阅读下面材料，在空白处填入适当的内容1个单词或括号内单词的正确形式。The truth1....

阅读下面材料，在空白处填入适当的内容1个单词或括号内单词的正确形式。

The truth1. trees are vital to our life is not a secret. They provide us with food, wood and most 2. (importance), 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 consisting of scientists from the Massachusetts Institute of Technology (MIT) and high school students who were seeking a 4. (nature) water filter（过滤器）—one that would help communities in developing countries that do not have access to modern water filter systems.

The 5. (research), led by Professor Rohit Karnik, decided to turn to trees for help because they could allow liquid to flow through, while 6.(block) 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.7. their amazement, they found that it was effective in trapping all the articles.8.(encourage), the team conducted 9.experiment, this time with water 10. contained bacteria. Sure enough, the sapwood held back 99% of the bacteria, allowing only 1% to flow through.

高三英语短文填空简单题查看答案及解析

阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。

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.

高三英语语法填空中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

The truth　　 1.　　　 trees are vital to our life is not a secret. They provide us with food, wood and most 　 2.　　 (importance), 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 consisting of scientists from the Massachusetts Institute of Technology (MIT) and high school students who were seeking a 　　 4.　　 (nature) water filter（过滤器）—one that would help communities in developing countries that do not have access to modern water filter systems.

The 　 5.　　 (research), led by Professor Rohit Karnik, decided to turn to trees for help because they could allow liquid to flow through, while 　　 6.　　　 (block) 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. 　 7.　　 their amazement, they found that it was effective in trapping all the articles. 　 8. (encourage), the team conducted 9.________experiment, this time with water 　 10.　　　 contained bacteria. Sure enough, the sapwood held back 99% of the bacteria, allowing only 1% to flow through.

高三英语语法填空简单题查看答案及解析

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

It is not a secret 1.　　 trees are vital to our life. 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(过滤)—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 turn8.______ 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. To their 9.　　 (amaze), they found that it was effective in trapping all the particles. Greatly 10.　　 (encourage), the team conducted another experiment, this time with water that contained bacteria. Sure enough, the sapwood held back 99% of the bacteria, allowing only 1% to flow through.

高三英语语法填空中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Summer camps are the place 1.　 teenagers are going to be helped under professional guidance. Troubled teens 　 2.　 (suffer) from behavior problems are treated through different methods. A number of summer camps are offering 　 3.　 wide range of services.

Right now large 　 4.　 (quantity) of youths have serious behavior problems. Among the reasons behind the rude nature of a kid 5. (be) the modern life style, bad company, and perhaps improper care by their parents. Military summer camps are helpful in solving the behavior problems. A strict training program is offered to youths. Outdoor projects 　 6. (give) to teenagers for improving their creative skills. These projects also bring confidence inside a troubled teen. 　 7.　 addition, weekly reports are sent to them based upon analysis of performance and activity of teens.

Teenagers are the main sufferers of eating disorder. It increases unwanted fat on various parts of the body and 　 8.　 (negative) affects a person’s physical or mental health. The children who don’t care about their health and are unable to pay attention to physical fitness are admitted into 9.　 (weigh) loss summer camps. There the staff members and trainers are expertise in helping troubled teens. They put full effort on teens 　 10.　 (bring) back their normal life.

高三英语语法填空中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Floating mountains in the ocean are better known as icebergs (冰山). Icebergs are 1. (mass) of freshwater ice that have broken from a glacier (冰川) or polar ice sheet. Most icebergs are formed around Antarctica and Greenland.

Icebergs 2. (see) today began thousands and thousands of years ago. They began as flakes of snow falling on land. Over the years, more and more snow fell. The snow on 3.bottom was crushed (压碎) because snow on top was packing it down. Years of 4.(melt) and freezing formed layers of ice thousands of feet thick. These sheets of ice are called glaciers. During the warmer weather in spring 5. summer, pieces of ice break off from glaciers. The broken pieces of ice fall into the water and become icebergs.

Icebergs vary 6. size. The largest iceberg ever recorded was the size of the state ofRhode Island in the United States. The 7. (tall) iceberg stood 550 feet above the ocean. That’s about the size of the Washington Monument in Washington, D. C.

Icebergs can be very 8. (danger) to ships traveling near them because only one-eighth of an iceberg 9. (be) above water. This means that the rock-hard ice is much larger underneath. Captains taking 10.(they) ships around an iceberg may miscalculate the size of the iceberg.

高三英语语法填空中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

An old proverb says, “Friends are like wine; the older, the better.” So, nowadays many people consider old friends to be　　 1.　　 (important) than new friends. For example, if two pieces of advice　　 2.　 (give) to solve a problem, one from a new friend and the other from　 3.　　 old friend, people always tend to　　 4.　　 (adoption) the latter one, although the new friend's advice may be better.

5.　 (disagree) with the old proverb, I believe that new friends are not　　 6.　　 (necessary) worse than old friends. Why? Because the length of time cannot determine whether your friendship is better or not.

Once you call someone friend, he must be a person who is　 7.　　 (rely) and whose interests are in common with　　 8.　　 (you). As time goes by, a friend's outside look may change, but the inside characters of him and his interests　 9.　　 (change).It is just these unchangeable characters and interests　　 10.　 make him a friend to you. Therefore, on this point, there is no difference between old friends and new friends.

高三英语语法填空中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

Nowadays, many cities are suffering from smog, the short form of smoke and fog. It is especially harmful to children, seniors, pregnant women, smokers and people 　 1.　　 lung or heart problems.

An important component (成分) of smog is ground-level ozone (地面臭氧). Actually, ozone that is formed naturally in the atmosphere 　 2.　　 (protect) life from the sun’s damaging rays. At ground level, however, ozone hurts people’s eyes, nose, and throat, which can make 　 3.　　 more difficult for the body to fight against an 　 4.　　 (infect). When the amount of ground-level ozone increases, so does 　 5.　　 number of emergency-room visits.

The other component is fine particulate matter (细颗粒物). The 　 6.　　 (small) the particle (particulate matter 2.5, PM2.5), the more dangerous it can be. When people take in ozone and particulates from the air, both the blood flow 　 7.　　 the oxygen supply to the heart will be reduced.


With such unhealthy air quality, some simple ways are recommended for you 8.　　 (reduce) higher risk of health problems. On smoggy days, spend less time outdoors. If you have to get outside, close all your windows 　　 9.　　 you go out. Besides, roll up the windows of 10.　　 car if you are driving.

高三英语其他题中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

As countries and regions across the globe are left dealing 1. the coronavirus crisis, most people are not 2. (satisfy) with their leaders’ response to the outbreak, according to a new report.

Citizens from just 7 out of 23 countries and regions rate their governments’3. (measure) as broadly positive, 4. (base) on the “Global Crisis Perceptions” index. The research, 5. surveyed approximately 12,500 people across 23 countries and regions between April 3 and 19, 6. (ask) respondents to rate their countries and regions across four key indicators: political leadership, corporate leadership, community and media.

China ranked 7. (high) in the citizens’ survey, with a score of 85 out of 100. The world’s second-largest economy was followed by Vietnam (77), the United Arab Emirates (59) and India (59), in 8. list which saw Asian countries and regions take the top spots.

9. is surprising is that only one Western country — New Zealand (56) — scored higher than the global average of 45. Australia, the US, and all four western 10.　 (Europe) countries surveyed — Germany, the UK, Italy and France — all ranked below the global average.

高三英语语法填空中等难度题查看答案及解析

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

Are you ready to have the time of your life? If you are, then grab your family and friends and get yourselves out to The Color Run. This is　 1. unique, untimed, five-kilometer race that is all about adding color to your clothes and your life. Participates start out　　 2.　 (wear) completely white clothes at the event. By the end, they are covered from head to toe with different colors. That’s　 3. at each kilometer of the race, the runners are covered with colored powder. The best part is the end of the race,　 4.　 everyone gets to throw colors at the runners crossing the finish line.

There’s more to The Color Run　 5.　 just covering people in color powder. The event also observes happiness, healthy living, individuality, and giving back to the community. In each city that the event visits, the organizer team up with local and national charities　 6.　 (increase) public awareness of important issues. In 2012, more than US$600,000　　 7.　 (raise) by The Color Run. What’s more, the race

8.　 (become) the single largest event series in the US since its first run in January 2012.

The Color Run is open to people of all ages and backgrounds, from first-time runners to　 9.　 (profession) athletes. Moreover, everyone is a winner because the race is not about who’s　 10.　 (fast).

高三英语填空题中等难度题查看答案及解析