices are low compared to those in other shops. 用法比较: compare A with B 把… …和 … …相比 Researchers compared living conditions in London with those in other cities. compare A to B 把… …比成 … …，比较两者的相似之处 Poets like to compare death to sleep.,Heading,pare,1)The town has changed a lot _____________ what it was before. 2) We often _________young people _____ the rising sun. 3) ________ this ____ that , and you’ll see which is better.,compared to/with,compare to,Compare with,How has this come about and does it matter? 2. 你能告诉我事情是怎样发生的吗？ 3. With the use of electricity, great changes have come about.,这是如何发生的，是否要紧?,Can you tell me how the accident came about?,随着电的使用，种种大变化发生了。

Heading,2. come about,Difficult Sentences,1.There is no doubt that the earth is becoming warmer but there is fierce debate over whether it is human activity that has caused this global warming or whether it is just a natural phenomenon.,毫无疑问地球在变暖，但究竟是人类活动使地球变暖还是它仅仅是一种自然现象，就此引发了激烈的争论There is no doubt…but there is fierce debate”是主句，是一个并列句； “There is no doubt”分句中的“that …”是同位语从句， “but there is fierce debate”分句中有两个由whether 引导的宾语从句作介词over的宾语，第一个宾语从句中又有一个强调句型.,Para1,常用结构：,There is no need… 没有必要… There is no question… 是没有问题的… There is no reason… 没有理由… There is no possibility that… 是没有可能的… There is no knowing/telling…没法知道/说… It is a/no wonder that …真奇怪/真令人吃惊… It is no use/good that… It is no use/good doing sth…,There is some doubt whether John will come on time.,约翰会不会准时来有些疑问。

她说了实话，这一点似乎是没有疑问There seems to be no doubt that she has told the truth.,____ was no ____ that he was a fine scholar. A. There; doubt B. It; doubt C. There; wonder D. It; question 2. ____ no knowing what he could do. He might get a job tomorrow. He might stay out of work for weeks. A. There is B. It is C. There was D. It was,,,Fossil fuel:矿物燃料 Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal,oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewed.,Para2,1.Some byproducts of this progress are called “greenhouse” gases, the most important one being carbon dioxide.,在这一过程中产生的许多副产品被叫做温室气体，最重要的是二氧化碳。

Para2,是一个独立主格结构，其基本结构是： 名词（代词）+ 现在分词/ 过去分词/不定式/ 形容词/ 副词,Difficult Sentences,2.This is when small amounts of gases in the atmosphere, like carbon dioxide, methane and water vapour, trap heat from the sun and therefore warm the earth.,这是当空气中的少量气体像二氧化碳、甲烷和水蒸气将太阳的热量保存住而散发不出去时，因此就使地球变暖Para2,when 引导表语从句,Difficult Sentences,3.quantity n.(u)数量 He prefers quantity to quality when food is concerned. 词义拓展 quantity n.(c )数量 Police found a large quantity of illegal drugs. Quantities of books were on the desk.,Para2,As a result of destroying the forest, a large ___ of desert ____ covered the land. number; has B. quantity; has C. number; have D. quantity; have 2) Every day large quantities of water ___ into rivers without being cleaned. is poured B. is pouring C. are poured D. are pouring,,,①可数名词和不可数名词均可修饰： lots of=a lot of, a quantity of =quantities of, a mass of =masses of, plenty of,②只修饰可数名词： many, a great/large number of = large numbers of, a good/great many, scores of, dozens of,③只修饰不可数名词： much, a great/large amount of= large amounts of, a great/good deal of,4.The increased amount of carbon dioxide means that more heat energy is trapped in the atmosphere causing the global temperature to go up.,二氧化碳量的增加意味着更多的热能滞留在大气中，结果造成地球温度的上升。

主句是 “The increased amount of carbon dioxide means”; that 引导的是宾语从句，其中的分词短语 “causing the global temperature to go up”作结果状语Difficult Sentences,Para2,the amount of +不可数名词 the number of +可数名词,What are you going to do with the amount of money?,Para3,常 以v-ing form 作结果状语的词有: make, reach, leave……. The song “Notebook” is sung throughout the country,making it the most popular song.,他父亲死 了,什么也没留下给他们.,His father died, leaving nothing to them,Para3,result in 产生，导致（lead to, cause sth to happen) result from 由…引起，产生( lie in, occur as a result of/because of ),The accident resulted _______ the driver’s carelessness, which resulted ______ the death of two passengers.,from,in,,The experiment _____ the discovery of a cure for cancer. A. resulted in B. lead to C. resulted from D. was caused by 2. He slipped and broke his leg. ______, he will have to be away from school for two or three months. A. Resulting in B. With the result that C. As a result D. The result is that,,,同义表达,His sickness was caused by eating too much. His sickness _______ ______ eati。