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【过高考】2023 年高考英语大一轮单元复习
人教 2019 新版选择性必修一 • Unit 5
一、词汇短语精练：用所给词的适当形式填空。
1. But the more fundamental question is what happens __________(domestic).
2. Gas and oil __________(consume) always increases in cold weather.
3. Dr Yuan Longping searched for a way to increase rice harvests without _________(expand) the area of the
field.
4. These results demonstrate ___________(convince) that our suggestion is working.
5. If you do not like it, change it. ____________ (alternative), accept it.
6. A large part of the Internet _________(devote) to weblogs now.
7. The loss of big trees was greatest in areas where trees had suffered the greatest water__________(short).
8. You can also get down your knees on your hands and pull them out by the roots, but it is time __________
(consumption) and painful.
9. Their country _________(comprise) of 50 states.
10. The night before the test I _________(overcome) by fear and despair.
二、重点语法精练：
1. Training will enable you ________(find) a job.
2. The captain assigned two soldiers _________ (guard) the gate.
3. An airplane was observed________ (appear) on the screen of radar last week.
4. The policeman observed him________(drive) at the speed of 90 miles per hour.
5. At this moment, I saw a chap _________(drag) a heavy box, approaching the subway.
6. I was caught in a traffic jam for over an hour, otherwise I wouldn't have kept you__________ (wait)
for such a long time.
7. Don’t have the water ________(run) while you brush your teeth.
8. Seeing the sun ________(rise) above the surface of the sea, we let out a shout of joy.
9. The speaker gave many examples to make himself ________ (understand).
10. With all the work____________ (do), I feel very relaxed now.
三、语法填空
Chinese agronomist (农业科学家) Yuan Longping, the “father of hybrid rice (杂交水稻)”, died of an illness
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at 1:07 p.m. on Saturday at the age of 91.
After a serious nationwide starvation (饥荒) in the 1960s, Yuan, decided to devote 1 (he) to studying
how to increase the production of rice, the main food of China. Yuan 2 (succeed) in developing the world’s
first high-yielding hybrid rice in 1973, 3 production could reach over 500kg per mu. For the following years, he
continued to develop hybrid rice, achieving 4 (increase) higher outputs than before. On September 29, 2019,
Yuan 5 (award) the “Medal of the Republic”, the highest honor in the country, 6 his outstanding
contribution to China’s agricultural development and food supply. In 2020, hybrid rice 7 (develop) by Yuan’s
team achieved a new world record.
Yuan once said he had two dreams: one was to “enjoy the cool breeze under rice crops taller 8 men,” and
the other that “hybrid rice could be grown all over 9 world to help solve global food shortage.”
Professor Yuan’s 10 (devote) to China and the world will inspire us to value food and try our best to
serve our country.
四、阅读理解
If you’ve never bought organic food, you might be wondering what’s so special about it. Is it really better for
you? How does that work? This text will give you a short introduction to the subject.
Organic food is produced without the use of artificial fertilizers or pesticides (insect and bug killers) and many
people buy it because they think it’s better for their health. Whether that’s true or not is still debated, but there are
lots of other reasons for organic food. Intensive agriculture (集约型农业) gives us cheap and plentiful food, but it’s
also one of the biggest sources of environmental pollution. According to a report by the World Resources Institute,
half of all the chemical fertilizers ever produced have been used since 1984. Fertilizers — and the much more deadly
pesticides and herbicides (weed killers) used with them — finally find their way into rivers and seas. Sometimes
they break down harmlessly, but they’re just as likely to build up in creatures that eat them (including humans).
Organic food, grown without artificial chemicals, is one way to help reduce the problem.
Many people find it puzzling that organic products are more expensive. After all, you’re doing away with
expensive chemicals ... so shouldn’t they be cheaper? Organic farming is typically a more labor-intensive (劳动密
集型) way of farming and that’s why it costs more. As a responsible (有责任的) consumer, it’s up to you to decide
where to put your money. Are you happy to buy products that may have been grown in a harmful way? Are you
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willing to pay more to buy organic products that may help to protect the environment?
2. Which of the following does the author agree on?
A. Organic food is better for people’s health.
B. Organic food is better for the environment.
C. Organic food tastes better than traditional food.
D. Organic food can be produced in great amounts.
3. The underlined words “doing away with” in the last paragraph can best be replaced by “______”.
A. making use of B. getting rid of
C. keeping away from D. taking advantage of
4. What’s the author’s attitude towards organic food?
A. Doubtful. B. Uncertain.
C. Worried. D. Supportive.
五、七选五
Agriculture is playing an important part in the world. Now let’s have a look at some different methods of
agriculture (农业).
Traditional Agriculture
Most Canadian farmers focus on high productivity from a few main products, such as beef cattle, wheat crops,
or greenhouse produce. 1 . Crop rotation (轮流耕作) kills certain pests (害虫) and keeps the land rich. In fact,
traditional agriculture is main farming.
2
It is growing popular. Farmers who focus on protecting the environment believe that a successful organic
system begins with a healthy soil that develops healthy plants, farm animals and people. Despite the higher costs of
labor, 1.7% of Canadian farms were proved organic in 2009.
The Natural Solution
It is from natural insect(昆虫)control. A bag is used to ship certain kinds of insects from the supplier to an
organic farmer. 3 . This method has no influence on a crop’s nutritional value.
Genetic(基因的)Engineering
Farmers decide to grow engineered crops for many reasons. 4 . Genetically engineered crops account for
most of the corn, and soybean plantings in Canada and the United States.
Technology Use Agreement
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5 . One requirement is that the farmer shouldn’t keep seeds (种子) from the present year’s crop for
planting in the following season.
A. Organic Agriculture
B. Canadian Inorganic Agriculture
C. Farmers who want to buy special seeds must sign an agreement with the seed supplier.
D. People in Canada and the United States are crazy about growing plants and raising animals.
E. Farmers avoid chemicals with natural methods, such as using insects to attack agricultural pests
F. They also grow additional crops or raise different farm animals, although not as a primary resource
G. The reasons include increased production and the convenient management of insects, diseases and wild grass.
六、完形填空
Ecotourism is a combination of ecology (the study of systems of living things) and tourism. It is 1
“responsible travel to natural areas that preserves the environment and improves the welfare of the local people” by
the International Ecotourism Society. Actually, ecotourism can mean travel to far-off places of great natural beauty,
but not always in a(n) 2 way. It's a big business, and the attraction of money can cause people to think about 3
first. While ecotourism offers benefits to people and ecosystems, it leaves ecosystems open to negative effects,
too.
Costa Rica, once a Spanish colony, and independent since 1821, has an ecotourism industry worth over one
billion dollars yearly, and thousands of jobs have been 4 . Nearly 21 percent of the land is now protected
national parks, 5 thanks to ecotourism. Nevertheless, due to the number of people visiting the country's natural
places, some damage to the ecosystem has occurred.
While 6 can have a negative impact on ecosystems, the same areas might have been 7 by industries
such as farming, logging, or mining if there were no ecotourism industry. Shelters (庇护所) have been created 8 ,
keeping the ecosystem protected. And, by visiting beautiful rain forests and seeing rare animals, visitors get a sense
of their 9 , and of gratitude for them. Tour guides can also be educators who train people to love and care for
the environment. Visitors can take these 10 with them to their home countries.
Unfortunately, while their effect may not be 11 in the off-season, the constant parade of visitors in the
high season can be damaging. At one national park in Costa Rica, wild monkeys now feed on garbage left by the
tourists. 12 , ecotourists tend to seek out places with the rarest animals and plants, 13 the most delicate
living things.
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It is easy to be critical of the ecotourism industry, but it is important to be 14 as well. Ecotourism can
never be "pure". We can’t expect zero negative effects on the ecosystem. It is also 15 to suppose that humans
won’t go anywhere accessible to them. If protection efforts are maintained and increased, those remaining places of
undisturbed nature may be stressed, but they won’t be destroyed.
1. A. defined as B. made up of C. applied to D. combined with
2. A. attractive B. natural C. different D. responsible
3. A. effects B. nature C. profits D. economy
4. A. lost B. created C. abandoned D. shifted
5. A. mainly B. comparatively C. unfortunately D. barely
6. A. tourists B. environment C. manufacturers D. politics
7. A. fertilized B. destroyed C. reserved D. stimulated
8. A. equally B. regularly C. instead D. though
9. A. freedom B. hardness C. welfare D. value
10. A. ecosystem B. lessons C. animals D. trainers
11. A. uncertain B. noticeable C. healthy D. special
12. A. For instance B. On the contrary C. In addition D. As a whole
13. A. appreciating B. discovering C. sheltering D. pressuring
14. A. positive B. creative C. effective D. sensitive
15. A. feasible B. reasonable C. unrealistic D. inevitable
七、书面表达
假如你是李华，你向英国朋友Jim介绍你对有机农业的了解(organic farming)，请你据此给Jim写一
封邮件，开头和结尾已经给出，不计入词数。
1. 字数不少以100
2. 你更倾向于有机农业，至少说明三点原因
3. 希望Jim能回信告诉你英国的有机农业的情况及他的看法
4. 自行发挥……
Dear Jim,
Glad to hear from you.
_____________________________________________________________________
___________________________________________________________________________________________
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____________________________________________
Hope to hear from you as soon as possible.
Yours,
Li Hua
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