1、click on“Online Exercises”There are four common types of context clues:Examples 例子Synonyms 同义词Antonyms 反义词General sense of the sentence or passage语句或语篇的大意1.Nocturnal creatures,such as bats and owls,have highly developed senses that enable them to function in the dark.Nocturnal meansA.feathery B.livi
2、ng C.active at nightBats and owls may help you to guess that nocturnal creatures are those that are“active at night”2.The adverse effects of this drug,including dizziness,nausea,and headaches,have caused it to be withdrawn from the market.Adverse meansA.deadly B.harmful C.expensive The unpleasant si
3、de effects mentioned are clues to the meaning of adverse,which is“harmful”Instances of common euphemisms include“final resting place”(for grave),“intoxicated”(for drunk),and“restroom”(for toilet)Euphemisms means:A unpleasant reactions B.answers C.substitutes for offensive termsEuphemism 委婉说法Synonyms
4、同义词Fresh garlic may not enhance the breath,but it certainly does improve spaghetti sauce.As soon as I made a flippant remark to my boss,I regretted sounding so disrespectful.Although the salesperson tried to assuage the angry customer,there was no way to soothe her.Antonyms 反义词An antonym-a word that
5、 means the opposite of another word is also a useful context clue.Antonyms are often signaled by words and phrases such as however,but,yet,on the other hand,and in contrast.Many people have pointed out the harmful effects that a working mother may have on the family,yet there are many salutary effec
6、ts as well.Salutary meansA.well-known B.beneficial C.hurtful Salutary effects are the opposite of“harmful effects”,so salutary means“beneficial”Trying to control everything your teens do can impede their growth.To advance their development,allow them to make some decisions on their own.Impede meansA
7、block B.predict C.improveImpede is the opposite of advance,so impede means“block”During their training,police officers must respond to simulated emergencies in preparation for dealing with real ones.Simulated meansA.made-up B.mild C.actualThe opposite of“real”is“simulated”,so it means made-upGenera
8、l sense of the sentence or passage 语句与语篇的大意有时，要猜出生词的意思可能需要进行更多的推测在这种情况下，你必须根据与生词同时给出的信息得出结论问自己一些有关篇章的问题可能有助于较准确地猜出生词的意思A former employee,irate over having been fired,broke into the plant and deliberately wrecked several machines.(What would be the employees state of mind)Irate means A.relieved.B.ver
9、y angry C.undecidedThe sentence provides enough evidence for you to guess that irate means“very angry”Despite the proximity of Rons house to his sisters,he rarely sees her.(What about Rons house would make it surprising that he didnt see his sister more often?)Proximity meansA.similarity B.nearness
10、C.superiorityProximity means“nearness”The car wash we organized to raise funds was a fiasco it rained all day.(how successful would a car wash be on a rainy day?)Fiasco meansA.great financial success B.welcome surprise C.complete disasterFiasco means complete disasterMain IdeasA good way to find an
11、authors point,or main idea,is to look for a general statement.Then decide if that statement is supported by most of the other material in the paragraph.If it is,you have found the main idea.先查找概述句，然后看段落中其他大多数语句是否支持该句的观点School bullies have been around as long as there have been schools.Studies reveal
12、 several reasons why some children become bullies.Research shows that a certain combination of size and personality may be one factor.Bigger,more aggressive children are more likely to try to dominate their smaller,quieter peers.Another factor linked to bullying is overexposure to violent TV program
13、s.By the time the average American child is ten years old,he or she has watched thousands of acts of violence,including assault and murder.Such exposure can lead to aggression and violence.Finally,exposure to real violence is a factor in bullying.Studies indicate that victims of bullies often turn i
14、nto bullies themselves.Whether abused by family members or tormented by other kids,bullies typically learn their behavior from others.Look closely into the eyes of a bully,and you may be looking into the eyes of a former victim.Four statements from the passage:A.School bullies have been around as lo
15、ng as there have been schools.B.Studies reveal several reasons why some children become bullies.C.Research shows that a certain combination of size and personality may be one factor.D.studies indicate that victims of bullies often turn into bullies themselves.A.School bullies have been around as lon
16、g as there have been schools.While this is a general statement,the paragraph does not go on to show how bullying has been a problem from when schools first began to the present day.This sentence is no the main idea.B.Studies reveal several reasons why some children become bullies.The phrase“several
17、reasons”is a general one.And in fact the rest of the passage goes on to describe a series of three supporting reasons why some children become bullies.(main idea.)C.Research shows that a certain combination of size and personality may be one factor.This sentence is about only one reason.It is not ge
18、neral enough to include the other reasons for bullying.D.studies indicate that victims of bullies often turn into bullies themselves.This sentence provides detailed support for the third reason for bullying-”exposure to real violence.”it does not cover the other material in the paragraph.the main id
19、ea as an“Umbrella”the main idea as an“Umbrella”idea.主题思想是作者的总观点，伞下是该段所有其他内容，包括各种supporting details.-具体论据，如例子、起因、理由或事实等。Studies reveal reasons some children become bullies.Combination of size and personalityOverexposure to violent TV programsExposure to real violenceThe three strategies that will hel
20、p you find the main idea.Look for general versus specific ideas寻找概括性观点及其对应的具体观点Use the topic to lead you to the main idea利用主题找到主题思想Use clue words to lead you to the main idea利用提示词找到主题思想Look for general versus specific ideas寻找概寻找概括性观点及其对应的具体观点括性观点及其对应的具体观点One statement is the general point,and the ot
21、her statements are specific support for the pointCats are clean and do not require much attentionThere are definite advantages to having a cat as a petCats like living indoors and are safe to have around childrenCats are inexpensive to feed and easy to keep healthy.-home cooking-take-out-ways to eat
22、 dinner-frozen foods-not taking notes in class-poor study habits-missing classes-cramming for exams -children are at risk at the school-there are two active gangs in the school-knives and guns have been found in lockers-drug busts have been made at the schoolLast night we could hear and smell a larg
23、e animal prowling outside our tent.Green flies with stinging bites are in abundance around our campsiteThe time has come to find a new campsiteNearby we came upon a nest of baby rattlesnakesUse the topic to lead you to the main idea利用主题找到主题思想1.作者常用各章的标题阐述该章的总主题。各个章节还会用黑体标题列出许多主题和分主题。2.如果没有给出主题，你可以问自
24、己一个简单的问题 “Who or what is the selection about”“选篇的内容是关于谁或者是关于什选篇的内容是关于谁或者是关于什么的？么的？“The next step after finding the topic is to decide what main point the author is making about the topic.Authors often present their main idea in a single sentence.(This sentence is also known as the main-idea sentence
25、 or the topic sentence.)确定作者的观点。作者通常会用一句话来阐述其主要观点，这句话也叫主题思想或主题句Though fun to watch,chimpanzees should not be kept as pets.They are dangerously stronger than any NFL lineman.Adult chimps weigh only 100 to 160pounds,but have been measured pulling six to nine times their own weight with one hand.Thus,t
26、o match the strength of an average chimp,a human being would have to be able to register a two-handed pull of about a ton;it takes a very strong man to pull a quarter of that.Combines with this strength is the fact that a chimp is capable of losing its temper for reasons known only to the chimp.Chim
27、ps signal their feeling with subtle cues of behavior that arent apparent to most humans.Its quite possible for a chimp to be on the verge of violence while its owner sits unaware or even unknowingly continues to provoke it.Furthermore,its not wise to keep a cute young chimp and release it into the w
28、ild when it becomes dangerous.Wild-raised chimps will routinely gang up on and kill those raised in captivity.(联合起来对付）What is the topic of the paragraph?In other words,what is the paragraph about?hint:it often helps to look for(and even circle)a word or idea that is repeated in the paragraphWhat is
29、the main idea of the paragraph?In other words,what point is the author making about the topic?(Remember that the main idea will be supported by the other material in the paragraph)Topic:ChimpanzeesMain Idea:Chimpanzees should not be kept as pets.Supporting details:1.dangerously strong2.Capable of lo
30、sing temper3.Liable to be attacked if released in the wild As the first sentence of the paragraph suggests,the topic is”Chimpanzees.”reading the paragraph,you see that everything in it is about chimpanzees.And the main idea is clearly that“Chimpanzees should not be kept as pets.”this idea is a gener
31、al one that sums up what the entire paragraph is about.It is an“umbrella”statement under which all the other material in the paragraph fits.Use clue words to lead you to the main idea利用提示词找到主题思想One type of clue word is a list word 列举词Several kinds(ways)ofThree advantages ofVarious reasons for Severa
32、l causes of Five stepsA number of effects Some factors in General kinds of behavior can quickly get you fired from a job.American workers can be said to earn several types of incomeWater pollution takes two forms.Problem solving usually involves a series of four steps.The increasing flow of women in
33、to the labor force was caused by a number of economic factors.Locations of the main idea 主题思想的位置Tailgating following too closely behind another vehicle is a common cause of accidents.Yet tailgating accidents could be avoided if drivers followed some clear-cut guidelines.Tailgating following too clos
34、ely behind another vehicle is a common cause of accidents.Yet tailgating accidents could be avoided if drivers followed some clear-cut guidelines.The first sentence introduces the topic,but it is the idea in the second sentence-tailgating accidents could be avoided if drivers followed some clear-cut
35、 guidelinesthat is supported in the rest of the paragraph.So keep in mind that the first sentence may simply introduce or lead into the main idea of a paragraph.Very often,a contrast word like yet,but,or however signals the main idea.(signal word)Implied Main ideas and the central point如何找出隐含的主题思想如何
36、找出隐含的主题思想如何找出中心论点 （略）长篇文章隐含的主题思想：Sometimes a selection lacks a sentence that directly states the main idea.In such cases,the author has simply decided to let the details of the selection suggest the main idea.通过支通过支持性细节暗示主题思想持性细节暗示主题思想 You must figure out what that implied idea is by deciding upon t
37、he point all the details support 对各细节支持的观点做出判断，对各细节支持的观点做出判断，从而找出隐含的主题思想从而找出隐含的主题思想识别隐含的主题思想识别隐含的主题思想先确定主题topic往往有助于找出隐含的主题思想。你可以问问自己：”who or what is the selection about”确定主题后，再问：“关于这个主题作者想表达的主要观点是什么？”what is the authors main point about the topic?”The passage suggest thatWe can infer from the passa
38、ge thatFrom the beginning of the passage,we can conclude that.Inferences in reading 阅读中的推理Mining coal is dangerous to the miner and usually leaves large areas of land unfit for further use.Acid rain from the burning of coal harms plant and animal life on a large scale.Also,the air pollution from the
39、 same source damages the health of millions of people.Moreover,coal-burning power plants expose the people living around them to more radioactivity,from traces of uranium,thorium,and radon in their smoke,than do nuclear plants.Most estimates put the number of deaths in the United States from cancer
40、and respiratory diseases caused by burning coal at over ten thousand per year.What is the topic of the above paragraph?Air pollution,Mining,Effects of acid rain,Drawbacks of coalWhich statement best expresses the unstated main idea?A.Coal is far from being a desirable fuel.B.Acid rain is a major env
41、ironmental problem.C.More people are dying from cancer and respiratory diseases than at any time in the past.D.Air pollution has become our largest single environmental problem today.Read the following passage and check the three inferences that can most logically be drawn from it.A famous psycholog
42、y experiment conducted by Dr.Watson demonstrates that people,like animals,can be conditioned trained to respond in a particular way to certain stimulations.Watson gave an eleven-month-old baby named Albert a soft,furry white rat.Each time Albert tried to stroke the rat,Dr.Watson hit a metal bar with
43、 a hammer.Before long,Albert was afraid not only of white rats but also of white rabbits,white dogs,and white fur coats.He even screamed at the sight of a Santa Claus mask.1.Dr.Watson did not like small children.2.Before the experiment,Albert was not afraid of white rats.3.Albert had been familiar w
44、ith rats before the experiment.4.If he had seen a black fur coat,Albert would have screamed.5.Albert connected the loud noise of the hammer striking the metal bar with the white rat.6.Albert was afraid of unexpected loud noises.Guidelines for making inferences in reading 阅读中进行推理的指导原则1.never lose sig
45、ht of the available information 永远不要忽视已给信息As much as possible,base your inferences on the facts.For example,in a selection,we are told.”Albert tried to stroke the rat.”on the basis of that fact,we can conclude that the baby had no fear of rats.Its also important to note when a conclusion lacks suppo
46、rt.For instance,the idea that Albert would have screamed at the sight of a black fur coat has no support in the paragraph.We are told only that Albert was frightened by white furry things.2.Use your background information and experience to help you in making inferences.运用背景知识和生活经验进行推理运用背景知识和生活经验进行推理
47、Our understanding and experience with babies,for example,help us realize that Albert was frightened of unexpected loud noises.The more you know about a subject,the better your inferences are likely to be.So keep in mind that if your background in an area is weak,your inferences may be shaky.3.consid
48、er the alternatives 考虑其他的考虑其他的可能性可能性Dont simply accept the first sentence that comes to mind.Instead,consider all of the facts of a case and all the possible explanations.For example,the doctor analyzing your rash and fever may first think of and eliminate several possibilities before coming to the right conclusion.
免费区 
