2019年高考真题和模拟题分项汇编英语：专题05 阅读理解(含解析)

2019年高考英语真题和模拟题分项汇编
专题05 阅读理解
一、2019年高考真题
I.应用文
1. 【2019·全国卷I，A】
Need a Job This Summer?
The provincial government and its partners offer many programs to help students find summer jobs. The deadlines and what you need to apply depend on the program.
Not a student? Go to the government website to learn about programs and online tools available to help people under 30 build skills, find a job or start businesses all year round.
Jobs for Youth
If you are a teenager living in certain parts of the province, you could be eligible(符合条件)for this program. Which provides eight weeks of paid employment along with training.
Who is eligible: Youth 15-18 years old in select communities(社区).
Summer Company
Summer Company provides students with hands-on business training and awards of up to $3,000 to start and run their own summer businesses.
Who is eligible: Students aged 15-29, returning to school in the fall.
Stewardship Youth Ranger Program
You could apply to be a Stewardship Youth Ranger and work on local natural resource management projects for eight weeks this summer.
Who is eligible: Students aged 16 or 17 at time of hire, but not turning 18 before December 31 this year.
Summer Employment Opportunities(机会)
Through the Summer Employment Opportunities program, students are hired each year in a variety of summer positions across the Provincial Public Service, its related agencies and community groups.
Who is eligible: Students aged 15 or older. Some positions require students to be 15 to 24 or up to 29 for persons with a disability.
21. What is special about Summer Company?
A. It requires no training before employment.
B. It provides awards for running new businesses.
C. It allows one to work in the natural environment.
D. It offers more summer job opportunities.
22. What is the age range required by Stewardship Youth Ranger Program?
A. 15-18.
B. 15-24.
C. 15-29.
D. 16-17.
23. Which program favors the disabled?
A. Jobs for Youth.
B. Summer Company.
C. Stewardship Youth Ranger Program.
D. Summer Employment Opportunities.
【语篇解读】本文为应用文。

本文叙述了省政府及其合作伙伴提供了许多项目来帮助学生暑期在找到工作。

21.B 【解析】细节理解题。

根据Summer Company部分中的“Summer Company provides students with ...awards of up
to ＄3,000 to start and run their own summer businesses” 可知“Summer Company为学生提供高达3000美元的奖励，来开始和经营他们自己的暑期业务”。

“start and run their own summer businesses”即“为开办新的业务”，这对应B项中的“runn new businesses”，二者是词义之间的转述关系。

故选B。

22.D 【解析】细节理解题。

根据Stewardship Youth Ranger Program部分中的第二段“Who is eligible: Students aged 16
or 17 at time of hire, but not turning 18 before December 31 this year.”可知“符合条件的学生：16岁或17岁的学生，但在今年12月31日之前未满18岁”。

由此得出，这个项目要求年龄在16-17岁之间。

分析选项可知D项符合题意，故选D。

23.D 【解析】细节理解题。

根据Summer Employment Opportunities部分中的最后一段最后一句“Who is eligible: ...Some
positions require students to be 15to 24 or up to 29 for persons with a disability”,可知Summer Employment Opportunities有些职位是给残疾人的。

分析选项可知，D项符合题意，故选D。

2. 【2019·全国卷II，A】
My Favourite Books
Jo Usmar is a writer for Cosmopolitan and co-author of the This Book Will series(系列)of lifestyle books. Here she picks her top reads.
Matilda
Roald Dahl
I once wrote a paper on the influence of fairy tales on Roald Dahl's writing and it gave me a new appreciation for his strange and delightful words. Matilda's battles with her cruel me parents and the bossy headmisres，Miss Trunchbull，are equally fumy and frightening，but they're also aspirational.
After Dark
Haruki Murakami
It’s about two sisters-Eri，a model who either won’t or can’t stop sleeping，and Mari, a young student . In trying to connect to her sister. Mari starts changing her life and discovers a world of diverse ”night people” who are hiding secrets.
Gone Girl
Gillian Fynn
There was a bit of me that didn't want to love this when everyone else on the planet did but the horror story is brilliant. There's tension and anxiety from the beginning as Nick and Amy battle for your trust. It's a real whodunit and the frustration when you realise what's going on is horribly enjoyable
The Stand
Stephen King
This is an excellent fantasy novel from one of the best storytellers around. After a serious flu outbreak wipes out 99.4% of the world's population, a battle unfolds between good and evil among those let. Randall Flagg is one of the scariest characters ever.
21. Who does "I" refer to in the text?
A. Stephen King.
B. Gillian Flynn.
C. Jo Usmar.
D. Roald Dahl
22. Which of the following tells about Mari and Eri?
A. Cosmopolitan.
B. Matilda.
C. After Dark.
D. The Stand.
23. What kind of book is G one Girl?)
A. A folk tale.
B. A biography.
C. A love story.
D. A horror story.
【语篇解读】这是一篇应用文。

短文介绍了作家Jo Usmar最喜欢的书籍。

21.C
【解析】细节理解题。

由Matilda中的“I once wrote a paper on the influence of fairy tales on Roald Dahl’s writing and it gave me a new appreciation for his strange and delightful words”可知，我曾经写过一篇关于童话故事对罗尔德·达尔写作有影响的论文，这篇论文让我对他奇怪而有趣的文字有了新的认识。

所以Jo Usmar在介绍Matilda这本书，用第一人称“I”口吻来说明自己曾经写过一篇关于童话故事对罗尔德·达尔写作有影响的论文。

所以“I”指的是Jo Usmar。

故C选项正确。

22.C
【解析】细节理解题。

由After Dark中的“It’s about two sister-Eri,a model who either won’t or can’t stop sleeping, and
Mari,a young student”可知，故事讲的是两个姐妹---Eri是一个突然一觉不醒的模特。

玛丽，是一个充满青春活力的上和古董店里寻找旧的军队勋章，然后将这些勋章归还它们的合法主人。

文章主要叙述了他这一爱好的起源。

21.A
【解析】细节理解题。

根据第二段中的“Zac knows the meaning of a Purple Heart—he earned one himself in a war as a soldier”可知，当Zac还是一名士兵的时候，在一次战争中他获得了一枚Purple Heart。

故A选项正确。

22.B
【解析】推理判断题。

根据第三段中的“To drive eight hours to come to see me”可以推知，Adeline为了那枚Purple Heart 开车八个小时来见Zac，由此可知，她对于这件事是认真地。

因此，At that point, I knew she meant business应该指的是Zac意识到Adeline对这枚勋章是认真的。

故B选项正确。

23.D
【解析】推理判断题。

根据第四段中的“Corrado, a translator…was killed in action in Europe”和倒数第三段中的“as I grew older…and missed my brother more and more, I realized that was the only thing we had left ”这枚勋章寄托了Adeline对于去世的哥哥Corrado的回忆和思念，这是他们家留下的唯一关于哥哥的东西了。

因此她很珍惜这枚勋章。

故D选项正确。

8. 【2019·浙江卷，B】
Money with no strings attached. It’s not something you see every day. But at Union Station in Los Angeles last month, a board went up with dollar bills attached to it with pins and a sign that read, "Give What You Can, Take What You Need."
People quickly caught on. And while many took dollars, many others pinned their own cash to the board. “People of all ages, races, and socio-economic(社会经济的)backgrounds ga ve and took, ”said Tyler Bridges of The Toolbox, which created the project. "We even had a bride in her wedding dress come up to the board and take a few dollars." Most of the bills on the board were singles, but a few people left fives, tens and even twenties. The video clip(片段)shows one man who had found a $ 20 bill pinning it to the board.
“What I can say for the folks that gave the most, is that they were full of smiles,” Bridges said. “There’s a certain feeling that giving can do for you and that was apparent in those that gave the most." Most people who took dollars took only a few, but Bridges said a very small number took as much as they could.
While the clip might look like part of a new ad campaign, Bridges said the only goal was to show generosity and sympathy. He added that he hopes people in other cities might try similar projects and post their own videos on the Internet.
“After all, everyone has bad days and good days," he said. “Some days you need a helping hand and some days you can be the on e giving the helping hand.”
24. What does the expression "money with no strings attached" in paragraph 1 mean?
A. Money spent without hesitation.
B. Money not legally made.
C. Money offered without conditions.
D. Money not tied together.
25. What did Bridges want to show by mentioning the bride?
A. Women tended to be more sociable.
B. The activity attracted various people.
C. Economic problems were getting worse.
D. Young couples needed financial assistance.
26. Why did Bridges carry out the project?
A. To do a test on people’s morals.
B. To raise money for his company.
C. To earn himself a good reputation.
D. To promote kindness and sympathy.
【语篇解读】这是一篇新闻报道。

短文报道了上个月在洛杉矶的联合车站,一块牌子上别针别满了美元，上面写着“给予你所能给与的，拿走你所需要的”。

这样的活动吸引了各种各样的人，组织者希望通过这样的活动来提倡仁慈和同情。

24.C
【解析】词义猜测题。

由第一段“But at Union Station in Los Angeles last month, a board went up with dollar bills attached to it with pins and a sign that read, "Give What You Can, Take What You Need.”可知，但是上个月在洛杉矶的联合车站，一块牌子上别针别满了美元，上面写着“给予你所能给与的，拿走你所需要的”。

所以通过下文的语境，判断出第1段中的money with no strings attached是“无条件提供的钱”的意思。

故B选项正确。

25.B
【解析】推理判断题。

由第二段““People of all ages, races, and socio-economic（社会经济的）backgrounds gave and took, ”said Tyler Bridges of The Toolbox, which created the project. "We even had a bride in her wedding dress co me up to the board and take a few dollars.”可知，发起该项活动的泰勒·布里奇斯说:“所有年龄、种族和社会经济背景的人都会付出和索取。

”甚至有一位穿着婚纱的新娘来到了牌子前，拿走了一些钱。

所以通过泰勒·布里奇斯所说的，可以判断出，他提到新娘就是想说明这项活动吸引了各种各样的人。

故B选项正确。

26.D
【解析】细节理解题。

由倒数第二段“While the clip might look like part of a new ad campaign, Bridges said the only goal was to show generosity and sympathy”可知，尽管这段视频看起来像是一项新的广告活动的一部分，但是布里奇斯说这次活动唯一的目标是表现出慷慨和同情。

所以布里奇斯实施这个活动是为了提倡仁慈和同情。

故D选项正确。

III.说明文
1. 【2019·全国卷I，C】
As data and identity theft becomes more and more common, the market is growing for biometric(生物测
量)technologies—like fingerprint scans—to keep others out of private e-spaces. At present, these technologies are still expensive, though.
Researchers from Georgia Tech say that they have come up with a low-cost device(装置)that gets around this problem: a smart keyboard. This smart keyboard precisely measures the cadence(节奏)with which one types and the pressure fingers apply to each key. The keyboard could offer a strong layer of security by analyzing things like the force of a user's typing and the time between key presses. These patterns are unique to each person. Thus, the keyboard can determine people's identities, and by extension, whether they should be given access to the computer it's connected to—regardless of whether someone gets the password right.
It also doesn't require a new type of technology that people aren't already familiar with. Everybody uses a keyboard and everybody types differently.
In a study describing the technology, the researchers had 100 volunteers type the word “touch”four ti mes using the smart keyboard. Data collected from the device could be used to recognize different participants based on how they typed, with very low error rates. The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made of inexpensive, plastic-like parts. The team hopes to make it to market in the near future.
28. Why do the researchers develop the smart keyboard?
A. To reduce pressure on keys.
B. To improve accuracy in typing
C. To replace the password system.
D. To cut the cost of e-space protection.
29. What makes the invention of the smart keyboard possible？
A. Computers are much easier to operate.
B. Fingerprint scanning techniques develop fast.
C. Typing patterns vary from person to person.
D. Data security measures are guaranteed.
30. What do the researchers expect of the smart keyboard？all 1o soisgitieoco oll.
A. It'll be environment-friendly.
B. It'll reach consumers soon.
C. It'll be made of plastics.
D. It'll help speed up typing.
31. Where is this text most likely from?
A. A diary.
B. A guidebook
C. A novel.
D. A magazine.
【语篇解读】这是一篇说明文。

数据和身份盗窃变得越来越普遍，目前，向指纹扫描等这些技术仍然是昂贵的。

本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，而且这项技术也不贵。

28.D
【解析】细节理解题。

根据第一段的At present, these technologies are still expensive, though.和第二段的Researchers from Georgia Tech say that they have come up with a low-cost device that gets around this problem: a smart key board.可知，研究者们开发智能键盘是为了降低e-space保护的成本。

故选D。

29.C
【解析】细节理解题。

根据第二段的The key board could offer a strong layer of security by analyzing things like the force of a user’s typing and the time between key presses. These patterns are unique to each person. Thus，the keyboard can determine people’s identities可知，因为每个人的打字方式不同，使智能键盘能够识别人的身份。

故选C。

30.B
【解析】细节理解题。

根据最后一段的The team hopes to make it to market in the near future.可知，研究者们希望智能键盘能早日面世。

故选B。

31.D
【解析】推理判断题。

本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，由此可知，本文是关于科技，结合所给选项可知，本文可能来自于一本杂志。

故选D。

2. 【2019·全国卷I，D】
During the rosy years of elementary school(小学), I enjoyed sharing my dolls and jokes, which allowed me to keep my high social status. I was the queen of the playground. Then came my tweens and teens, and mean girls and cool kids. They rose in the ranks not by being friendly but by smoking cigarettes, breaking rules and playing jokes on others, among whom I soon found myself.
Popularity is a well-explored subject in social psychology. Mitch Prinstein, a professor of clinical psychology sorts the popular into two categories: the likable and the status seekers. The likables’ plays-well-with-others qualities strengthen schoolyard friendships, jump-start interpersonal skills and, when tapped early, are employed ever after in life and work. Then there’s the kind of popularity that appears in adolescence: status born of power and even dishonorable behavior.
Enviab le as the cool kids may have seemed, Dr. Prinstein’s studies show unpleasant consequences. Those who were highest in status in high school, as well as those least liked in elementary school, are “most likely to engage(从事)in dangerous and risky behavior.”
In one study, Dr. Prinstein examined the two types of popularity in 235 adolescents, scoring the least liked, the most liked and the highest in status based on student surveys(调查研究). “We found that the least well-liked teens had become more aggressive over time toward their classmates. But so had those who were high in status. It clearly showed that while
likability can lead to healthy adjustment, high status has just the opposite effect on us."
Dr. Prinstein has also found that the qualities that made the neighbors want you on a play date-sharing, kindness, openness — carry over to later years and make you better able to relate and connect with others.
In analyzing his and other research，Dr. Prinstein came to another conclusion: Not only is likability related to positive life outcomes, but it is also responsible for those outcomes, too. "Being liked creates opportunities for learning and for new kinds of life experiences that help somebody gain an advantage, ” he said.
32. What sort of girl was the author in her early years of elementary school?
A. Unkind.
B. Lonely.
C. Generous.
D. Cool.
33. What is the second paragraph mainly about？
A. The classification of the popular.
B. The characteristics of adolescents.
C. The importance of interpersonal skills.
D. The causes of dishonorable behavior.34. What did Dr. Prinstein’s study find about the most liked kids?A. They appeared to be aggressive. B. They tended to be more adaptable. C. They enjoyed the highest status. D. They performed well academically. 35. What is the best title for the text? A. Be Nice-You Won’t Finish Last B. The Higher the Status, the Beer C. Be the Best-You Can Make It D. More Self-Control, Less Aggressiveness 【语篇解读】这是一篇说明文。

文章主要讲到研究表明，对别人好，讨人喜欢对人生活的各个方面有深远的有
益影响。

32.C
【解析】推理判断题。

根据第一段During the rosy years of elementary school, I enjoyed sharing my dolls and jokes, which allowed me to keep my high social status（在美好的小学时光里，我喜欢分享我的娃娃和笑话，这让我保持了高高的社会地位。

）由此推断出，作者在小学早期时，是一个慷慨的女孩。

unkind不友善的；lonely寂寞的；generous慷慨的；cool冷静的，故选C。

33.A
【解析】主旨大意题。

第二段Mitch Prinstein, a professor of clinical psychology sorts the popular into two categories: the likable and the status seekers.（临床心理学教授Mitch Prinstein将受欢迎的人分为两类:讨人喜欢的人和追求地位的人。

）是段落主题句，本段内容分别对the likable 和the status seekers 做了解释，所以本段主要介绍了两种受欢迎的分类，故选A。

34.B
【解析】推理判断题。

根据第四段It clearly showed that while likability can lead to healthy adjustment （它清楚地表明，可爱可以促使健全的调整），由此推断出，心理学教授Mitch Prinstein的研究表明，最有人望的孩子适应性更强，故选B。

35.A
【解析】主旨大意题。

通过阅读全文内容，尤其是最后一段，可知这篇文章主要讲了受欢迎，讨人喜欢对人生活的各个方面有深远的有益影响。

与选项A“对别人好——最终，你的收获无穷无尽”一致，故选A。

4. 【2019·全国卷II，D】
Bacteria are an annoying problem for astronauts. The microorganisms(微生物) from our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week. How is NASA overcoming this very tiny big problem? It’s turning to a bunch of high school kids. But not just any kids. It depending on NASA HUNCH high school class, like the one science teachers Gene Gordon and Donna Himmelberg lead at Fairport High School in Fairport, New York.
HUNCH is desi gned to connect high school classrooms with NASA engineers. For the past two years, Gordon’s students have been studying ways to kill bacteria in zero gravity, and they think they’re close to a solution(解决方案). “We don’t give the students any breaks. They have to do it just like NASA engineers,” says Florence Gold, a project manager.
“There are no tests,” Gordon says. “There is no graded homework. There almost are no grades, other than‘Are you working towards your goal?’ Basically, it’s ‘I’ve got to produce this product and then, at the end of year, present it to NASA.’ Engineers come and really do an in-person review, and…it’s not a very nice thing at time. It’s a hard business review of your product.”
Gordon says the HUNCH program has an impact(影响) on colle ge admissions and practical life skills. “These kids are so absorbed in their studies that I just sit back. I don’t teach.” And that annoying bacteria? Gordon says his students are emailing daily with NASA engineers about the problem, readying a workable solution to test in space.
32. What do we know about the bacteria in the International Space Station?
A. They are hard to get rid of.
B. They lead to air pollution.
C. They appear different forms.
D. They damage the instruments.
33. What is the purpose of the HUNCH program?
A. To strengthen teacher-student relationships.
B. To sharpen students’ communication skills.
C. To allow students to experience zero gravity.
D. To link space technology with school education
34. What do the NASA engineers do for the students in the program?
A. Check their product.
B. Guide project designs
C. Adjust work schedules.
D. Grade their homework.
35. What is the best title for the text?
A. NASA: The Home of Astronauts.
B. Space: The Final Homework Frontier.
C. Nature: An Outdoor Classroom.
D. HUNCH:A College Admission Reform.
【语篇解读】本文为说明文。

本文介绍了HUNCH项目就是通过Gordon的学生找到如何杀死空间站的细菌这一技术，把空间技术与带进课堂，与学校教育相结合，从而最终影响到大学入的数学模型，科学家们发现了一些在食物网运营的关键原则。

科学家们说;因为一个生态系统越过了它的临界点，它们很难再回来。

该系统将告诉我们何时适应人类活动，这些活动正将生态系统推向崩溃，或者甚至允许我们将生态系统从边缘拉回来，预防是关键。

46.B
【解析】细节理解题。

根据第一段的With such models, scientists have found out some key principles operating in food webs.可知，借助食物网的数学模型，科中的一些关键原则。

故选B。

47. C
【解析】细节理解题。

根据第一段的When a predator(掠食动物) always eats huge numbers of a single prey(猎物)，the two species are strongly linked可知，当捕食者总是吃大量的单一猎物，这两个物种是紧密相连的。

故选C。

48. D
【解析】推理判断题。

根据第二段的In the 1960s, scientists proposed that predators at the top of a food web had, a surprising amount of control over the size of populations of other species they did not directly attack可知，处于食物网顶端的食肉动物对它们没有直接攻击的其他物种的种群数量有着惊人的控制，由此可推断出，如果食物链顶级食肉动物的数量大大下降，其他物种的种群将经历意想不到的变化。

故选D。

49.A
【解析】推理判断题。

根据第四段的Ideally the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline可知，人类过度的活动会将生态系统推向崩溃，由此可推断出，不受控制的人类活动极大地破坏了生态系统。

故选A。

50. D
【解析】细节理解题。

根据最后一段的Scientists have built an early-warning system based on mathematical models. Ideally the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline.可知，早期变暖系统发出紧急需要采取预防行动的信号帮助我们维持生态平衡。

故选D。

9. 【2019·江苏卷，B】
In the 1960s，while studying the volcanic history of Yellowstone National Park，Bob Christiansen became puzzled about something that，oddly，had not troubled anyone before:he couldn't find the park's volcano. It had been known for a long time that Yellowstone was volcanic in nature — that's what accounted for all its hot springs and other steamy features. But Christiansen couldn't find the Yellowstone volcano anywhere.
Most of us，when we talk about volcanoes，think of the classic cone(圆锥体)shapes of a Fuji or Kilimanjaro，which are created when erupting magma(岩浆)piles up. These can form remarkably quickly. In 1943，a Mexican farmer was surprised to see smoke rising from a small part of his land. In one week he was the confused owner of a cone five hundred feet high. Within two years it had topped out at almost fourteen hundred feet and was more than half a mile across. Altogether there are some ten thousand of these volcanoes on Earth，all but a few hundred of them extinct. There is，however，a second les known type of volcano that doesn't involve mountain building. These are volcanoes so explosive that they burst open in a single big crack，leaving behind a vast hole，the caldera. Yellowstone obviously was of this second type，but Christiansen couldn't find the caldera anywhere.
Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone. A thoughtful official passed on some of the copies to the park authorities on the assumption that they might make a nice
blow-up for one of the visitors' centers. As soon as Christiansen saw the photos，he realized why he had failed to spot the caldera; almost the whole park-2.2 million acres—was caldera. The explosion had left a hole more than forty miles across—much too huge to be seen from anywhere at ground level. At some time in the past Yellowstone must have blown up with a violence far beyond the scale of anything known to humans.
58. What puzzled Christiansen when he was studying Yellowstone？
A. Its complicated geographical features.
B. Its ever-lasting influence on tourism.
C. The mysterious history of the park.
D. The exact location of the volcano.
59. What does the second-paragraph mainly talk about？
A. The shapes of volcanoes.
B. The impacts of volcanoes.
C. The activities of volcanoes.
D. The heights of volcanoes.
60. What does the underlined word "blow-up" in the last paragraph most probably mean？
A. Hot-air balloon.
B. Digital camera.
C. Big photograph.
D. Bird's view.
【语篇解读】本文为说明文。

讲述了二十世纪六十年代Bob Christiansen在研究黄石公园的火山历史时，奇怪地发现到处看不到火山的影子，原来，这儿的火山并不是像我们大部分人想象的那种圆锥体形状的高耸的样子，而是一个巨大的洞，这个洞太大了以至于从地面上的任何地方都看不见。

58.D
【解析】细节理解题。

根据第一段最后一句But Christiansen couldn’t find the Yellowstone volcano anywhere.可知，他困惑的是到处看不到火山。

故选D。

59.A
【解析】主旨大意题。

本段讲述了两种形状的火山，一种是通常人们所理解的由火山岩浆堆积形成的圆锥体，还有一种极具爆发力的火山，它们会在一个大裂缝中爆裂，留下一个巨大的洞，故选A。

60.C
【解析】词义猜测题。

根据第三段第一句Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone. A thoughtful official passed on some of the copies to the park authorities on the assumption that they might make a nice blow-up for one of the visitors’ centers.可知，美国国家航空和宇宙航行局为测试一些新的高海拔照相机而拍摄了黄石公园的照片。

一位深思熟虑的官员把其中的一些照片副本转交给了公园管理部门，认为他们可能会将其放大以供一个游客中心展示。

故可知，此处意为将照片放大，选C。

10. 【2019·浙江卷，C】
California has lost half its big trees since the 1930s, according to a study to be published Tuesday and climate change seems to be a major factor(因素).
The number of trees larger than two feet across has declined by 50 percent on more than 46, 000 square miles of California forests, the new study finds. No area was spared or unaffected, from the foggy northern coast to the Sierra Nevada Mountains to the San Gabriels above Los Angeles. In the Sierra high country, the number of big trees has fallen by more than 55 percent; in parts of southern California the decline was nearly 75 percent.
Many factors contributed to the decline, said Patrick Mclntyre, an ecologist who was the lead author of the study. Woodcutters targeted big trees. Housing development pushed into the woods. Aggressive wildfire control has left California forests crowded with small trees that compete with big trees for resources(资源).
But in comparing a study of California forests done in the 1920s and 1930s with another one between 2001 and 2010, Mclntyre and his colleagues documented a widespread death of big trees that was evident even in wildlands protected from woodcutting or development.
The loss of big trees was greatest in areas where trees had suffered the greatest water shortage. The researchers figured out water stress with a computer model that calculated how much water trees were getting in comparison with how much they needed, taking into account such things as rainfall, air temperature, dampness of soil, and the timing of snowmelt(融雪).
Since the 1930s, Mclntyre said, the biggest factors driving up water stress in the state have been rising temperatures, which cause trees to lose more water to the air, and earlier snowmelt, which reduces the water supply available to trees during the dry season.
27. What is the second paragraph mainly about?
A. The seriousness of big-tree loss in California.
B. The increasing variety of California big trees.
C. The distribution of big trees in California forests.
D. The influence of farming on big trees in California.
28. Which of the following is well-intentioned but may be bad for big trees?
A. Ecological studies of forests.
B. Banning woodcutting.
C. Limiting housing development.
D. Fire control measures.
29. What is a major cause of the water shortage according to Mclntyre?
A. Inadequate snowmelt.
B. A longer dry season.
C. A warmer climate.
D. Dampness of the air.
30. What can be a suitable title for the text?
A. California's Forests: Where Have All the Big Trees Gone?
B. Cutting of Big Trees to Be Prohibited in California Soon
C. Why Are the Big Trees Important to California Forests?
D. Patrick Mclntyre: Grow More Big Trees in California
【语篇解读】本文为说明文，根据一项研究表明，自20世纪30年代以来，加州已经失去了一半的大树，气候变化似乎是其主要因素。

27.A
主旨大意题。

在第二段中，作者用具体数据说明了大树损失在各个地区的严重程度，没有任何地区幸免或不受影响，故选A。

28. D
【解析】推理判断题。

根据第三段最后一句Aggressive wildfire control has left California forests crowded with small trees that compete with big trees for resources（资源）.可知，野火控制在控制了森林大火的同时，使得加利福尼亚的森林里挤满了小树，它们与大树争夺资源，这对大树产生了不利的影响，故选D。

29.C
【解析】细节理解题。

根据最后一段the biggest factors driving up water stress in the state have been rising temperatures, …, and earlier snowmelt, …可知，造成加州水资源短缺的最大因素是气温的上升，以及较早的融雪，故选C。

30.A
【解析】主旨大意题。

通读全文可知，自20世纪30年代以来，加州已经失去了一半的大树，文章分析了引起该现象的几个主要因素。

全文围绕“加州森林的大树都去哪儿了”话题展开，故选项A符合题意。

IV.议论文
1. 【2019·全国卷II，C】
Marian Bechtel sits at West Palm Beach’s Bar Louie counter by herself, quietly reading her e-book as she waits for her salad. What is she reading? None of your business! Lunch is Bechtel’s “me” time. And like more Americans, she’s not alone.
A new report found 46 percent of meals are eaten alone in America. More than half(53 percent)have breakfast alone and nearly half(46 percent)have lunch by themselves. Only at dinnertime are we eating together anymore，74 percent，according to statistics from the report.
“I prefer to go out and be out. Alone，but together，you know？”Bechtel said，looking up from her book. Bechtel，who works in downtown West Palm Beach，has lunch with coworkers sometimes，but like many of us，too often works through lunch at her desk. A lunchtime escape allows her to keep a boss from tapping her on the shoulder. She returns to work feeling energized. “Today，I just wanted some time to myself，”she said.
Just two seats over，Andrew Mazoleny，a local videographer，is finishing his lunch at the bar. He likes that he can sit and check his phone in peace or chat up the barkeeper with whom he's on a first-name basis if he wants to have a little interaction(交流). “I reflect on how my day's gone and think about the rest of the week,” he said. “It's a chance for。