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Many millions of years later, the first 1. (extreme) small plants began to appear on the surface of the water. They multiplied and filled the oceans and seas 2. oxygen, 3. encouraged the later development of early shellfish and all sorts of fish. Next, green plants began to grow on land. They 4. (follow) in time by land animals. Some were insects. 5., called amphibians, were able to live on land as well as 6.the water. Later when the plants grew into forests, reptiles appeared for the first time. They produced young generally by laying eggs. After that, some huge animals, called dinosaurs, developed. They 7. (lay) eggs too and existed on the earth for more than 140 million years. 8., 65million years ago the age of the dinosaurs ended. Why they suddenly disappeared still remains a mystery. This 9. (appear) made possible the rise of mammals on the earth. These animals were different from all life forms in the past, 10. they gave birth to young baby animals and produced milk to feed them.
高一英语语法填空中等难度题查看答案及解析
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Yuan Longping, one of China’s most famous scientists, grows 1. is called super hybrid rice. In 1953, Yuan Longping 2. ( graduate) from college. As 3. young man, he saw the great need for increasing the rice output. Since then he has devoted 4. (he) to growing more rice without expanding the area of the fields. In 1973, he became the first 5. (agriculture) pioneer in the world to grow rice that has a high output. This special strain of rice makes it possible to produce 20% more of the crop in the same fields. Yuan Longping is quite satisfied 6. his life. He thinks he 7. (be) just a farmer, even though he is one of the greatest scientists in China. Spending money on himself or 8. ( lead) a comfortable life means very little to him. He gives too much money to help others for their research and 9. (selfless) circulates his knowledge in some other countries. Thanks to his hard work, the problems of 10. (hungry) will be solved, and millions of people can benefit from his great work.
高一英语语法填空中等难度题查看答案及解析
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While thousands of college students headed for warm climate to enjoy sun and fun during their week off from classes, seven local students had other plans.
The Northern Essex Community College (NECC) students and one of their teachers spent part of their spring break in New York City, helping repair an area 1. (destroy) by the hurricane. “I wanted to see for myself what happened,” said Terry. “I couldn’t imagine2.it is like to lose your home and everything that you know and the3.(power) effect the hurricane had on those people. I wanted to do something, to understand their feeling of helplessness.” The group headed into Brooklyn’s Red Hook district, which was hit hard by the hurricane. There they met people from other parts of the country, 4.had also volunteered to help. Together, those volunteers and the NECC students worked 5. (clear) rubbish out of a three-story building. They put on protective suits and gloves6.they entered the building.
Inside the building, the students saw nothing but broken walls and doors and pieces of the building 7.(lie) all over the place.
The students returned to school with 8.sense of achievement, a feeling 9.they helped people in need. I was remarkable how a community lost so much and was still able to recover, and this left the deepest impression10.the students.
高一英语语法填空中等难度题查看答案及解析
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Their friend, Danny Lin, was waiting at the airport. He was going to take them and their baggage to catch “The True North”, the cross-Canada train. 1. the way to the station, he 2. (chat) about the trip. “You’re going to see some great scenery. Going eastward, you’ll pass mountains and thousands of lakes and forests, as well as wide rivers and large cities. Some people have the idea that you can cross Canada3. less than five days, but they forget the fact 4. Canada is 5,500 kilometres 5.coast to coast. Here is Vancouver, you’re in Canada’s warmest part. People say it is Canada’s most beautiful city, 6. (surround) by mountains and the Pacific Ocean. 7. (ski) in the Rockey Mountains and sailing in the harbour make Vancouver one of Canada’s 8. (popular) cities to live in. Its population is increasing 9. (rapid). The coast north of Vancouver has some of the oldest and most beautiful forests in the world. It is so wet there that the trees are extremely tall, some 10. (measure) over 90 metres.”
高一英语语法填空中等难度题查看答案及解析
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Table tennis, also called ping -pong, is 1. (play) all around the world. It is an Olympic sport. The table is 2.74 metres by 1.525 metres and 2. (stand) 76 centimetres from the ground. The net goes across the centre of 3. table and is 15.25 centimetres high. It is very similar to playing tennis on the court.
The exact origin of table tennis is not known. 4. we do know is that it began in England in the 1890s. Many people played table tennis 5. it did not require players to go outdoors. The game was popular 6. many foreign visitors, and soon it spread to many 7. (part) of Europe and Asia.
Many players believe table tennis is not only a physical game but a psychological game. A technique 8. (frequent) used by many players is to stare at the people they are playing against to make 9. (they) feel uncomfortable. Today, players from China, South Korea 10. Germany play leading roles in international table tennis competitions.
高一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1个适当的单词或括号内单词的正确形式。
California is burning! Wildfires have spread (传播) across the US state and smoke 1. (fill) its skies since Oct 23. Take the Kincade Fire in northern California for example. It forced 200,000 people 2. (escape) from its path within one week.
California has seen many 3. (wildfire) in recent years. Why is this? California has the perfect wildfire conditions, Park Williams, 4. is a US climate expert, told The New York Times. It has dry air and high temperatures from spring through late fall. At 5. same time, seasonal winds blow across the state every year, 6. (cause) the wildfires to spread quickly and last for weeks.
Global warming has also made the fires 7. (bad) than before. It has dried out the state’s trees and other plants, which makes them burn 8. (easy). There are also other causes for California’s wildfires. 9., it’s humans that have caused 90 percent of them, according10. the US National Park Service.
高一英语语法填空中等难度题查看答案及解析
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With the 1. (develop) of industry, air pollution is getting more and more serious. In Beijing, many people suffer different kinds of illnesses because 2. air pollution.
Air pollution is caused by the 3.(follow ) reasons: about half of the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off poisonous gases. 25% of air pollution is caused by factories.4. reason is the smokers. Smoking not only does harm to their health 5. to others. Besides these, about 10%of air pollution 6.(cause) by other reasons.
We should take some measures to fight 7. pollution. New fuel can be used 8. ( take ) the place of gas. We can plant more trees. If everybody realizes the 9. (important) of environment and does something to stop pollution, the problem will 10. (solve).
高一英语语法填空中等难度题查看答案及解析
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The organization is called Roots & Shoots because roots move 1. (slow) under the ground to make a firm foundation, and shoots seem small 2. weak, but they can break open brick walls to reach the light. The roots and shoots are you, your friends and young people all around the world. Hundreds and thousands of roots and shoots can 3. (change) the world and make it a better place to live in.
高一英语语法填空中等难度题查看答案及解析
阅读下列短文,根据短文内容填空。在未给提示词的空白处仅填写 1 个适当的单词,在给出提示词的空白处用括号内所给词的正确形式填空。
My favorite color is orange. It is a warm and bright color. And it 1.(make) me feel happy and safe. When I see this color, I think of fall. When I go outside, I enjoy2.(walk) through the dark orange leaves and listening to the sound they make under my feet. I also think of the smell of fire. It's great to be at home and sit by the warm fire with3.(I) family. This warm and beautiful color should be everywhere this season!
高一英语语法填空中等难度题查看答案及解析
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Recently it has been observed that more and more people are switching to organic vegetables and fruits. They are 1. (nature) and safe for the human body to consume. Organic farming 2. (increase) and evolved in a large way due to this large demand by now. Farmers are getting better at the art of 3.(grow) organic vegetables and there are many helpful tips they share with other members of the organic farming circle.4. you are a gardener and interested in growing organic vegetables, 5. is wise to be aware of these tips and choose the best organic garden tip that helps 6. garden to produce healthy and better vegetables.
One helpful organic garden tip that works well for all farmers is 7. (make) your own fertilizer. This is 8. kind of fertilizer made of dry leaves, fruit peelings and kitchen food disposables. These materials are buried underground and kept there 9. some time. With fermentation(发酵)taking place the soil becomes richer with nutrients. This means you get a fertilizer that does not have chemicals at all. This fertilizer enhances the soil and so the vegetables and fruits are 10. (health) and better.
高一英语语法填空中等难度题查看答案及解析