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Scientist...

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 have found a reliable way to lengthen life in lab animals:Reduce the amount of calories(卡路里)they eat.

This method,1.(know)as caloric restriction, has been shown to lengthen life of organisms ( 有 机体 )and reduce some age-related2.(disease).Whether it can do the same in people has been an open question. 3.　 ,a new study suggests that in adults, long-term restriction of calorie intake can have an effect on their health.

The researchers looked at a group of 143 healthy adults who ranged in age4.21 to 50. They were instructed5.(practice)caloric restriction for two years.They could eat the foods they wanted so long as they cut back on the foods they ate,with the aim of6.(cut)the calories they consumed by 25 percent.

Many did not achieve that goal.On average,the dieters managed to cut down about 12 percent of their total calories, or7.(rough)300 calories a day. But the group saw many of their health markers improve. They8.(lose)body fat, their blood pressure fell slightly, and they had better blood sugar control. Meanwhile, another 75 healthy adults 9.　 did not practice caloric restriction saw no 10.　 (improve)in these markers.

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Scientists have discovered that__1. _(stay) in the cold could help us lose weight. Researchers at the University of California found that exposure to the cold increases levels of a protein that helps form brown fat-the type of fat that produces heat and keeps us warm. Brown fat burns energy, ___2.__ helps us lose weight. White fat stores extra energy, which results 3.　　 weight gain. The researchers said that because air conditioning and heating give us constant, __4. _(comfort) temperatures, our body's need for brown fat has decreased. They found that:“Outdoor workers in northern Finland who___ 5. __(expose) to cold temperature have__ 6._ significant amount of brown fat when___7. __(compare) to same - aged indoor workers.”

The research was conducted on two different control groups of mice.__ 8. __group was injected with the protein that helps create brown fat. This group later gained 30% less weight after both groups were fed high - fat diets. The researchers say this could be good news in the fight against obesity. People who are obese have ___9.__(low) levels of brown fat than thinner people. Head researcher Hei Sook Sul said: "This protein could become an important target for research into the treatment and prevention of obesity and obesity - related diseases.” She added: "If you can somehow increase levels of this protein, you could__10.__(possible) lose more weight even if eating the same amount of food.”

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语法填空。

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Among the few scientists who have had a great effect on science and history, Albert Einstein is perhaps the 1.(great). An American university president once commented that Einstein had created2. new view of the universe. His theory has completely changed the way scientists understand time and space. Now, more and more people agree that the universe is something more complicated than 3. they have ever thought before.

Einstein 4. (bear) in Germany in 1879. In 1914, young Einstein, already internationally famous, became a professor at an institute in Berlin. He had few duties, little teaching and unlimited opportunities for study. However, 5. peaceful life was soon broken by the First World War.

Einstein hated violence. He was deeply affected by the war; he sat 6. (happy) in his office doing nothing and 7. (lose) interest in his research. Only when peace came in 1918 was he able to get back to work.

In the years 8. (follow) the First World War, people showered honor upon him. He became the head of the Kaiser Wilhelm Institute of Theoretical Physics. In 1921 he won the Nobel Prize 9. Physics and was greatly honored and respected in Germany. However, his life was again disrupted. The Second World War broke out and Einstein had to moved to the US, 10. he lived until his death in 1955.

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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。

Scientists have discovered that1._________(stay) in the cold could help us lose weight. Researchers at the University of California found that exposure to the cold increases levels of a protein that helps form brown fat — the type of fat that produces heat and keeps us warm. Brown fat burns energy, 2._________ helps us lose weight. White fat stores extra energy, which results 3.____ weight gain. The researchers said that because air conditioning and heating give us constant, 4.__________ (comfort) temperatures, our body's need for brown fat has decreased. They found that: "Outdoor workers in northern Finland who 5._______(expose) to cold temperature have 6._____significant amount of brown fat when 7.________(compare) to same-aged indoor workers."

The research was conducted on two different control groups of mice. 8.__________ group was injected with the protein that helps create brown fat. This group later gained 30% less weight after both groups were fed high-fat diets. The researchers say this could be good news in the fight against obesity. People who are obese have 9.　　　　 (low) levels of brown fat than thinner people. Head researcher Hei Sook Sul said: "This protein could become an important target for research into the treatment and prevention of obesity and obesity-related diseases." She added: "If you can somehow increase levels of this protein, you could 10._________(possible) lose more weight even if eating the same amount of food."

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Chinese Herbal(草本的) Medicine

Genuine Chinese people have found thousands of plants and herbs associated with the 1.（treat）of diseases, so herbal medicine is really 2.large system. Doctors would analyze their nature or property such as “cold and hot” or “yin and yang”, use all sorts of raw 3.（material）, and mix them to cure disease. Thus it is also different from the western medicine.

About the classification, in the Compendium（纲）of Material Medical by Li Shizhen in the Tang Dynasty （618-907）, there are 1892 types 4.（record）. Today we can 5.（brief）divide them into roots, rhizome(根茎), leaf, flower, seeds, grass, vines（藤蔓）, and so on.

Of course these raw（生的） herbs cannot be eaten when put before you; they need your own hand to prepare. 6.　 patients take is decoction（煎汁）of the herbs.

The quality is concerned 7. the decocting jar, quantity of water, and the frequency of decoction. Doctors suggest that water amount　 8.（control）according to the nature of absorbing. Because the herbs bought from the chemist’s are usually dry, most of 9. need to be immersed into the water for 1-3 hours before decocting. The effect after 2 or 3 times’ decoction is 10.（good） than once. The mount patients will take is about 200-300 mi for children and 400-600 ml for adults.

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Chinese net users have found a new way to battle desertification by playing virtual (虚拟的) planting games. Ant Forest, 1. is under Ant Financial of the Alibaba Group, told the Global Times that they had planted over 50 million trees covering about 507 square kilometers across China from 2016 to 2019.

Ant Forest is the first such game in China. In the Ant Forest plan, any activity 2.(consider) low carbon, including walking, taking public transport and online payments, will be converted into virtual “green energy”. The energy will be used to grow a virtual tree in the “forest” of the 3.(user). They exchange 4.for a real tree by paying the corresponding energy. Ant Forest will plant the real trees in spring and autumn each year 5.the help of local authorities in the desert areas. This way of planting trees6. (recognize) on October 23, 2018 by the National Afforestation Committee as7.means for citizens to fulfill their obligation of planting trees.

The Chinese government attaches great8. (important)to the protection of ecosystems. China aims 9.(increase)the forest cover to 23 percent by 2020, and to 26 percent by 2035. A new study using data from NASA satellite shows that the Earth becomes10.(green) as a result of ambitious tree-planting programs in China.

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Scientists found that air pollution may be responsible 1. a big reduction in 2. (intelligent). Research showed that air pollution led to big falls in test 3. (score) for languages and mathematics. The study called "The influence of air pollution on cognitive (认知的)performance"4.(conduct) over four years ago. Researchers analyzed speaking and mathematics tests 5. (take) by 20,000 people of all ages. They said, "Polluted air may do harm to cognitive ability as people become older. "

The study is a warning to the rest of the world ,6.(particular) those in cities. Over 91 percent of the world population live in areas with polluted air,7. is the fourth biggest cause of global deaths. Researchers discovered that the 8.(long) people were exposed to polluted air, the greater their cognitive ability went down. They said air pollution caused a year' s worth of lost education. For those aged over 60, this could be several years. A researcher warned, "There 9.be) no shortcut to solve this issue. Governments really need to take effective measures 10.(reduce) air pollution. "

高三英语语法填空中等难度题查看答案及解析

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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.

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Scientists found that air pollution may be responsible 1. a significant reduction in intelligence. The research conducted by the World Health Organization ( WHO ) in China 2. (show) that air pollution led to big falls in test 3. (score) for languages and arithmetic. The study is called “The impact of exposure to air pollution on cognitive (认知的）performance ”. It was published in the Proceedings of the National Academy of Sciences journal. The study took place over four years. Researchers analyzed speaking and arithmetic tests taken by 20 000 people of all ages. They said， “Polluted air may prevent cognitive ability 4. people become older.”

The study is a warning to the rest of the world, 5. (especial) to those in cities. Over 91 percent of the world population live in areas with 6. (poison) air and air pollution is the 7. (four) highest cause of global deaths. Researchers discovered that 8. longer people were exposed to polluted air，the greater their intelligence went down. They said air pollution caused a year’s worth of lost education. For those 9. were over 60 years old，this could be several years. A researcher warned，“There is no shortcut 10. (solve) this issue. Governments really need to take effective measures to reduce air pollution.”

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Ireland，Japan，China scientists share the 2015 Nobel Prize for medicine．William Campbell，Satoshi Omura and Tu Youyou jointly won the prize 1.　　　 their work against diseases，the award-giving body said on Monday．

Campbell 2.　　　　 Ireland and Japanese Omura won half of the prize for a new drug，3.　　　　　 has helped the battle against river blindness，as well as showing 　 4.　　 (power)effect against other diseases．

The Chinese scientist Tu Youyou also discovered artemisinin(青蒿素)，a drug that has 5.　　　　　　 (sharp)reduced the death rates for patien6.　　 (suffer)from malaria(疟疾)．She is also the first Chinese citizen 7.　　　 (win)the Nobel Prize for medicine．The prize winning is 　 8.　　　　　 honor for China’s science cause and traditional Chinese medicine．

“These two9.　　　　 (discover)provide humankind with a new way to fight these diseases that affect hundreds of millions of people annually．The award for Tu Youyou is the result of a major change in the way China performs scientific research. China 　 10.　　　　 (spend)a lot of money on such research over the past years，”a member of the Nobel committee said．

高三英语语法填空中等难度题查看答案及解析