Study on the Anomaly of Small Earthquake Activity Before Moderate-strong Earthquake in the North

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小学下册U卷英语第二单元真题试卷

小学下册英语第二单元真题试卷英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.She is _______ (聪明的) and kind.2.Hawaii is an example of a __________.3.What do you wear to keep your head warm?A. ScarfB. GlovesC. HatD. Socks4.We celebrate _____ (生日) with cake.5.I see a ______ in the garden. (flower)6.Basalt is an example of a ______ rock that forms from lava.7.What is the currency used in the USA?A. EuroB. YenC. DollarD. PoundC8.In school, my favorite subject is _______ (科目). I enjoy _______ (活动) with my friends during the _______ (时间段). We often play _______ (运动) together.9.What do we call the person who works on a farm?A. FarmerB. GardenerC. RancherD. ForesterA10.What do you call a story with animals that talk?A. Fairy taleB. FableC. BiographyD. Novel11.Flowers bloom in ______ (春天).12.My brother plays ______ games. (我哥哥玩______游戏。

Study on the Properties of the Ionosphere

Study on the Properties of theIonosphereIntroductionThe ionosphere is a region of the Earth's atmosphere that contains ionized gases, mainly oxygen and nitrogen. This region extends from about 60 to 1,000 kilometers above the Earth's surface. The ionosphere plays an important role in the communication, navigation and study of space weather phenomena. In this article, we will discuss the properties of the ionosphere, including its composition, structure and dynamics.Composition of the IonosphereThe composition of the ionosphere varies with altitude. At lower altitudes, the ionosphere is dominated by atomic and molecular oxygen (O and O2), while at higher altitudes, ionized nitrogen (N+) and molecular nitrogen (N2) become more prevalent. The ionization of these gases is caused by solar radiation, which strips electrons from the atoms and molecules in the upper atmosphere.The ionosphere is also known for its layers, which are distinguished by their electron density profiles. The lowest layer is called the D-layer, located at about 60 to 90 kilometers above the Earth's surface. This layer is densest during the day due to ionization by ultraviolet radiation from the Sun. At night, the D-layer becomes less dense due to recombination.Above the D-layer is the E-layer, located at about 90 to 120 kilometers above the Earth's surface. This layer is most active during the day and is responsible for reflecting radio waves with frequencies between 1 and 10 MHz.The F-layer is the highest layer of the ionosphere, located at about 200 to 1,000 kilometers above the Earth's surface. This layer is further divided into the F1 and F2 layers, with the F2 layer being the most important for communication purposes. The F2 layer is responsible for reflecting radio waves with frequencies between 3 and 30 MHz.Structure and Dynamics of the IonosphereThe structure of the ionosphere is influenced by a variety of factors, including solar radiation, geomagnetic activity and wind patterns. These factors can cause variations in the electron density, which can in turn affect communication and navigation systems.For example, during times of high solar activity, the ionosphere can become more ionized, leading to increased absorption of radio waves and disruption of communication and navigation systems. Similarly, geomagnetic storms can cause the ionosphere to change its shape, making it more difficult for signals to pass through.Wind patterns can also affect the ionosphere by causing variations in temperature and pressure. These variations can lead to changes in electron density and can cause the formation of structures such as plasma bubbles, which can interfere with satellite communication.ConclusionThe ionosphere is a complex region of the Earth's atmosphere that plays an important role in communication, navigation and the study of space weather phenomena. Its composition, structure and dynamics are influenced by a variety of factors, including solar radiation, geomagnetic activity and wind patterns. Understanding the properties of the ionosphere is crucial for the development and operation of communication and navigation systems, and for the study of the Earth's upper atmosphere.。

海洋研究的重要性英语作文简单句

海洋研究的重要性英语作文简单句英文回答：The study of the ocean is of paramount importance for several reasons. Firstly, the ocean covers over 70% of the Earth's surface, making it the largest ecosystem on the planet. It is home to an incredibly diverse array of life forms, from microscopic plankton to massive whales. Studying the ocean helps us understand the intricate workings of this vast ecosystem and the role it plays in maintaining the balance of life on Earth.Secondly, the ocean is a major source of food and other resources for humans. Fish, shellfish, and other marine organisms provide sustenance for billions of people around the world. The ocean also contains vast reserves of minerals and other resources, such as oil and gas. By studying the ocean, we can better understand how to sustainably manage these resources and ensure their availability for future generations.Thirdly, the ocean plays a crucial role in regulating the Earth's climate. The ocean absorbs carbon dioxide from the atmosphere, helping to mitigate the effects of climate change. It also regulates the Earth's temperature by absorbing and releasing heat. Studying the ocean helps us understand how these processes work and how they may be affected by human activities.Finally, the ocean is a source of beauty and wonder.Its vast expanse, teeming with life, has inspired awe and admiration in humans for centuries. Studying the ocean helps us appreciate its beauty and value, and encourages us to protect and preserve this precious resource.中文回答：海洋研究的重要性。

备考2023年高考英语二轮专题：阅读理解(自然与环保)

备考2023年高考英语二轮专题：阅读理解（自然与环保）一、阅读理解(共40题；共80分)阅读下列短文，从每题所给的四个选项（A、B、C 和D）中，选出最佳选项。

Curtin University research has found a simple and affordable method to determine which chemicals and types of metals are best used to store and supply energy, in a breakthrough for any battery-run devices and technologies relying on the fast and reliable supply of electricity, including smart phones and tablets.Lead author Associate Professor Simone Ciampi from Curtin's School of Molecular and Life Sciences said this easy, low-cost method of determining how to produce and keep the highest energy charge in a capacitor (电容器) could be of great benefit to all scientists, engineers and start-ups looking to solving the energy storage challenges of the future."All electronic devices require an energy source. While a battery needs to be recharged over time, a capacitor can be charged instantly because it stores energy by separating charged ions (离子), found in ionic liquids, " Ciampi said.There are thousands of types of ionic liquids, a type of "liquid salt", and until now, it was difficult to know which would be best suited for use in a capacitor. What our team has done is designing a quick and easy test, able to be performed in a basic lab, which can measure both the ability to store charge when a solid electrode touches a given ionic liquid—a simple capacitor—as well as the stability of the device when charged."The simplicity this test means anyone can apply it without the need for expensive equipment. Using this method, researchers found that charging the device for 60 seconds produced a full charge, which did not ‘leak' (渗漏) and begin to diminish for at least four days, " Mr Belotti said.The next step is to use this new screening method to find ionic liquid with an even longer duration in the charged state and larger energy density.1．（2分）What can the new method be used to do in the future?A．Help to choose smart phones.B．Find materials used as energy.C．Research energy sources of the future.D．Settle the problem of storing energy.2．（2分）What was the challenge in making a capacitor?A．Choosing the best ionic liquid.B．Figuring out the storing ability.C．Devising a quick and easy test.D．Recharging a battery instantly.3．（2分）What does the underlined word "diminish" in paragraph 5 probably mean?A．Charge.B．Develop.C．Decrease.D．Expand.4．（2分）What would be a suitable title for the text?A．The Importance of Selecting Ionic LiquidB．A Good Method to Seek Perfect Ionic LiquidC．Types of Ionic Liquids for Use in a CapacitorD．A Simple and Affordable Battery阅读短文，回答问题When a chunk of ice fell from a collapsing glacier(冰川)on the Swiss Alps' Mount Eiger in 2017, part of the long deep sound it produced was too low for human ears to detect. But these vibrations held a key to calculating the ice avalanche's(崩塌)critical characteristics.Low-frequency sound waves called infrasound that travel great distances through the atmosphere are already used to monitor active volcanoes from afar. Now some researchers in this field have switched focus from fire to ice: dangerous blocks snapping off glaciers. Previous work has analyzed infrasound from snow avalanches but never ice, says Boise State University geophysicist Jeffrey Johnson. "This was different," Johnson says. "A signature of a new material has been detected with infrasound."Usually glaciers move far too slowly to generate an infrasound signal, which researchers pick up using detectors that track slight changes in air pressure. But a collapse—a sudden, rapid breaking of ice from the glacier's main body—is a prolific infrasound producer. Glacial collapses drive ice avalanches, which pose an increasing threat to people in mountainous regions as rising temperatures weaken large fields of ice. A glacier "can become detached from the ground due to melting, causing bigger break— offs," says University of Florence geologist Emanuele Marchetti, lead author of the new study. As the threat grows, scientists seek new ways to monitor and detect such collapses.Researchers often use radar to track ice avalanches, which is precise but expensive and can monitor only one specific location and neighboring avalanche paths. Infrasound, Marchetti says, is cheaper and can detect break—off events around a much broader area as well as multiple avalanches across a mountain. It is challenging, however, to separate a signal into its components (such as traffic noises, individual avalanches and nearby earthquakes) without additional measurements, says ETH Zurich glaciologist Malgorzata Chmiel. "The model used by Marchetti is a first approximation for this," she says. Isolating the relevant signal helpsthe researchers monitor an ice avalanche's speed, path and volume from afar using infrasound.Marchetti and his colleagues are now working to improve their detectors to pick up more signals across at-risk regions in Europe, and they have set up collaborations around the continent to better understand signals that collapsing glaciers produce. They are also refining their mathematical analysis to figure out each ice cascade's physical details.5．（2分）What can we learn from Paragraph 2 and Paragraph 3?A．Infrasound has a major role to play in discovering new materials.B．Ice avalanches are a bigger threat to people than volcanic eruptions.C．Researchers are trying to use infrasound in detecting ice avalanches.D．Scientists employ infrasound more in mountain areas than in other places.6．（2分）Which is an advantage of infrasound over radar?A．The combination with other relevant signals.B．The accuracy in locating a certain avalanche.C．The ability in picking up signals in wider areas.D．The sensitivity in tracking air pressure changes.7．（2分）The underlined word "this" in Paragraph 4 refers to________.A．distinguishing different components of a signalB．detecting multiple avalanches at the same timeC．calculating the speed and path of ice avalanchesD．monitoring the specific location of ice break—offs8．（2分）Which of the following would be the best title for the passage?A．From Fire to Ice B．Glacier WhispersC．Nature is Warning D．Secret of Ice Avalanches阅读理解Hoping to live on the moon one day? Your chances just got a tiny bit better. Researchers found that lunar pits and caves reach stable temperatures, making them potentially suitable for human life.Planetary scientists at the University of California, Los Angeles have been doing the research. Although much of the moon's surface temperatures ranges from as high as 260 degrees during the day to as low as 280 degrees below zero at night, the moon has pits and caves where temperatures stay at roughly 63 degrees Fahrenheit, making human habitation a possibility, according to their new research.For perspective, a day or night on the moon equals a little over two weeks on the earth—making long-term research and habitation difficult with such extremely hot and cold temperatures. Researchers say these stable spots could transform the future of lunar exploration and long-term habitation. The shadowed areas of these pits could also offer protection from harmful elements, such as solar radiation, universal rays and micrometeorites (微小陨石).About 16 of the over 200 discovered pits most likely come from collapsed lava tubes—tunnels that form from cooled lava or crust, according to Tyler Horvath, a UCLA doctoral student and head of the research. The researchers think overhangs inside of these lunar pits, which were initially discovered in 2009, could be the reason for the stable temperature.The research team also includes UCLA professor of planetary science David Paige and Paul Hayne at the University of Colorado Boulder. "Humans evolved living in caves, and to caves we might return when we live on the moon," said Paige in a UCLA press release.There are still plenty of other challenges to establishing any sort of long-term human residence on the moon—including growing food and providing enough oxygen. The researchers made clear that NASA has no immediate plans to establish a base camp or habitations there.9．（2分）What did the researchers find?A．Humans like the life on the moon.B．People lived in lunar pits and caves.C．Steady temperature exists somewhere on the moon.D．Temperatures in caves and pits vary a lot on the moon.10．（2分）What do the shadowed areas act as protection against?A．Solar heat.B．Harmful liquids.C．Universal gases.D．Micrometeorites.11．（2分）What does the underlined word "evolved" probably mean in paragraph 5?A．Appeared.B．Developed.C．Hunted.D．Escaped.12．（2分）Why does NASA not establish any habitation there at present?A．It has no such plans.B．Food there tastes bad.C．Many challenges exist.D．There is no oxygen.阅读理解A new study combining linguistic, genetic and archaeological evidence has traced the origins of thefamily of languages including modern Japanese, Korean, Turkish and Mongolian and the people who speak them to millet (粟) farmers who inhabited a region in northeastern China about 9, 000 years ago.The findings detailed on Wednesday document a shared genetic ancestry for the hundreds of millions of people who speak what the researchers call Transeurasian languages across an area stretching more than 8, 000 kilometers.The findings illustrate how humankind's embrace of agriculture following the Ice Age powered the movements of some of the world's major language families. Millet was an important early crop as hunter-gatherers transitioned to an agricultural lifestyle.There are 98 Transeurasian languages. This language family's beginnings were traced to millet farmers in the Liao River valley, an area including parts of the Chinese provinces of Liaoning and Jilin and the region of Inner Mongolia. As these farmers moved across northeastern Asia, the descendant languages spread north and west into Siberia and east into Korea and over the sea to Japan over thousands of years.The research stressed the complex beginnings for modern populations and cultures."Accepting that the roots of one's language, culture or people lie beyond the present national boundaries is a kind of surrender of identity, which some people are not yet prepared to make," said comparative linguist Martine Robbeets, lead author of the study published in the journal Nature."Powerful nations such as Japan, Korea and China are often pictured as representing one language, one culture and one genetic profile. But a truth is that all languages, cultures and humans, including those in Asia, are mixed," Robbeets added.The origins of modem Chinese languages arose independently, though in a similar fashion, with millet also involved. While the ancestors of the Transeurasian languages grew millet in the Liao River valley, the originators of the Sino-Tibetan language family farmed millet at roughly the same time in China's Yellow River region, paving the way for a separate language expansion.13．（2分）What is the new study mainly about?A．The migration routes of millet farmers.B．The ancient origins of a large language family.C．The different ancestries of Transeurasian speakers.D．The shared features of some neighboring languages.14．（2分）What fueled the spread of Transeurasian languages?A．The transition of power.B．The diversity of lifestyles.C．The interaction of cultures.D．The adoption of farming.15．（2分）According to Robbeets, who may feel uncomfortable about the new findings?A．Those from agricultural countries.B．Those who deny their cultural identity.C．Those with a strong sense of nationalism.D．Those who are afraid to cross boundaries.16．（2分）What is the main function of the last paragraph?A．To draw a conclusion.B．To present likely consequences.C．To highlight the theme.D．To offer additional information.阅读理解A "secretive" new species of frog has been discovered on the forest floor in India's Western Ghat mountain range. Named the starry dwarf frog after the markings on its dark brown back, it is just 2 centimeters long.The frog, whose closest relatives are a group of species native to India and Sri Linka, is the only member of an ancient lineage (血统) dating back to millions of years ago, according to researchers from India and the US. It is unclear whether the species is descended from African or Asian frogs.A group of Indian and US researchers first came across the local species hidden in leaf-litter as part of a wider project to look for new frogs, lizards and snakes in the richly biodiverse region and stored it in a jar for later study. Genetic testing and a closer look at its shape, colouring and other features has shown that it doesn't match any existing species.Kartik Shanker of the Indian Institute of Science, who helped design the study, says while it is common to find new frogs in India, this one needs to be noticed. "This particular species not just is a new species, but also belongs to a new genus (属), and that makes it a little more special, " says Shanker.The number of known species of frog identified in India has climbed from around 200 to above 400 over the past two decades. While many species new to science are frequently immediately sorted as endangered, it is too early to say whether the starry dwarf frog is threatened. "They are very secretive," says Shanker, adding that the team didn't know the size of its population. The frog is active at night and lives near water.Habitat loss is a serious risk to frogs in tropical forests around the world, alongside threats such as a deadly fungus (真菌) that has been killing off amphibians (两栖动物) for the past four decades. But the newspecies was found in a reserved forest, meaning it will enjoy a degree of protection by Indian government agencies.17．（2分）What can we learn from paragraph 3?A．The species was discovered by tourists.B．The species was found in a rich region.C．The species was finally set free.D．The species was further studied.18．（2分）What can we say about the new frog?A．It is in small quantities.B．It is an endangered species.C．It is well worth attention.D．It is related to African or Asian frogs.19．（2分）What can be inferred from the last paragraph?A．Habitat loss is the chief threat to frogs.B．The new species may face less dangers.C．Tropical forests in India are all under protection.D．The Indian government determines to save frogs.20．（2分）Which of the following is a suitable title for the text?A．A rare frog species protected in IndiaB．A rise in species of frog seen in IndiaC．A secretive frog species discovered in IndiaD．A risk of habitat loss for frogs removed in India阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。

研究海洋的重要性英语作文

研究海洋的重要性英语作文The Importance of Studying the OceansThe oceans cover more than 70% of the Earth's surface and play a vital role in the planet's ecosystem. They are home to a vast array of marine life, regulate the global climate, and provide essential resources for human activities. As such, the study of the oceans is of paramount importance, and it is crucial that we continue to expand our understanding of these vast and complex systems.One of the primary reasons why the study of the oceans is so important is the role they play in regulating the global climate. The oceans absorb a significant amount of the Earth's heat, and they also play a crucial role in the water cycle, with evaporation from the oceans providing much of the moisture that falls as precipitation on land. This means that the oceans have a profound impact on weather patterns and climate across the globe, and understanding these processes is essential for predicting and responding to the effects of climate change.In addition to their role in the climate system, the oceans also provide a wealth of resources that are essential for human survivaland well-being. The oceans are a major source of food, with millions of people around the world relying on seafood as a primary source of protein. They also provide a range of other resources, such as minerals, energy sources, and even potential sources of new medicines and other valuable compounds.Despite the importance of the oceans, they remain poorly understood in many ways. Much of the ocean floor remains unmapped, and there is still a great deal of uncertainty about the complex interactions between the physical, chemical, and biological processes that shape the oceans. This lack of knowledge makes it difficult to effectively manage and protect these vital resources, and it also limits our ability to predict and respond to the effects of human activities on the oceans.To address these challenges, researchers around the world are engaged in a wide range of studies aimed at expanding our understanding of the oceans. These studies involve a variety of techniques, including field observations, remote sensing, and computer modeling, and they cover a broad range of topics, from the physical and chemical properties of the oceans to the complex interactions between marine ecosystems and the human activities that impact them.One area of particular importance in the study of the oceans is thefield of marine biology. Marine biologists study the diverse array of organisms that live in the oceans, from microscopic plankton to massive whales, and they are working to understand the complex relationships and interdependencies that exist within marine ecosystems. This knowledge is essential for developing effective strategies for managing and protecting these ecosystems, which are under increasing threat from a range of human activities, including overfishing, pollution, and climate change.Another important area of study in the field of oceanography is the physical and chemical processes that shape the oceans. Oceanographers study the movement of ocean currents, the distribution of temperature and salinity, and the chemical composition of seawater, among other things. This knowledge is essential for understanding the role of the oceans in the global climate system, as well as for developing effective strategies for managing and protecting marine resources.In addition to these more traditional areas of study, there is also growing interest in the potential of the oceans to provide new sources of energy and other valuable resources. For example, researchers are exploring the possibility of extracting energy from the oceans through technologies such as wave and tidal power, as well as the potential of deep-sea mining to access valuable minerals and other resources. While these technologies are still in the earlystages of development, they hold the promise of providing new sources of energy and resources that could help to meet the growing demands of a rapidly expanding global population.Overall, the study of the oceans is a critical area of research that has far-reaching implications for our understanding of the planet and our ability to manage and protect its vital resources. By continuing to expand our knowledge of the oceans, we can better understand and address the complex challenges that we face in the 21st century, from climate change to sustainable resource management. It is clear that the oceans will continue to play a central role in the future of our planet, and the study of these vast and complex systems will be essential for ensuring a sustainable and prosperous future for all.。

建议研究自然科学的英语作文

建议研究自然科学的英语作文The Allure of Natural Sciences: A Journey into the Enigmatic Realm of the Physical World.The natural sciences, an umbrella term encompassing a vast array of disciplines, beckon curious minds with the promise of unraveling the intricate tapestry of the universe. From the celestial expanse to the molecular microcosm, these fields offer a gateway to understanding the fundamental laws governing our existence. Embarking on a journey into the natural sciences not only expands our knowledge but also cultivates a profound sense of wonder and intellectual fulfillment.Physics: The Foundation of the Universe.At the heart of the natural sciences lies physics, the study of matter and energy. Physicists seek to comprehend the fundamental principles that govern the behavior of the universe, from the subatomic realm to the cosmic scale.Through meticulous experimentation and theoretical analysis, they have uncovered the laws of motion, gravity, and electromagnetism, providing a framework for understanding the physical world around us.The pursuit of physics is not merely an academic endeavor; it has played a pivotal role in shaping our technological advancements. From the invention of the telescope to the development of the computer, physics has been the driving force behind many of humanity's greatest achievements. By understanding the laws of the universe, we gain the ability to harness its power and create innovative solutions to real-world problems.Chemistry: The Dance of Molecules.Chemistry, the study of matter at the molecular level, complements physics by exploring the interactions between atoms and molecules. Chemists delve into the electronic structure, bonding behavior, and reactivity of chemical substances. Their discoveries have led to the developmentof new materials, medicines, and industrial processes,transforming various aspects of our daily lives.Chemistry is not limited to the laboratory; it permeates all aspects of our existence. The food we eat,the clothes we wear, and the air we breathe are all governed by chemical principles. By understanding the intricacies of chemistry, we gain a deeper appreciation of the world around us and the interconnectedness of allliving things.Biology: The Symphony of Life.Biology, the study of life, delves into the fascinating realm of living organisms. Biologists explore the structure, function, and evolution of plants, animals, and microorganisms, seeking to unravel the mysteries of the natural world. From the genetic basis of inheritance to the intricate web of ecological interactions, biology providesa comprehensive understanding of the diversity and interconnectedness of life on Earth.The insights gained from biological research have had aprofound impact on human health, agriculture, and environmental conservation. Advances in medicine, such as the development of vaccines and antibiotics, have saved countless lives. Agricultural research has led to increased crop yields, ensuring a sustainable food supply for a growing population. And ecological studies have highlighted the importance of preserving biodiversity and protecting our planet's delicate ecosystems.Earth Sciences: Exploring Our Home.Earth sciences, encompassing disciplines such as geology, oceanography, and meteorology, focus on understanding the dynamic processes that shape our planet. Geologists study the composition, structure, and history of the Earth's crust, providing insights into plate tectonics, volcanism, and the formation of mountains and oceans. Oceanographers explore the vast expanse of the world's oceans, unraveling the mysteries of marine ecosystems, ocean currents, and the role of the ocean in regulating Earth's climate. Meteorologists study the atmosphere, predicting weather patterns, tracking storms, andunderstanding the impact of human activities on the climate system.Earth sciences are crucial for addressing global challenges such as climate change, natural disasters, and resource management. By studying the processes that shape our planet, we gain the knowledge and tools necessary to mitigate environmental threats and ensure a sustainable future for generations to come.The Enduring Power of the Natural Sciences.The natural sciences have played an invaluable role in shaping human civilization throughout history. They have provided us with a profound understanding of the universe, empowered us with technological advancements, and enabled us to address some of the most pressing challenges facing our planet. As we continue to explore the enigmatic realm of the natural world, the sciences will undoubtedly continue to inspire awe, spark curiosity, and drive progress for years to come.Embarking on the Journey.Embracing the study of the natural sciences is an invitation to embark on a lifelong journey of discovery and intellectual growth. Whether pursuing a career inscientific research, engineering, medicine, or environmental conservation, a strong foundation in the sciences is an invaluable asset. It cultivates critical thinking, problem-solving abilities, and a deep appreciation for the complexities of the natural world.For those aspiring to explore the natural sciences, numerous pathways are available. High school courses in physics, chemistry, biology, and earth science provide a solid foundation. Beyond high school, universities and colleges offer a wide range of undergraduate and graduate programs specializing in various disciplines within the natural sciences.The path of scientific discovery is not without its challenges, but it is a path paved with rewards. The satisfaction of unraveling nature's secrets, the thrill ofmaking new discoveries, and the knowledge that you are contributing to the collective human understanding of the universe are experiences that few other endeavors can match.As you embark on this journey, remember that thenatural sciences are not merely a collection of facts and formulas; they are a testament to the enduring human spirit of curiosity and the insatiable thirst for knowledge. By immersing yourself in the study of the natural world, you are not only enriching your own life but also contributingto the advancement of human understanding and the well-being of our planet.。

锦州2024年小学6年级下册第3次英语第二单元全练全测(含答案)

锦州2024年小学6年级下册英语第二单元全练全测(含答案)考试时间：100分钟（总分:140）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、填空题：My teacher gives us ____.2、听力题：A __________ is a geological feature that can impact ecosystems and human activities.3、听力题：My mom makes the best ________.4、听力题：The study of Earth's geology is essential for understanding ______ resources.5、听力题：The __________ is a large area of land that is not flat.6、听力题：She can ________ fast.7、What do we call the distance around a circle?a. Areab. Circumferencec. Radiusd. Diameter答案:B8、What is 15 - 5?A. 10B. 11C. 12D. 13答案：A9、What is the chemical formula for carbon dioxide?A. CO2B. O2C. H2OD. CH4答案:A10、填空题：The _____ (植物) has a unique shape.11、填空题：I enjoy going outside when it’s __________. (阳光明媚的)12、What is the capital of the USA?A. New YorkB. Washington, D.C.C. Los AngelesD. Chicago答案: B13、What is the name of the famous mountain in Africa?A. Mount EverestB. Mount KilimanjaroC. Mount FujiD. Mount McKinley答案: B14、填空题：I call my friend’s dad __________. (叔叔)15、听力题：I have _____ (one/two) brother.16、Which instrument has keys and is played by pressing them?A. GuitarB. PianoC. ViolinD. Drum答案:B17、听力题：The _______ can help reduce stress and anxiety.18、填空题：My grandfather made a wooden _________ (玩具) for me when I was a baby.19、What is the term for a person who studies the weather?A. MeteorologistB. GeologistC. BiologistD. Astronomer答案: A20、Which of these is a type of bird?A. SalmonB. SparrowC. FrogD. Lizard答案: B21、What is the capital of Paraguay?A. AsunciónB. Ciudad del EsteC. EncarnaciónD. Pedro Juan Caballero答案: A22、听力题：A chemical change produces new ______.23、听力题：A ______ is a systematic approach to understanding phenomena.24、What is 9 2?A. 5B. 6C. 7D. 8答案: C25、听力题：A catalyst lowers the ______ of a reaction.26、听力题：Air pressure is the weight of air above us ______.27、填空题：My sister enjoys __________ (参加) workshops and classes.28、What is the name of the famous tower in Paris?A. Eiffel TowerB. Big BenC. Leaning Tower of PisaD. Tokyo Tower答案:A29、填空题：The squirrel climbs the ______.30、Which gas do plants use for photosynthesis?A. OxygenB. Carbon DioxideC. NitrogenD. Hydrogen答案：B31、填空题：A ______ (干旱) period can stress many plant species.32、填空题：Photosynthesis is a process that plants use to convert _______ into energy. (光能)33、听力题：My dad likes to watch ____ (movies) on weekends.34、填空题：The _____ (灌木) provide shelter for small animals.35、听力题：The chemical formula for calcium sulfate is _____.36、听力题：The _____ (牛仔裤) fit well.37、What is the capital of Argentina?A. SantiagoB. Buenos AiresC. LimaD. Bogotá答案:B38、What is the term for a young goat?A. CalfB. KidC. LambD. Foal答案: B39、听力题：The chemical formula for ammonium chloride is ______.40、填空题：I enjoy cooking ______ (健康的) meals with my parents.41、听力题：Sedimentary rocks can hold ______ that preserve history.42、听力题：Acids can increase the concentration of _____ ions in a solution.43、What is the name of the fairy in "Peter Pan"?A. CinderellaB. Tinker BellC. Snow WhiteD. Aurora答案:B44、听力填空题：I enjoy solving puzzles and brain teasers. They challenge my mind and help me improve my problem-solving skills. Sometimes, I compete with my friends to see who can solve them faster.45、What do we call the sound a cow makes?A. BarkB. MeowC. MooD. Quack答案:C46、听力题：It is _____ to swim in the ocean. (fun)47、Which animal is known for its intelligence and use of tools?A. DogB. MonkeyC. CatD. Fish48、填空题：The _______ (The American Civil War) was fought over fundamental issues of liberty and rights.49、What is the primary color of a lemon?A. BlueB. YellowC. GreenD. Orange答案:B. Yellow50、What is the name of the famous festival celebrated in Mexico?A. Cinco de MayoB. HalloweenC. ThanksgivingD. New Year答案: A51、填空题：Mount Fuji is a famous ________ (富士山是著名的________) in Japan.52、填空题：My ________ (玩具名称) is a classic toy that everyone loves.53、填空题：The wind can be very ______ (强烈) sometimes.54、听力题：The __________ helps to break down food in the stomach.55、听力题：The study of Earth's surface features is known as ______.56、听力题：A ______ is a summary of experimental findings.57、听力题：The cat is ______ on the couch. (sleeping)58、听力题：A mixture that has a uniform composition throughout is called a _____ mixture.59、听力题：The chemical reaction between an acid and a base produces ______.60、听力题：A thermometer measures ______ changes.61、填空题：Japan is an ________ (岛国).62、What is the name of the famous American author known for "Catch-22"?A. Joseph HellerB. Kurt VonnegutC. Mark TwainD. John Steinbeck答案：A63、填空题：The ________ was a significant event in the history of civil rights in America.64、What is the main source of energy for humans?A. FoodB. WaterC. SleepD. Air答案:A65、How do you say "good morning" in Italian?A. BuongiornoB. BuonaseraC. BuonanotteD. Ciao66、听力题：A _______ is a substance that can accept protons in a reaction.67、填空题：There is a _______ (小狗) in the garden.68、What do you call the young of a mouse?A. PupB. KitC. CubD. Fawn答案:A69、听力题：Earth experiences seasons due to its axial ______.70、听力题：My friend likes to play ____ (soccer) after school.71、填空题：My cat loves to chase after ______ (昆虫).72、听力题：The _______ of light can create shadows of different shapes and sizes.73、填空题：We visit the ______ (历史遗迹) to learn about the past.74、What is the name of the fairy tale character who lost her glass slipper?A. Snow WhiteB. CinderellaC. Little Red Riding HoodD. Rapunzel答案: B75、填空题：I received a new ________ (玩具) from my parents.76、填空题：I feel happy when I ________ (笑).77、Which animal is known as "man's best friend"?A. CatB. DogC. RabbitD. Hamster答案:B78、填空题：I love to go ______ with my parents.79、What do we call the part of the plant that produces flowers?A. StemB. LeafC. RootD. Bud答案:D80、听力题：The flowers are ______ in the springtime. (blooming)81、填空题：I pack sunscreen when I go to the ______ (沙滩).82、What do we call the protective outer layer of a seed?A. CotyledonB. Seed coatC. EndospermD. Germ答案: B83、Which of these can be found in space?A. OceanB. StarC. MountainD. Forest84、听力题：The bison roams freely across the ____.85、填空题：I have a ________ (毛绒玩具) collection on my bed. Each one has a special ________ (名字).86、听力题：My brother likes to learn about ____ (space).87、听力题：I see a _______ (buffalo) in the field.88、What do we call the time of year when leaves fall from trees?A. SpringB. SummerC. FallD. Winter答案: C. Fall89、听力题：Salt forms when an acid reacts with a ________.90、填空题：The ancient Greeks invented the _______ as a form of government. (民主)91、听力题：A ____ has long whiskers and scurries about.92、听力题：The tree has ___ (leaves/fruits).93、What is the name of the region where most comets originate?A. Oort CloudB. Kuiper BeltC. Asteroid BeltD. Heliosphere94、What do you call a person who studies rocks?A. BiologistB. GeologistC. ChemistD. Astronomer答案:B95、听力题：A chemical bond is formed when atoms share or transfer _____.96、填空题：The ________ was a famous battle fought in 1815.97、听力题：I want to ________ (collaborate) with others.98、听力题：I use a _____ (pen/pencil) to write.99、Which of these is a fruit?A. CarrotB. PotatoC. AppleD. Lettuce100、What do you call a place where animals live?A. ZooB. SchoolC. ParkD. Store答案: A。

2012年职称英语理工类A级新增两篇阅读理解及完形填空

阅读理解+第四＋五篇 Small But WiseOn December 14,NASA1 blasted a small but mighty telescope into space. The telescope iscalled WISE and is about as wide around as a trashcan. Don't let its small size fool you:WISE hasa powerful digital camera, and it will be taking pictures of some the wildest objects2 in the known universe,including asteroids,faint stars,blazing galaxies3 and giant clouds of dust where planetsand stars are born."I'm very excited because we're going to be seeing parts of the universe that we haven't seen before,"said Ned Wright, a scientist who directs the WISE project.Since arriving in space,the WISE telescope has been circling the Earth,held by gravity in apolar orbit4(this means it crosses close to the north and south poles with each lap5).Its camera is pointed outward,away from the Earth,and WISE will snap a picture of a different part of the skyevery 11 minutes. After six months it will have taken pictures across the entire sky.The pictures taken by WISE won't be like everyday digital photographs,however. WISEstands for"Wide-field Infrared Survey Explorer."As its name suggests,the WISE camera takespictures of features that give off infrared radiation6.Radiation is energy that travels as a wave. Visible light, including the familiar spectrum oflight7 that becomes visible in a rainbow,is an example of radiation. When an ordinary digitalcamera takes a picture of a tree,for example,it receives the waves of visible light that are reflected off the tree. When these waves enter the camera through the lens,they're processed by the camera,which then puts the image together.Waves of infrared radiation are longer than waves of visible light, so ordinary digital cameras don't see them,and neither do the eyes of human beings. Although invisible to the eye,longerinfrared radiation can be detected as warmth by the skin.That's a key idea to why WISE will be able to see things other telescopes can't. Noteverything in the universe shows up in visible light. Asteroids,for example,are giant rocks thatfloat through space 一but they absorb most of the light that reaches them. They don't reflect light,so they're difficult to see. But they do give off infrared radiation, so an infrared telescope like WISE will be able to produce images of them. During its mission WISE will take pictures ofhundreds of thousands of asteroids.Brown dwarfs8 are another kind of deep-space object that will show up in WISE's pictures.These objects are"failed" stars 一which means they are not massive enough to jump start9 thesame kind of reactions that power stars such as the sun. Instead,brown dwarfs simply shrink andcool down. They're so dim that they're almost impossible to see with visible light, but in theinfrared spectrum they glow.练习：1 .What is so special about WISE?A It is small in size but carries a large camera.B It is as small as a trashcan.C Its digital camera can help astronomers to see the unknown space.D Never before has a telescope carried a digital camera in space.2. Which is NOT the synonym for the word "snap" in the third paragraph?A make.B shoot.C takeD photograph.3. The camera on WISEA is no different from an ordinary camera.B does not see infrared radiation while the ordinary camera does.C catches the infrared radiation while the ordinary camera does not.D reflects light that human eyes can see.4. Which of the following is NOT correct about"asteroids" according to paragraph 7?A Asteroids float through space giving off visible light.B Asteroids do not reflect light that reaches them.C It is difficult to take asteroids' pictures by ordinary cameras,D The WISE telescope can take pictures of asteroids5.What is implied in the last paragraph?A Brown dwarfs give off visible light.B Brown dwarfs give off infrared radiation.C Brown dwarfs are power stars like the sun.D Brown dwarfs are impossible to see with the WISE telescope.答案与题解：1. C 短文的第一和第二段提供了答案。

建议研究自然科学的英语作文ai

建议研究自然科学的英语作文ai 英文回答：Natural science encompasses a vast array of disciplines dedicated to understanding the natural world. Its branches, such as physics, chemistry, biology, and astronomy, delve into the fundamental principles governing the universe and its phenomena. Studying natural science offers numerous advantages, empowering individuals with critical thinking skills, problem-solving abilities, and a deeper appreciation for the world around them.One significant benefit of studying natural science is the development of critical thinking and analytical skills. By examining scientific theories, conducting experiments, and interpreting data, students learn to evaluate information critically, challenge assumptions, and formulate sound conclusions. These skills are not only essential for success in scientific careers but also in everyday life, enabling individuals to make informeddecisions and navigate an increasingly complex world.Moreover, natural science education cultivates problem-solving abilities. Scientists are constantly faced with challenges and unknowns. Through their training, they learn to approach problems systematically, break them down into manageable parts, and devise creative solutions. This problem-solving mindset extends beyond the laboratory, helping individuals tackle challenges in various aspects of life, from personal matters to global issues.Furthermore, studying natural science fosters an appreciation for the interconnectedness of the natural world. Students gain an understanding of how physical, chemical, and biological processes interact to shape the Earth's systems. This knowledge cultivates a sense of wonder and curiosity about the natural world, inspiring individuals to become responsible stewards of the environment.In addition to these cognitive benefits, natural science education also promotes personal growth and careeropportunities. By engaging in scientific inquiry, students develop a sense of perseverance, resilience, and theability to work collaboratively. These qualities are highly valued in various fields, including medicine, engineering, environmental science, and technology.Despite its numerous advantages, studying natural science can also pose challenges. The vast amount of information and the complexity of scientific concepts canbe overwhelming at times. However, with dedication, perseverance, and the support of experienced educators, students can overcome these challenges and reap the rewards of a natural science education.In conclusion, pursuing studies in natural scienceoffers a wealth of benefits, including the development of critical thinking skills, problem-solving abilities, an appreciation for the natural world, personal growth, and career opportunities. By embracing the challenges and harnessing the power of scientific inquiry, individuals can gain a deeper understanding of the universe and become empowered to make informed decisions throughout their lives.中文回答：自然科学研究建议。

小学上册第十二次英语第2单元测验卷

小学上册英语第2单元测验卷英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.The boy has a cool ________.2.听录音，把图片与颜色连起来。

3.The _____ (teacher/student) is helpful.4.The _____ (grape) is juicy.5.Which of these is a fruit?A. LettuceB. TomatoC. CarrotD. Potato6.I think it’s important to ________ (尊重) nature.7.What is the capital of Greece?A. AthensB. RomeC. IstanbulD. CairoA8.The _____ (热带) rainforest has a rich variety of plants.9.The flowers smell ________.10.We will eat _____ (pasta/rice) for dinner.11.She is a historian, ______ (她是一名历史学家), who loves ancient cultures.12.I like to help my mom with ______.13.What is the opposite of "hot"?A. ColdB. WarmC. BoilingD. Spicy14.What is the main ingredient in mayonnaise?A. MustardB. OilC. Egg yolkD. VinegarC15.My friend loves to create ____ (videos) for YouTube.16.My grandma enjoys watching ____ (shows) on TV.17. A rabbit has long ______ (耳朵) and a fluffy tail.18.The ancient Romans constructed ________ for public gatherings.19.What do we call the process of planting seeds?A. SowingB. HarvestingC. GrowingD. CultivatingA20.The ________ (公共交通) is important for city travel.21.The ancient Sumerians are credited with creating the first ________.22.My sister enjoys ________ (写日记).23.I love to go ______ (钓鱼).24. A __________ is a geological feature that provides habitats for wildlife.25.What is the main language spoken in the USA?A. SpanishB. FrenchC. EnglishD. German26.The ________ (环境科学) informs decisions.27.What is the capital of Sudan?A. KhartoumB. OmdurmanC. Port SudanD. NyalaA28.What is the capital of Italy?A. MilanB. RomeC. FlorenceD. VeniceB29.I like to ___ (help) my parents cook.30.The ______ (鳗鱼) is slippery and fast in water.31.The bear's strength and power make it a formidable force in the ____.32.The element that is essential for photosynthesis is _______.33.What do we call the study of plants?A. BiologyB. BotanyC. ZoologyD. EcologyB Botany34.The chemical symbol for germanium is _______.35.The _____ (青蛙) jumps from lily pad to lily pad. It is green and slimy. 青蛙从睡莲叶跳到睡莲叶。

科技的空缺英语作文

动物的文章作文英语Animals are an integral part of our world, and their importance cannot be overstated. They play a vital role in maintaining the balance of nature and are essential for the survival of many species, including humans. In this article, we will explore the significance of animals and theirimpact on our lives.Firstly, animals are an essential source of food for humans. Many of the world's population rely on meat astheir primary source of protein, and without animals, it would be challenging to meet this demand. From cows andpigs to chickens and fish, animals are bred and raised for consumption, providing sustenance for millions of people worldwide.Secondly, animals are crucial for the environment. They play a critical role in pollination, seed dispersal, and nutrient cycling, which are all vital processes for maintaining the health of ecosystems. For example, bees areessential for pollinating plants, which in turn producefruits and vegetables that we consume. Without bees, the food chain would be disrupted, and many species would be at risk of extinction.Thirdly, animals provide companionship and emotional support to humans. Pets, such as dogs and cats, are beloved members of many families and are known to provide comfort and companionship to their owners. Therapy animals, such as horses and dolphins, are also used to help people with mental and emotional health issues, providing a sense of calm and relaxation.However, despite their importance, animals face many threats in today's world. Habitat loss, climate change, and poaching are just a few of the challenges that animals face, and many species are at risk of extinction. As humans, itis our responsibility to protect and conserve these creatures, ensuring that they can continue to play theirvital roles in our world.In conclusion, animals are an essential part of ourworld, providing food, maintaining the environment, and offering companionship and emotional support to humans. It is our responsibility to protect and conserve these creatures, ensuring that they can continue to play their vital roles in our world for generations to come.。

Microbial Ecology(Chapter 9)

❖ Microbial ecology is the the study of the behavior and activities of microorganisms in their natural environments.
Environmental microbiology
❖ Environmental microbiology is relates primarily to all over microbial processes that occur in a soil, water or food, as examples.
Microorganisms and Microenvironment
❖ Populations ❖ Guilds ❖ Communi来自ies ❖ Ecosystem
In a microbial ecosystem individual cells grow to form populations.
❖Parasitism
the parasite population is benefited and the host population is harmed.
A soil aggregate composed of mineral and organic components, showing that localization of soil microbes.
Very few microorganisms are found free in the soil solution; most of them occur as microcolonies attached to the soil particles.
Within the rhizosphere, the plant roots exert a direct influence on the soil bacteria. This influence is known as the rhizosphere effect.

2019年精选高中必修5、选修6英语必修5人教版巩固辅导二十三.doc

2019年精选高中必修5、选修6英语必修5人教版巩固辅导二十三A第1题【单选题】Jenny hopes that Mr. Smith will suggest a good way to have her written English ____________ in a shortperiod ・A、improvedB、improvingC、to improveD、improve【答案】:A【解析】:【分析】句意：Jenny希望Smith建议一个好办法萤期内使她的书面英语有所提高。

宾语written English与improve之间为动 ,解过去湘彳卜.选人・【点评】考查非谓语动词,本题涉及过去分词作宾I卜的应用.＞第2题【单选题】For breakfast he only drinks juice from fresh fruit ___________ o n his own farm・A、grownB、being grownC、to get grownD、to grow【答案】:A【解析】:【分析】句意：早餐他只喝了自家农场中的新鲜水果榨的果汁.fruit grown on his own farm他自己农场种植的水果。

grow 与fruits间为逻辑上的动宾关系,故用过去分词作走语.,选A.【点评】考查非谓语动词,本题涉及过去分词作左语的应用.＞第3题【单选题】I still consider Jack as one of my best friends though _________ h e did caused some _________ to his fame・A、that; destructionB、what; damageC、which; destroyD、what; damages【答案】:B【解析】：【分析】cause some damage to意为“对・・・・..造成伤害或损害"f what引导的主语从句是though引导的状语从句的主语。

高考英语总复习--阅读理解(科普环保)及解析

高考英语总复习--阅读理解(科普环保)及解析一、高中英语阅读理解科普环保类1．犇犇阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。

After a morning hike in the Saneum HealingForest, 46-year-old firefighter Kang Byoung-wook has tea made from the bark of an elm tree, practices yoga (瑜伽), and makes a picture with dried flowers. He is one of 40 firefighters taking part in a three-day program, the aim of which is to offer "forest healing" (森林治愈); the firefighters all have posttraumatic stress disorder (创伤后应激障碍).Saneum is one of three official healing forests in South Korea. Soon there will be 34 more. South Koreans-many of whom suffer from work stress, digital addiction, and great academic pressure have accepted the medicalization of nature with great enthusiasm.There is increasing evidence that being outside in a pleasant natural environment is good for us. But how many of us get to enjoy nature regularly? Fewer and fewer, it seems. According to Lisa Nisbet, a psychology professor at Canada s Trent University, evidence for the benefits of nature is pouring in at a time when we are most disconnected from it."We don't think of being outdoors as a way to increase happiness," says Nisbet. "We think other things will, like shopping or TV." But South Korea is starting to challenge this opinion.So what are some of the benefits of nature that Nisbet refers to? Being surrounded by nature has one obvious effect: It calms us and reduces our stress levels. This has been shown to lower blood pressure and heart rates.Another experiment conducted by psychologist Stephen Kaplan found that people who took a 50-minute walk in a park had better attention and short-term memory than those who took a walk along a city street.Perhaps what's more surprising is that nature may also make us more creative. David Strayer, a psychologist at the University of Utah, showed as much with a group of participants, who performed 50 percent better on creative problem-solving tasks after three days of wilderness backpacking.In fact, we may never know exactly what nature does to the brain. Something mysterious will always remain, and maybe that's as it should be.（1）What is Kang Byoung-wook doing?A.Getting lost in nature.B.Building up his strength.C.Trying to control a forest fire.D.Helping firefighters under stress.（2）What does Lisa Nisbet think of being outdoors?A.It is overlooked by people.B.It has nothing to do with happiness.C.South Koreans show great interest in it.D.We need more evidence for its benefits.（3）What benefit of nature did Stephen Kaplan find?A.It affects people's feelings.B.It lowers the risks of diseases.C.It helps improve mental performance.D.It does more good than physical exercise.（4）What would be the best title for the text?A.Your life in forestsB.Your brain on natureC.The future of forest healingD.The benefits of a stress-free life【答案】（1）A（2）A（3）C（4）B【解析】【分析】本文是一篇说明文，由韩国患创伤后应激障碍的消防员接受森林治愈谈起，介绍了大自然对我们身心健康的益处。

The mysteries of the animal kingdom Intelligence

The mysteries of the animal kingdom Intelligence The animal kingdom is a vast and diverse world that has fascinated humans for centuries. From the smallest insects to the largest mammals, each species has its unique characteristics and abilities that have allowed them to survive and thrive in their respective environments. One of the most intriguing aspects of the animal kingdom is intelligence. While humans have long considered themselves to be the most intelligent species on the planet, recent research has shown that animals possess a range of cognitive abilities that were once thought to be exclusive to humans.One of the most intelligent animals is the chimpanzee, with the ability to use tools, communicate with each other, and even display emotions such as empathy and grief. Studies have shown that chimpanzees are capable of problem-solving and have a long-term memory that allows them to recall past events and experiences. They have also been observed to engage in complex social interactions, forming alliances and even engaging in warfare with other chimpanzee groups.Another animal that displays remarkable intelligence is the dolphin. These marine mammals have a highly developed brain that allows them to communicate with each other using a complex system of clicks and whistles. They are also capable of problem-solving and have been observed using tools to catch prey. Dolphins have also been known to display empathy towards other members of their pod, and have been observed helping injured dolphins to the surface to breathe.Birds are another group of animals that have shown remarkable intelligence. One of the most well-known examples is the crow, which has been observed using tools to obtain food. Crows have also been observed to engage in play, using objects such as sticks and rocks to entertain themselves. Other birds, such as parrots, have the ability to mimic human speech and have been trained to perform a range of tasks, from identifying objects to solving puzzles.In addition to these examples, there are many other animals that possess intelligence in various forms. Octopuses, for example, have been observed using tools and solvingpuzzles, while elephants have been known to display empathy and even mourn their dead. Even insects, such as bees and ants, have been observed engaging in complex social interactions and problem-solving.The study of animal intelligence has important implications for our understanding of the natural world. It challenges our assumptions about the superiority of humans and highlights the diverse range of cognitive abilities that exist in the animal kingdom. It also has practical applications, such as in the development of artificial intelligence and robotics, where researchers are looking to nature for inspiration.However, the study of animal intelligence also raises ethical questions. As we learn more about the cognitive abilities of animals, we are forced to confront the ethical implications of how we treat them. Should we be using animals for scientific research, or keeping them in captivity for entertainment purposes? How should we balance the needs and interests of different species, and what responsibilities do we have towards them?In conclusion, the mysteries of animal intelligence are vast and varied, and our understanding of them is constantly evolving. From the complex social interactions of chimpanzees to the tool use of crows and the communication skills of dolphins, animals have much to teach us about the nature of intelligence. As we continue to explore this fascinating topic, we must also grapple with the ethical implications of our discoveries and strive to find ways to live in harmony with the other intelligent beings that share our planet.。

Unit 5 课文阅读理解 2021-2022学年外研版 2019 必修第一册

外研版必修第一册Unit 5课文阅读理解Step 1FastreadingⅠ.Read the passage quickly and fill in the following blanks with suitable words.Ⅱ.The main idea of the passage is about _____________________________________________.a study on the migration behaviour of the monarch butterfly and the significance of the study Step 2CarefulreadingⅠ.Tell whether the following statements are true(T) or false(F)．1．Every autumn the monarch butterfly begins a journey to the north.( )2．The time of the day and the position of the sun can make sure the monarch butterfly migrates in the right direction.( )3．When the solution to the mystery of the monarch’s ability was revealed，it had a large number.( )4．People have a better understanding of the monarch’s behaviour now.( )5．The deeper the research，the more likely the monarch butterfly is to survive.( )1-5 F T F TTⅡ.Read the passage carefully and choose the best answer.1．What is the main purpose of the first paragraph?A．To tell us what migration is exactly.B．To tell us the reason for migration.C．To introduce the topic of the passage.D．To tell us how many animals migrate.2．The monarch butterfly migrates to every autumn.A．find a partnerB．spend the winterC．tell the time of dayD．measure the position of the sun3．What will probably happen to the North American monarch butterfly if it is cloudy?A．It may lose its way.B．It can’t see anything.C．It can’t find any food.D．It will feel very cold.4．What does the word “crash” in Para.4 mean?A．Succeed. B．Fail.C．Increase. D．Drop.5．Which section is this article likely to appear in the newspaper?A．Sports. B．Health.C．Hobby. D．Wildlife.答案CBADDStep 3PostreadingⅠ.After reading the passage，please fill in the following blanks.Every autumn millions of monarch butterflies begin 1._______ long and difficult journey.They manage 2.________(travel) around 4,000 kilometres south to places 3._______ they will spend the winter.A team of scientists 4._______(lead) by Professor Eli Shlizerman has found out the solution 5.____ the mystery of the monarch’s amazing ability.In the last few years，the number of monarch butterflies 6.________(crash) by ninety percent.Human activity is the main reason.People are destroying the natural environment by 7.______(cut) down trees and using chemicals that kill the plants that monarch caterpillars eat.So a better 8.__________(understand) of the monarch’s behaviour has led to a greater 9._________(aware) of this creature.People have been working to make sure that there are enough plants for them to feed on.The more we know about these delicate creatures，the 10._________(great) the chance they will survive.1.a2.to travel3.where4. led5.to6.has crashed7. cutting8.understanding9. awareness 10.greaterⅡ.Discuss with your partner and then answer the following questions.1．What measures should be taken to protect the monarch butterfly?2．Do you know any endangered rare animals in China? How to protect them?Step 4Sentencelearning1．These two pieces of information—the time of day and the point where the sun is in the sky—allow the butterfly to determine the way to go.________________________________________________________________________ 2．They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.________________________________________________________________________3．If this works，there may come a time when the number of monarch butterflies increases once again.________________________________________________________________________4．The more we know about this lovely creature，the greater the chance it will survive and keep its place in the natural world for a long time to come.________________________________________________________________________1[句式分析]本句为复合句。

2023年高考英语新课标Ⅰ卷阅读理解C翻译及解析

2023年高考英语新课标Ⅰ卷阅读理解C翻译及解析The goal of this book is to make the case for digital minimalism, including a detailed exploration of what it asks and why it works, and then to teach you how to adopt this philosophy if you decide it’s right for you.这本书的目标是为数字极简主义辩护，包括详细探索它的要求和为什么有效，然后教你如果你认为它适合你，如何采用这种哲学。

To do so, I divided the book into two parts. In part one, I describe the philosophical foundations of digital minimalism,starting with an examination of the forces that are making so many people’s d igital lives increasingly intolerable, before moving on to a detailed discussion of the digital minimalism philosophy.为此，我把这本书分为两部分。

在第一部分中，我描述了数字极简主义的哲学基础，首先是对使许多人的数字生活越来越难以忍受的力量的研究，然后是对数字极简主义哲学的详细讨论。

Part one concludes by introducing my suggested method for adopting this philosophy: the digital declutter. This process requires you to step away from optional online activities for thirty days. At the end of the thirty days, you will then add back a small number of carefully chosen online activities that you believe will provide massive benefits to the things you value.第一部分最后介绍了我提出的采用这种哲学的方法：数字清理器。

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