【2019-2020】高考英语一轮巩固达标练题Unit3Traveljournal(含解析)新人教版必修1
【2019-2020】高考英语一轮巩固达标练题Unit3Traveljournal（含解析）新人教版必修1李仕才***阅读理解In bringing up children, every parent watches eagerly the child’s acquisition of each new skill-the first spoken words, the first independent steps, or the beginning of reading and writing. It is often tempting to hurry the child beyond his natural learning rate, but this can set up dangerous feelings of failure and states of worry in the child: This might happen at any stage. A baby might be forced to use a toilet too early, a young child might be encouraged to learn to read before he knows the meaning of the words he reads. On the other hand, though, if a child is left alone too much, or without any learning opportunities, he loses his natural enthusiasm for life and his desire to find out new things for himself.Patents vary greatly in their degree of strictness towards their children. Some may be especially strict in money matters.As regards the development of moral standards in the growing child, consistency is very important in parental teaching. To forbid a thing one day and excuse it the next is no foundation for morality. Also, parents should realize that “example is better than precept”. If they are not sincere and do not practice what they teach, their children may grow confused, and emotionally insecure when they grow old enough to think for themselves, and realize they have been to some extent fooled.A sudden awareness of a marked difference between their parents’ principles and their morals can be a dangerous disappointment.1.E agerly watching the child’s acquisition of new skills ______.A. should be avoidedB.is universal among parentsC. sets up dangerous states of worry in the childD. will make him lose interest in learning new things2.In the process of children’s learning new skills, parents ______.A. should encourage them to read before they know the meaning of the words they readB. should not expect too much of themC. should achieve a balance between pushing them too hard and leaving them on their ownD. should create as many learning opportunities as possible3.The second paragraph mainly tells us that ______.A. parents should be strict with their childrenB.C. parental restrictions vary, and are not always intended for the benefit of the children aloneD. parents vary in their strictness towards their children according to the situation4.In moral matters, parents should _______.A. observe the rules themselvesB.be aware of the marked difference between adults and childrenC. forbid things which have no foundation in moralityD. consistently ensure the security of their children【文章大意】在孩子的成长过程中，父母的教育与期望值要有一个“度”，不能揠苗助长；同时，父母也要以身作则，为孩子树立一个榜样。
1.B 【解析】推理判断题。
根据文章第一段开头的“In bringing up children，every parentwatches eagerly the child’s acquisition of each new skill”可知，既然是每位父母都会这样做，那么这种做法在父母中就是普遍的，故选B。
3.C 【解析】主旨大意题。
文章第二段的大意是“父母对孩子的严格程度有很大的不同”。
故选C。
4.A 【解析】推理判断题。
根据文章第三段第四句“If they are not sincere and do notpractice…”及文章最后一段可以得出结论，关于道德教育问题，父母应该以身作则，做孩子的好榜样，故选A。
***语法填空Over the years, I have met some interesting people. Two of __1__ most interesting people were two elderly sisters, Joan and Bernice, __2__ way of talking about people inspired me.It was always a __3__ (pleasant) to visit these two sisters. Just being greeted at the door was a joy. They couldn't be __4__ (happy) when seeing me. I always heard about the people who were there before me. Every person __5__ (talk) about in a positive way. The conversation would go something like this, “Oh, Kay, soandso was here yesterday, she __6__ (be) just ‘the salt of the earth’，isn't she? ” The other sister would reply, “Oh, yes! You ju st can't believe __7__ wonderful she is. ” I never heard they said a negative word about anyone. NEVER!8__ (they). It was their attitude __9__ people. There was no doubt that when the next person came to visit, he was going to hear how I was “the salt of the earth”．What a wonderful example these two elderly sisters were to me! I will always be __10__ (thank) that I had the opportunity to know them.1．________ 2.________ 3.________ 4.________5．________6.________7.________8.________ 9．________ 10.________篇章导读：本文是一篇夹叙夹议文。
全文主要介绍了作者所认识的一对很有趣且极具正能量的姐妹的故事。
1．the 考查冠词。
由空后的“most interesting”的提示可知，此处为形容词的最高级，应用定冠词修饰。
2．whose 考查定语从句的引导词。
whose引导非限制性定语从句，在从句中作定语，先行词为Joan and Bernice。
3．pleasure 考查词性转换。
结合语境和冠词a的提示可知，此处应用名词形式。
4．happier 考查形容词的比较级。
否定词与比较级连用表达最高级含义，与上文的joy呼应。
5．was talked 考查动词的时态和语态。
【优质试卷】2019-2020版高考英语一轮复习 Unit 3 Travel journal达标巩固练(含解析)新人教版必修1
Unit 3 Travel journal李仕才***阅读理解Have you ever been given something you don't like or that doesn't fit，but you don't want to hurt the feelings of the person who thinks about you？You're not alone.Everyone has received an unwanted gift at least once in his or her life.That doesn't mean the item is bad or useless.It simply means that it doesn't work for you.If you find yourself with something nice but that doesn't fit into your lifestyle，consider regifting it.Before you do that，make sure you understand the manners of this practice that is more and more common as people find it difficult to make ends meet to a great extent.There are specific things you should do to an item.Failure to do any of them may create an awkward situation.You never have to lie about what you are doing，but you don't want to be in the position of having to explain anything.For example，remove the original wrapping paper and rewrap it in your own way；make sure the box is in good condition so the item doesn't appear used；check the item and make sure there are no cards or names on the packaging；inspect the item and make sure it is in excellent condition.When you get ready for regifting，consider having a white_elephant gift exchange for your next celebration.This removes all the embarrassment of being caught regifting because that's the whole purpose of the event.In order to prevent hurting feelings，provide everyone with a guest list and ask them not to bring anything given by the people on that list.1．Why does the author begin the passage with a question?A．To share a hot phenomenon.B．To introduce the following part.C．To ask for readers' answers.D．To point out a common opinion.2．What most contributes to the growing regifting?A．People's lack of money.B．People's dislike of the gifts.C．People's reduced desire for gifts.D．People's understanding of its manners.3．What's mainly talked about in Paragraph 3?A．What to do before regifting.B．How to make use of unwanted gifts.C．What kind of gifts to be regifted.D．Why regifting can cause embarrassment.4．What does the underlined phrase in the last paragraph mean?A．Suitable but valueless.B．Expensive and useful.C．Packaged and invaluable.D．Nice but unsuitable.【解题导语】本篇文章是说明文，讲述怎样转送不喜欢或者不太适合自己的礼物。
2019高考英语一轮复习练习题Unit3Traveljournal(含解析)新人教版必修1
3 Travel journal李仕才【阅读理解】Robots industry is developing so rapidly that there is no denying that we may one day find ourselves surrounded by robots.The humanoid (human like) robots with two legs such as Honda Motor Co. Ltd’s ASIMO would likely have an easier time climbing up stairs inside homes than a robot that moves on wheels, developers say.But it will be some time before such devices make their way into people’s homes.“They may look smart, but they are still quite stupid, ” Shimoyama said. “I do n’t think they will ever be as smart as humans. ”While safety is an obvious concern, robots also need to be sensitive to people’s needs. Researchers at Fujitsu Frontech Ltd and Fujitsu Laboratories responsible for developing “Enon”, a guide and patrol (巡逻) robot designed for use in shopping malls and corporate facilities (公共场所), are working on this.Enon, which has a humanoid upper body but no legs, is equipped with a touch screen on its chest and space in its stomach to carry loads weighting up to 10 kg.In guide mode, it will check a newcomer and approach the person with a nod and a greeting: “Are you a visitor? Hello. ”Visitors requiring directions can point to icons (图标) displayed on Enon’s chest screen. If the restroom icon is pressed, the screen will display a map that shows the way.The robot will then face and point in the direction of the restroom, although it won’t actually walk the visitor there. Enon is now in use at four locations in Japan, including a shopping mall near Tokyo. The main goal is to make it more helpful for the elderly.“People who work in the transportation sector often ask whether we can build a robot that will find elderly people who look lost in train stations, and ask them if they are all right, ” said Toshihi do Marita, director of Fujitsu LaboratoriesLtd’s autonomous system laboratory. “Actually that is hard to do, very hard, ” he said.【文章大意】机器人产业发展得如此迅速, 在本文中作者介绍了名叫“Enon”的机器人, 它被广泛应用在商场、医院等公众场所。
高考英语一轮复习 Unit 3 Travel journal巩固练习(含解析)新人教版必修1
Unit 3 Travel journalⅠ. 根据首字母提示及句意拼写单词1. At the party the foreign teacher was r to sing some songs.2. He is a s person. Once he has made up his mind, he will not change.3. Though we have learned English for two years, we can’t communi cate with native speakers p .4. The goods will be t to Hong Kong by ship.5. I advised him not to join them. F he accepted my advice.6. What’s your a to wearing jewelry to school？7. Being a fan of Liu Dehua, she buys every music r that is produced by him.8. Writing travel j makes you think more and enjoy more.Ⅱ. 用方框内所给单词或短语的适当形式填空1. I have never seen him __________.2. My mother __________ my father to give up smoking.3. Tom and Mary have __________ to go abroad for further study（国外留学）.4. The soldier has never __________ to any difficulty.5. Do you __________ this computer __________ that one?6. He is a (an) __________ friend if we are in trouble.7. The city needs to improve its public __________.8. Never __________ what others say if you are right.9. Jim __________ from Beijing University in 2008.10. I __________ country music.Ⅲ. 单项填空1. Though she was ill that day, she was the first to come to school __________.A. as usualB. on timeC. at timesD. no longer2.You won’t find paper cutting difficult __________ you keep practicing it.A. even ifB. as long asC. as ifD. ever since3. It was when we were returning home __________ I realized what a good feeling it was to have helped someone in trouble.A. whichB. thatC. whereD. how4.Bach died in 1750, but it was not until the early 19th century __________ his musical gift was fully recognized.A. whileB. thoughC. thatD. after5. You are waiting at a wrong place. It is at the hotel __________ the coach picks up tourists.A. whoB. whichC. whereD. that6.We went 10-1 and I was named most valuable player, but I often had crazy dreams in which I was to blame for Miller’s accident ... His words freed me from my badA. memoriesB. ideasC. attitudesD. dreams7.When he retired three years ago, he 46 his church music director to take him as a student.A. allowedB. invitedC. inspiredD. persuaded8. —Don’t take that kind of attitude __________ your work, or you’ll lose it, young man.—I’m terribly sorry.A. ofB. aboutC. againstD. towards9.Kurt listened patiently, but then he smiled and said, ＂You don’t have a personal plan for growth, do you?＂A. eagerlyB. graduallyC. gratefullyD. finally10. We put __________ our tent and began to sleep in it, but I really couldn’t put__________ the heat in the tent.A. up；offB. up；up withC. on；outD. over；intoⅠ. 根据首字母提示及句意拼写单词1. requested2. stubborn3. properly4. transported5. Finally6. attitude7. records8. journalsⅡ. 用方框内所给单词或短语的适当形式填空1. ever since2. persuades/persuaded3. made up their mind4. given in5. prefer…to6. reliable7. transportationⅢ. 单项填空4. C 【解析】本题考查强调句，强调的是until引导的时间状语。
2019年高考英语一轮基础自练题 Unit 3 Travel journal(含解析)新人教版必修1
Unit 3 Travel journal李仕才***阅读理解There are two types of people in the world.Although they have equal degree of health and wealth and other comforts of life,one becomes happy and the other becomes unhappy.This arises from the different ways in which they consider things,persons,events and the resulting effects upon their minds.People who are to be happy fix their attention on the convenience of things: the pleasant parts of conversation,the well prepared dishes,the goodness of the wine and the fine weather.They enjoy all the cheerful things.Those who are to be unhappy think and speak only of the opposite things.Therefore,they are continually dissatisfied.By their remarks,they sour the pleasure of society,offend(hurt) many people,and make themselves disagreeable everywhere.If this turn of mind was founded in nature,such unhappy persons would be the more to be pitied.The intention of criticizing(批评) and being disliked is perhaps taken up by imitation(模仿).It grows into a habit,unknown to its possessors.The habit may be strong,but it may be cured when those who have realized its bad effects on their interests and tastes.I hope this little warning may be of service to them,and help them change this habit.Although in fact it is chiefly an act of the imagination,it has serious results in life since it brings on deep sorrow and bad luck.Those people offend many others; nobody loves them,and no one treats them with more than the most common politeness and respect.This frequently puts them in bad temper and draws them into arguments.If they aim at getting some advantages in social position or fortune,nobody wishes them success.Nor will anyone start a step or speak a word to favor their hopes.If they bring on themselves public objections,no one will defend or excuse them,and many will join to criticize their wrongdoings.These should change this bad habit and be pleased with what is pleasing,without worrying needlessly about themselves and others.If they do not,it will be good for others to avoid any contact(接触) with them.Otherwise,it can be disagreeable and sometimes very inconvenient,especially when one becomes mixed up in their quarrels.1.People who are unhappy_____.A.always consider things differently from othersually are affected by the results of certain thingsually misunderstand what others think or sayD.always discover the unpleasant side of certain things2.The phrase “sour the pleasure of society” means “_____ ”.A.have a good taste with social lifeB.make others unhappyC.tend to scold others openlyD.enjoy the pleasure of life3.In this passage,the writer mainly____.A.describes two types of peopleughs at the unhappy peopleC.suggests the unhappy people should get rid of the habits of unhappinessD.tells people how to be happy in life参考答案：1.D; 2.B; 3.C解析：生活中有些人拥有相同的健康、财富和生活条件,但由于考虑事情、人物、事件的角度不同,一些人感到幸福,而另一些人则感到不幸福。
[配套K12]2019年高考英语一轮巩固达标练题 Unit 3 Travel journal(含解析)新人教版必修1
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Travel journal李仕才***阅读理解In bringing up children, every parent watches eagerly the child’s acquisition of each new skill-the first spoken words, the first independent steps, or the beginning of reading and writing. It is often tempting to hurry the child beyond his natural learning rate, but this can set up dangerous feelings of failure and states of worry in the child: This might happen at any stage. A baby might be forced to use a toilet too early, a young child might be encouraged to learn to read before he knows the meaning of the words he reads. On the other hand, though, if a child is left alone too much, or without any learning opportunities, he loses his natural enthusiasm for life and his desire to find out new things for himself.Patents vary greatly in their degree of strictness towards their children. Some may be especially strict in money matters. Others are severe over times of coming home at night or punctuality for meals. In general, the controls imposed represent the needs of the parents an d the values of the community as much as the child’s own happiness.As regards the development of moral standards in the growing child, consistency is very important in parental teaching. To forbid a thing one day and excuse it the next is no foundation for morality. Also, parents should realize that “example is better than precept”. If they are not sincere and do not practice what they teach, their children may grow confused, and emotionally insecure when they grow old enough to think for themselves, and realize they have been to some extent fooled.A sudden awareness of a marked difference between their parents’ principles and their morals can be a dangerous disappointment.1.Eagerly watching the child’s acquisition of new skills ______.A. should be avoidedB.is universal among parentsC. sets up dangerous states of worry in the childD. will make him lose interest in learning new things2.In the process of children’s learning new skills, parents ______.A. should encourage them to read before they know the meaning of the words they readB. should not expect too much of themC. should achieve a balance between pushing them too hard and leaving them on their ownD. should create as many learning opportunities as possible3.The second paragraph mainly tells us that ______.A. parents should be strict with their childrenB. parental controls reflect only the needs of the parents and the values of the communityC. parental restrictions vary, and are not always intended for the benefit of the children aloneD. parents vary in their strictness towards their children according to the situation4.In moral matters, parents should _______.A. observe the rules themselvesB.be aware of the marked difference between adults and childrenC. forbid things which have no foundation in moralityD. consistently ensure the security of their children【文章大意】在孩子的成长过程中，父母的教育与期望值要有一个“度”，不能揠苗助长；同时，父母也要以身作则，为孩子树立一个榜样。
高考英语一轮复习单元巩固提升 Unit 3 Travel journal 新人教版必修1
人教版高三英语一轮复习单元巩固提升必修1 Unit 3 TraveljournalⅠ.单词拼写1．He ________ (毕业于) in law from Beijing University.答案：graduated2．All their goods will be ________ (运输) abroad by ship.答案：transported3．We should learn to manage our things ________ (恰当地)．答案：properly4．There is no reasoning with such a ________ (固执的) man as Peter.答案：stubborn5．To write a good essay you must first ________ (组织) your ideas logically.答案：organize6．No matter who points out our ________ (缺点)，we will correct them.答案：shortcomings7．We shouldn't have a wrong ________ (态度) towards the students who are poor at their clothes.答案：attitude8．Did he claim on the ________ (保险) after his car accident?答案：insurance9．I think what he said is ________ (可靠的) because he is an honest man.答案：reliable10．The ________ (坚决的) look on her face suggested that she had the confidence to do the work.答案：determinedⅡ.完成句子1．Our teacher often ________ ________ the importance of being punctual.老师经常强调守时的重要性。
2019高考英语一轮选练习题Unit3Traveljournal(含解析)新人教版必修1
必修1 Unit 3 Travel journal李仕才一、阅读理解He was there every morning, sitting motionless on the front steps of his house. In the morning light, I could see the shadows that were etched(蚀刻)deep within the lines surrounding his eyes.Each morning I walked this route with my daughter to her kindergarten class. We were new to the neighborhood so that I didn’t know many of my neighbors. On one beautiful autumn morning, as we passed his house, my daughter called out to him, “Hi, Mr. Man!” Always the outgoing child, I wasn’t surprised at her enthusiasm. But her cheerfulness soon faded when the man didn’t look at her and say “Hi” back.As we continued on our walk to school, my daughter asked why the man didn’t want to say hi to her. Because I didn’t have an answer, I said simply, “Maybe he is having a bad day.” later I knew that Bob lost his wife in a car accident.A few days later, as we approached Bob’s house on our way to school, my daughter called out “Hi Mr. Man!” and as usual, he didn’t respond. But then she ran ont o his front lawn and picked up a beautiful red autumn leaf. She continued up one step and handed it to him. I held my breath.As she skipped back to me, she said, “See you tomorrow, Mr. Man!” This time, he acknowledged her. In a soft gentle voice, he thank ed her and said, “See you tomorrow.”From then on, Bob and my daughter exchanged greeting each morning. Our friendship with Bob continued for many years. But, the sweetest day is when Bob attended my daughter’s high school graduation. Bob gave my daughter a gift---a book on identifying various plants and trees. There, tucked in the pages that described an oak tree, was the leaf my daughter had given to Mr. Man when they first met. He had dried and pressed it and kept it all those years.1.What puzzled the girl?A. The cause of the man’s sadnessB. The shadows in the man’s eyesC. The man’s sitting still on the stepsD. The man’s not answering her greeting2.How did the author feel when his daughter gave the red leaf to the man?A. ProudB. NervousC. EmbarrassedD. Comfortable3.Why did Bob keep that little red leaf?A. It was a care from a girlB. It was a symbol of enthusiasmC. It was a reminder of his painful daysD. It represented the knowledge of trees4.Which of the following can be the best title for the text?A.A Simple Red LeafB.A Strange NeighborC. An Unusual FriendD.A Greeting From A girl【文章大意】本文是一篇记叙文。
2019高考英语一轮优练题Unit3Traveljournal(含解析)新人教版必修1
Unit 3 Travel journal李仕才(必修1 Unit 3)【短文语法填空】As you know,science plays a very important role in our 1. (educate).Do you want to keep up 2. the latest research and discoveries in science?There are many good websites 3. you can visit to check out the latest in the science world.One great site is Science News for Kids.This site reports science news 4. (cover) a wide range of subjects.The articles are written with the interests and instructive experience of younger readers in mind,but adults will find this site 5. (suit) for them as well.Another wonderful site,one that I check out every day,6. (call) Science Daily.The site is 7.(constant) updated with news,often about exciting findings that change how we view the world.Whe ther it’s newly unearthed discoveries about creatures that have been gone for millions of years 8. the latest advances in medicine,you’ll find it at Science Daily.9. (This) sites post stories as they become news and also keep all the past articles for you to read 10. (late).That way you can enter a search term and find articles just about anything related to science that they’ve ever published.【解题导语】本文是一篇说明文,主要介绍了几种和科学有关的网站。
2019版高考英语一轮巩固达标练Unit3Traveljournal(含解析)新人教版必修1
3 Travel journal李仕才***阅读理解Nowadays more and more people are talking about genetically modified foods ( GM foods). GM foods develop from genetically modified organisms (有机体), which have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much more precise where an organism is exposed to chemicals to create a nonspecific but stable change. For many people, the hightech production raises all kinds of environmental, ethical, health and safety problems. Particularly in countries with long farming traditions, the idea seems against nature.In fact, GM foods are already very much a part of our lives. They were first put on the market in 1996. A third of the corn and more than half the cotton grown in the U. S. last year was the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically modified crops will be planted in the US this year. The genetic genie is out of the bottle.However, like any new product entering the food chain, GM foods must be subjected to careful testing. In wealthy countries, the debate about biotech is not so fierce by the fact that they have a large number of foods to choose from, and a supply that goes beyond the needs. In developing countries desperate to feed fastgrowing and underfed populations, the matter is simpler and much more urgent: do the benefits of biotech outweigh the risks?The statistics on population growth and hunger are disturbing. Last year the world's population reached 6 billion. The UN states that nearly 800 million people around the world are unhealthy. About 400 million women of childbearing age don' t have enough iron, which means their babies are exposed to various birth many as 100 million children suffer from vitamin A deficiency, a leading cause of blindness.How can biotech help? Genetic engineering is widely used to produce plants and animals with better nutritional values. Biotechnologists have developed genetically modified rice and they are working on other kinds of nutritionally improved crops. Biotech can also improve farming productivity in places where food shortages are causedby crop damage attributable to drought, poor soil and crop viruses.passage mainly talks about________.A. the world's food problemB. the development in biotechC. the genetically modified foodsD. the way to solve food shortages to the passage, GM foods________.A. will replace naturally grown foodsB. are far better than naturally grown foodsC. may help to solve the problem of poor nutritionD. can cause serious trouble in developing countriesunderlined sentence “The genetic genie is out of the bottle.” in Paragraph 2 probablymeans that________.foods are available everywhereB. the technology in producing GM foods is advancedC. genetic technology may have uncontrollable powersD. genetic technology has come out of laboratories into markets's the writer's attitude towards GM foods?A. Enthusiastic.B. Cautious.C. Disapproving.D. Unbelievable.【文章大意】本文是一篇说明文，主要介绍了转基因食品及其对人类生活的影响。
2019版高考英语一轮巩固达标练Unit3Traveljournal(含解析)新人教版必修1
3 Travel journal李仕才***阅读理解Nowadays more and more people are talking about genetically modified foods ( GM foods). GM foods develop from genetically modified organisms (有机体), which have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much more precise where an organism is exposed to chemicals to create a nonspecific but stable change. For many people, the hightech production raises all kinds of environmental, ethical, health and safety problems. Particularly in countries with long farming traditions, the idea seems against nature.In fact, GM foods are already very much a part of our lives. They were first put on the market in 1996. A third of the corn and more than half the cotton grown in the U. S. last year was the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically modified crops will be planted in the US this year. The genetic genie is out of the bottle.However, like any new product entering the food chain, GM foods must be subjected to careful testing. In wealthy countries, the debate about biotech is not so fierce by the fact that they have a large number of foods to choose from, and a supply that goes beyond the needs. In developing countries desperate to feed fastgrowing and underfed populations, the matter is simpler and much more urgent: do the benefits of biotech outweigh the risks?The statistics on population growth and hunger are disturbing. Last year the world's population reached 6 billion. The UN states that nearly 800 million people around the world are unhealthy. About 400 million women of childbearing age don' t have enough iron, which means their babies are exposed to various birth defeats.As many as 100 million children suffer from vitamin A deficiency, a leading cause of blindness.How can biotech help? Genetic engineering is widely used to produce plants and animals with better nutritional values. Biotechnologists have developed genetically modified rice and they are working on other kinds of nutritionally improved crops.Biotech can also improve farming productivity in places where food shortages are caused by crop damage attributable to drought, poor soil and crop viruses.1.The passage mainly talks about________.A. the world's food problemB. the development in biotechC. the genetically modified foodsD. the way to solve food shortages2.According to the passage, GM foods________.A. will replace naturally grown foodsB. are far better than naturally grown foodsC. may help to solve the problem of poor nutritionD. can cause serious trouble in developing countries3.The underlined sentence “The genetic genie is out of the bottle.” in Paragraph 2 probablymeans that________.A.GM foods are available everywhereB. the technology in producing GM foods is advancedC. genetic technology may have uncontrollable powersD. genetic technology has come out of laboratories into markets4.What's the writer's attitude towards GM foods?A. Enthusiastic.B. Cautious.C. Disapproving.D. Unbelievable.【文章大意】本文是一篇说明文，主要介绍了转基因食品及其对人类生活的影响。