阅读七选五Trees around us are extremely important ...

阅读七选五

Trees around us are extremely important and have always been necessary for improving the human conditions. Our existing forests and trees we plant work to make a better world. 1.. Here is a short list of main reasons trees are necessary for improving our living conditions.

●Trees produce oxygen

2.. A leafy tree produces as much oxygen in a season as 10 people inhale in a year. What many people don't realize is that the forest also acts as a giant filter (过滤器) that cleans the air we breathe. Trees help clean the air by preventing airborne particles, reducing heat, and absorbing such pollutants.

●Trees clean the soil

The term phytoremediation is a fancy word for the absorption of dangerous chemicals and other pollutants that have entered the soil. 3.. Trees filter sewage and farm chemicals, reduce the effects of animal wastes, clean roadside spills and so on.

●Trees are carbon sinks

To produce its food, a tree absorbs and locks away carbon dioxide in the wood, roots and leaves. Carbon dioxide is a global warming suspect. 4.. This locking­up process “stores” carbon as wood and not as a “greenhouse” gas.

●5.

Trees block urban noise almost as effectively as stone walls. Trees, planted at strategic points in a neighborhood or around your house, can reduce major noises from freeways and airports.

A．We could not exist as we do if there were no trees

B．Trees help clean the sky

C．A forest is a carbon storage area that can lock up as much carbon as it produces

D．Trees control noise pollution

E．Man has been planting trees to make the planet a more beautiful world

F．The modern human community has other more practical reasons to admire and honor trees

G．Trees can either store harmful pollutants or change the pollutants into less harmful forms

高三英语信息匹配中等难度题查看答案及解析

Food is extremely important to us human beings and rice is one of the main food in the world. Australian researchers have discovered a way to genetically engineer rice which would provide significant health benefits to more than half the world’s population.

A study undertaken at the University of Tasmania, published in a respected journal of the National Academy of Sciences, discovered a method to increase the resistant starch (抗性淀粉）content in rice, making it more digestible and leading to lower rate of diabetes (糖尿病）and overweight.

Steven Smith, the lead author of the study and a foreign expert for the Chinese government who has been appointed to work on crop improvement projects by the Chinese Academy of Sciences, said increasing the higher resistant starch content gave this “designer” rice many added health benefits. “We have discovered that we can increase the amount of resistant starch in cooked rice, which could provide health benefits for a large number of people in Asia and beyond,” Smith said in a media release on Friday. “The same approach can be adapted for use in other cereals, including wheat. Not only can it have benefits for diabetes and obesity, but also for disorders of the bowel(肠）including cancer.”

Rice is the main food for more than half the world’s population, providing much of the world with most of their calories. Smith said that as the rate of diabetes and obesity in Asian countries continued to grow, his “designer” rice could provide a way to limit health problems.

“Not only does resistant starch reduce the possibility of a ‘sugar hit’ but it also reduces the appetite and promotes the growth of the healthy germs.” Smith said.

Smith divides his time between the University of Tasmania and his research lab in Beijing where he hopes to make significant advance in sustainable (可持续的）living.

1.What do we know about the study?

A. It is part of Chinese crop improvement projects.

B. It will have a significant effect on crop researches.

C. It was jointly（联合地）carried out by Australia and China.

D. It helps solve the food problem for over half of the world’s population.

2.Based on the text, the resistant starch ________.

A. exists in large amounts in cooked rice

B. decreases the possibility of a “sugar hit” and provides more calories

C. is helpful in digestion and lowers the rate of overweight and diabetes

D. increases people’s appetite and improves the growth of healthy germs

3.The underlined word “it” in Paragraph 3 refers to _________.

A. resistant starch　　 B. cooked rice

C. the approach　　 D. media release

4.Where does this text probably come from?

A. An environmental report.　　 B. A medical journal.

C. An engineering textbook.　　 D. An agricultural magazine.

高三英语阅读理解困难题查看答案及解析

Whenever human populations have lived in forest areas, they have always cut down trees which they used for a number of purposes, for housing and ships and served as a source of heating fuel and timber. Growth of cities often meant expansion into forest areas, while even more trees were removed to provide space for agriculture. With the growing demand for paper, vast quantities of trees have also been cut down for paper production. These factors, along with many others, have been contributing to a dangerous phenomenon known as deforestation.

In the last 5,000 years, humans have reduced forest from roughly 50 percent of the earth’s land surface to less than 20 percent. Most of this original, or old growth, forest cover is concentrated in three large areas: the Canadian and Alaskan boreal forest, the boreal forest of Russia, and the tropical forest of the northwestern Amazon Basin and the Guyana Shield. These areas comprise almost 70 percent of the world’s remaining original forest cover. In most places, the rate of deforestation is increasing, with the alarming result of 16 million hectares disappearing worldwide every year.

Loss of forest does not just mean the decline of natural resources. There are several other factors that make deforestation seriously harmful to both the human and natural worlds. One of them is changes in the global climate. For example, forest clearance is releasing substantial volumes of carbon dioxide (CO₂) into the atmosphere as vegetation is burnt or decays. It has been suggested that this is a significant factor in global warming. Moreover, about 10 percent of the world’s tree species are in danger of extinction as a result of deforestation. Deforestation also threatens biological diversity through the destruction of wildlife habitats, which endangers a number of animal species and leads to their potential disappearance. Species are particularly easy to extinction in tropical rainforests because many species have few individuals per unit area, which makes reproduction more difficult. Finally, since forests play an important role in storing water and stabilizing soil, deforestation and the resulting change in land use cause soil erosion (腐蚀) and other forms of land degradation.

1.The passage discusses all of the following EXCEPT the ________.

A. causes of deforestation              B. consequences of deforestation

C. management of deforestation          D. rate of deforestation

2.  The word “diversity” in the last paragraph probably means “________”.

A. variety                              B. expansion

C. development                      D. advantage

3.Why does the author mention fuel and timber in Paragraph 1?

A. To explain the rate of deforestation.

B. To compare them with housing and ships.

C. To show the dangers of deforestation.

D. To illustrate the causes of deforestation.

4.Which of the following sentences summarizes Paragraph 3 best?

A. Deforestation threatens biological diversity.

B. Deforestation has many harmful consequences.

C. Deforestation causes changes in global climate.

D. Deforestation should be stopped.

高三英语阅读理解简单题查看答案及解析

Neatness and personal cleanness have been around for ages and have become an important part of everyone’s daily routine. You might think that all modern societies would have the same neatness and personal cleanness practices. After all, doesn’t everybody take baths? Most people do recognize the need for cleanness, which is the basis for health. Neatness practices include all the little things people do to make themselves look their best, such as combing their hair and putting on makeup. However, while most modern people agree that these things are important, people in different cultures take care of themselves in different ways.

There used to be an old joke in America that people should take a bath once a week, whether they need one or not. In fact, though, Americans generally take a bath or more commonly, a shower every day. But in contrast to some cultures, most Americans get their shower in the morning so that they can start the day fresh. Americans are known for having very sensitive noses. In America, body smell is socially unacceptable. For that reason, Americans consider it a must to use special lotion (浴液) to prevent the smell. Ladies often add a touch of perfume. Men may spray on after – shave cream or manly – smelling perfume.

Some of the cultural varieties in neatness practices result from physical differences between races. Whereas many Asian men have little facial hair, Westerners have a lot. As a result, most American men spend some time each day shaving or tidying their facial hair to keep it nice. American women, on the other hand, generally prefer not to be hairy at all.

　Americans put great value on both neatness and personal cleanness. For some people, taking care of themselves has become almost a religion. As the old saying goes, “Cleanness is next to godliness.” Whether or not being clean and neat – looking brings one closer to God, it certainly at least brings one closer to others. Americans look down on people who don’t take care of themselves, or who “let themselves go.”

68．We can infer from the first paragraph that ________.

A．everyone takes baths daily to get a nice look.

B．people have the same neatness practices today.

C．neatness practices may be affected by cultures.

D．neatness means combing hair and doing makeup.

69．Americans have a bath in the morning to ________.

A．begin an energetic day                                  B．refresh their sensitive noses

C．prevent their body smell                               D．style their hair at home

70．According to the author, physical differences between races can cause differences in ________.

A．cultures                   B．locations                  C．religions                   D．neatness practice

71．The underlined phrase in the last paragraph means “________”.

A．care much about themselves                      B．give loose to themselves

C．stay away from other people                       D．stay closer to other people

高三英语阅读理解简单题查看答案及解析

—Why are you so busy these days?

— We_____trees. Why not join us？

A. have planted　　 B. will plant

C. are planting　　 D.planted

高三英语单项填空中等难度题查看答案及解析

----Dad, why is it import to have friends?

----Whenever you have difficulties, friends are always there lending you their hands.

-----

A. No problem.　　　 B. Got it.

C. All right.　　　　 D. Good idea.

高三英语单项填空中等难度题查看答案及解析

The truth 1.　　　 trees are vital to our life is not a secret. They provide us with food, wood and most 　 2.　　 (important), oxygen. Now there is one more thing we can add to this list—blocking out harmful bacteria from water.

The discovery 　 3.　　　 (make) by a team 4.　　 (consist) of scientists from the Massachusetts Institute of Technology (MIT) and high school students 　 5.　　　 were seeking a natural water filter—one that would help communities in developing countries that do not have 　 6.　　　　 (accessible) to modern water filter systems.

The 　 7.　　 (research), led by Professor Rohit Karnik, decided to turn to trees for help because they could allow liquid to flow through, while blocking out air bubbles.

They began by cutting 1.5-inch-wide sections of tree bark from the branches of a white pine tree. The people related then tested the wood’s filtering ability by pouring water containing red dye particles of different sizes through. 　 8.　 their amazement, they found that it was effective in trapping all the articles. 　 9.　 (encourage), the team conducted 10.　　　 experiment, this time with water that contained bacteria. Sure enough, the sapwood held back 99% of the bacteria, allowing only 1% to flow through.

高三英语语法填空困难题查看答案及解析

True heroes are all around us. Some help others, and others are simply good role models. My hero is my brother Thomas.

When Thomas and I were little, we used to go to the playground a lot. Kids would be scared of him and ask, “Is your arm broken?”

Thomas would respond by explaining what happened: he was born without the left arm. If they ran away, he wouldn’t let it bother him.

Thomas is expert at both cross-country(越野跑) and track. He is a 4:46 miler, which with the setback he has makes it an even greater accomplishment. Missing an arm affects his balance, which affects his leg drive. The work he has put in, however, has made up for this. He practices so hard that anything short of success would seem a disappointment.

Thomas used to play baseball like it was a religion. His idol was Jim Abbott, a pitcher(投球) for the California Angels. Abbot was a very good pitcher who only had one arm. “I looked up to Abbott because I saw what I could achieve,” Thomas said. Thomas had a lot of trouble giving up baseball for: track because he felt like he was taking the easy way out, though he liked track more.

One of Thomas’ best friends, Brad, didn't even notice Thomas only had one arm for a few weeks after meeting him. “He carried himself so confidently, so I felt okay admitting that I hadn’t noticed”, said Brad. Not only is Thomas a confident person who is not ashamed of his arm, he is often the center of attention in sports and school.

Thomas seems to have accepted his disability. I see it as more of a difficulty, and difficulties can be overcome. Sometimes, if you try hard enough, you can overcome impossible things. As the great distance runner Steve Prefontaine said, “To give anything less than your best is to sacrifice the gift.”

1.Which of the following words best describe Thomas?

A.Courageous and modest. B.Determined and religious.

C.Confident and strong-willed. D.Energetic and changeable.

2.Why did Thomas give up baseball for track?

A.Because he had a preference for, track.

B.Because his idol encouraged him to change.

C.Because he thought track was easier for him.

D.Because he couldn't play baseball with single arm.

3.The underlined sentence in the last paragraph is intended to remind us __________

A.giving is receiving. B.nothing is impossible.

C.hard work leaves no regrets. D.difficulties are gifts from God

高三英语阅读理解中等难度题查看答案及解析

All the people around the world have the same simple dream ______ they will always live in peace and comfort.

A. that    B. when  C. how    D. whether

高三英语单项填空中等难度题查看答案及解析

Today companies have branches around the world. More than 11% of the US employers and employees work online either full-time or part-time, and that number is continuing growing. It is believed that it is a waste of time and money to fly around the world for face-to-face meetings. An effective solution to this problem is to use Web meetings.

A large group of presentations, training classes and meetings are done online without losing the face-to-face experience. Web meetings are online meetings where an organizer invites attendees to listen to or watch an online presentation by presenters. Besides, Web meetings can be recorded for later use in presentations or training projects or downloaded for on-demand playback. Presenters can take real-time surveys to study how to hold a successful meeting. Some Web meeting software programs can monitor the users' desktop behavior to see if they become distracted from the presentation and begin working on other documents. If so, the program can tell presenters when the listeners lose their attention, and how long the distraction lasts. In this way the presenters will know which parts of their meetings need improving.

Web meetings can work well because they're hosted on a server. Images from the presenter's desktop are taken, uploaded to a server and then downloaded by people who have access to the server Web meetings require a powerful server to deal with several images a second and “serve” them back to thousands of users at the same time.

Companies have two choices when it comes to these servers. They can either buy a special Web meeting server to host their meetings on-site, or they can pay for a Web meeting service every time and let the off-site provider worry about hosting the meetings. The choice depends on frequently the company holds

Web meetings, the average number of people attending the meetings, and the quality of engineering and information technology.

Web meetings are an excellent example of how technology is changing the way we do business. With all the technologies today, the traditional office might soon be a thing of the past.

1.What is the disadvantage of the traditional meeting?

A.It needs more people to organize it.

B.It is expensive and time-consuming.

C.It results in traffic accidents frequently.

D.It fails to meet the demands of big companies.

2.How do some Web meeting software programs help improve the meetings?

A.By presenting successful documents.

B.By recording the frequency of distraction.

C.By tracking the listeners' state of attention.

D.By taking surveys about a successful meeting.

3.What do you know about Web meetings according to the text?

A.Web meetings are likely to be widely used.

B.Web meetings help presenters stay focused.

C.Web meetings determine the quality of engineering.

D.Web meetings work well without the help of a server.

高三英语阅读理解中等难度题查看答案及解析