阅读下列材料，在空白处填入适当的内容(一个单词)或括号内单词的正确形式。
Researchers in China have explained why basking (沐浴)in the sun can make people smart. It is known to everybody that the sun is very important and nothing in the world can survive 1.it. Science has already proved that sunny days can help 2.(strong) a person’s mood, intelligence and memory.
A team at the University of Science and Technology of China in Hefei, Anhui province discovers that UV light, an element of sunshine, makes a change in the brain that can make 3.(we) smarter.
Tests on mice show that moods and learning can be improved due to enough exposure to UV light, according to Xiong Wei, 4.professor at the university 's School of Life Sciences who led the study. He says that mice 5.(expose) to UV light, which is equal to 20 to 30 minutes of midday sun in Florida in summer. Exposure to UV light 6.(increase) the level of a substance in blood, which reacts with brain cells 7.(promote) functions such as learning and memory. Xiong says previous research has 8.(actual) found that this substance will change in our body and do good to our 9.(fit), but this is the first time that it has been showed that the process can happen in the brain, which is a finding 10.surprises the team.
高三英语语法填空中等难度题
阅读下列材料，在空白处填入适当的内容(一个单词)或括号内单词的正确形式。
From the “Roman Warm Period” to the “Little Ice Age” that began in the 14th century, periods of hot and cold weather1. (extend) for centuries. As a result, many have argued that the current period of global warming2.(be) part of a natural pattern and the human role in creating3. has been exaggerated.
This new study suggests that is not4. case. Scientists reconstructed the major climate events of the past 2,000 years by looking around 700 records, tree rings, ice cores and lake sediments(沉淀物) 5. (include). Not one single event affected as much of the world6.the present period of warming is now doing. Other scientists7. have looked at the study have been impressed by the quality of the research.
The researchers involved argue that the new 8. (finding) reveal many theories put forward by climate scientists9. (explain) the rise in temperatures, including changes in solar activity. The current period of climate change is mainly down to humans, they insist. Natural causes, they say, are10. (simple) not sufficient to explain the warming scene over the last century and a half.
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或括号内单词的正确形式。
The Chinese government has decided to end its one-child per family policy and let families have two children. A statement gives the reasons for the change, ___1.___ (say) it is meant to balance population development, stop a declining birth rate and strengthen the country’s work force.
China ___2.__ (carry)out the one-child policy in 1980. But the government permitted a small number of __3.___ (couple) to have two children. For example, some rural families were given approval to have two children if the first-born was a girl. In 2013, the government permitted other families to have two if one parent was __4.__ only child.
A teacher and population expert, Jiang Quanbao, explains how Chinese families will react __5._ the policy. “Many young people in the cities are ___6.___ (probable) not interested in having a second child,” he says. “People in rural villages may be __7.__ (much) interested, but some of them are already allowed to have two children.”
At the end of 2014, China had a population of 1.37 billion people, a total of 800 million of __8.___ are employed. But that job market population is expected ___9.___(drop) by 2050. With the two-child policy, the labo10.__ (short) will be relieved, starting in 20 years.
高三英语语法填空困难题查看答案及解析
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。
Scientists from the University of Illinois, US, divided several students 1.four groups. The students2.(ask) to do certain tasks involving3.(create) thinking, to different volumes of back-ground noise.
They found that the students did best when 4.(work) under moderate noise-70 decibels(分贝), 5.is about the same level as6.(find) in a cafe. Students did worse in low noise-50 decibels, the volume of a quiet room-and did the7.(poor) when in a high-noise environment-85 decibels, the noise level of a factory.
8.a high level of noise distracts people, moderate noise can9.(actual) increase creativity. “It helps you think outside the box, ”Raci Mehta, a lead researcher in the study, told The New York Times.
However, working in a very quiet place can10.(strong) our focus, and it is good for doing detailed things like proofreading(校对) a paper.
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。
A Brave Maid
A wooden vase from the Ming Dynasty at the entrance of the reception hall 1. (amaze) everyone. The artists designed it in a rare style and selected 2. (value) jewels to decorate it. People thought highly 3. its fancy colour of honey and the beautiful 4. (paint ) on it.
The vase used to belong to a former castle. But when the country was at war, the enemy troops exploded the castle. Debates on how the vase survived went on and on. In order 5. (remove) people’s doubt, a team of no less than 20 people carried out6. informal investigation. The evidences they found 7. (show) a maid took the vase apart and asked a sailor to sink it in a local well. 8. never gave away the secret even under the cruel trial of the enemies 9. were in search of treasures.
It is worth 10. (give) this brave maid a fortune in return.
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。
Lionel Messi，a player from the South American country of Argentina, 1. (be)the greatest soccer player alive today．At a young age，he 2. (move)to Spain and now plays professionally for the Barcelona soccer club．Messi started playing soccer at 3. age of 5 for a small soccer team 4. (own)by his father．Even as a young boy,he did very well．But when he was 11 years old, he found out he had a sickness which would prevent him5. growing much taller. There was a way to help him grow more，6. his parents did not have enough money to pay for his medical needs．So，they looked around for a Soccer club 7. would be able to do this for them．The clubs in Argentina couldn’t help him，but the famous Barcelona club in Spain offered 8.(accept)Messi on the junior team and pay for the bills．The Messi family 9. (happy)took the offer and moved to Spain．In the Barcelona soccer club，Messi was one of the best 10. (player) through his teen years．With his incredible talent，Messi has surprised the world．
高三英语语法填空困难题查看答案及解析
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。
During my recent travels in China, I went from the top to the bottom of the country. I was astonished at 1. different the weather was in different cities.
The weather was 2. (freeze) cold in Harbin, but felt much warmer in Shanghai, Guilin, Qingdao and Yangshuo. Each place has a different feel and allows you 3. (experience) different things.
In Qingdao, we ate seafood, drank beer and even swam in the sea. In Harbin, we wore our warmest jackets and saw the 4. (amaze) ice and snow sculptures (雕塑).
Shanghai reminded me 5. a city in Europe or America. There are lots of Western cafes.
Guilin was a good place to be touring around during Spring Festival. Fireworks 6. (fill) the sky and the streets were busy with happy people. I visited several old buildings and walked around a beautiful lake.
But Yangshuo 7. (be) my favorite place so far. I could not stop taking 8. (photo) of the beautiful mountains and the Lijiang River. I rode a bicycle along the Yulong River in the warm sun. I ate strawberries and drank tea that came from farms in the mountains.
Now, I am back in Beijing. I am looking forward to 9. next trip. I think I 10. (go) to another warm place!.
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“selfie”is used to describe the self-taken photo，often from a smartphone．Someone takes about 10 selfies each time he does，and he only ends up___1.___（post）one or two of those．He picks the one that he feels make him look the___2.__（good）．In that picture，he gains confidence．For that moment，everything bad or terrible that has happened to him___3.__（remove），because that smile is what gives him the___4.___（determine）to love himself．
I read__5.___poem recently and the young man said，“If I ask you__6.____you love，the answers will most likely roll off your tongue．You love to read．You love to write．You love your mom，you daughter，or your best friend．How long do you think you can go on and on before you say ‘I love___7.___（I）’？”
That statement hit me like a ton of bricks．I’ve struggled with confidence all my life．I still do．And in__8.___way am I saying that taking a selfie is a gateway___9.__confidence． __10.___，the selfie does deserve some credit for allowing individuals to express themselves．
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。
On December 19th, 2010, an airbus took off from the capital airport of Saudi Arabia. After about an hour’s flight, something 1. (believe) happened on the plane. The air hostess was about to serve lunch 2. a small mouse stole out from the bag of a young man, which frightened the young woman nearby and she shouted loudly. Then more and more mice came out of 3. bag. 4. (catch) by surprise, the other passengers all shouted in panic. The steward managed to get in touch with the control center on the ground. With the order from the ground, the plane 5. (success) landed at the nearest airport. As soon as the plane was on the ground, all the passengers got off. Then seven specialists got on the plane 6. (kill) the mice. Many means had been tried but 7. of them were good enough.
At last, they tried to fill in the plane 8. carbon-dioxide, which poisoned all the mice. It 9. (report) that the young man wanted to carry the mice to another city and sell them as 10. (pet), but he didn’t expect they succeeded in escaping from the bag.
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。
One sentence from the news in Washington has remained in my mind since a trip last summer: “When you see people run against the crowd escaping 1. the danger, they are 2. (probable) firefighters, police or journalists.”
I think this is most true for the firefighters. Whenever and wherever 3. (disaster) happen — 9/11 Attacks in New York 14 years ago or the explosion in Tianjin on Wednesday night — it is always the firefighters 4. take the lead to run to the very center, saving lives by 5. (risk) their own. I cried today near the explosion site, not because of the smoke from the ongoing fire 6. because of a short message a firefighter sent to a trusted friend that went viral online. It reads, “If I cannot make it, my father is 7. (you) father; and please remember 8. (sweep) my mother’s tomb.” I was thrilled later to learn that he did make it.
“Everyone knows it’s 9. (danger) to be a firefighter. But he has always liked it and has done it for 12 years,” his father said. “He survived this time, but no one knows what 10. (happen) next time.”
高三英语语法填空中等难度题查看答案及解析