全国100所名校最新高考冲刺卷英语2023届Y1

2023-11-06 10:20:17 63℃

全国100所名校最新高考冲刺卷英语2023届Y1正在持续更新，目前2026届炎德英才大联考答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

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and health psychology at Carnegie Mellon University."It may also reduce stress.Many people find volunteer work helpful with respect to stress reduction,and weknow that stress is very strongly linked to health outcomes,"she says.A 2012 study in the journal Health Psychology found that participants whovolunteered with some regularity lived longer,but only if their intentions were trulyaltruistic.In other words,they had to be volunteering to help others-not to makethemselves feel better.The Greek philosopher Aristotle once guessed that the essence of life is"To serveothers and do good."If recent research is any indication,serving others might also bethe essence of good health.24.Which can replace the underlined phrase "warding off in paragraph 1?A.Getting rid of.B.Keeping up with.C.Running out of.D.Putting up with.25.Why does the author mention the study from Carnegie Mellon University?A.To prove the benefit of volunteering to health.B.To find out volunteerism's physical effects on heart.C.To explain the connection between exercise and health.D.To warn readers the danger of volunteering to blood pressure26.What can we learn from what Rodlescia Sneed said?A.Volunteers are supposed to be more outgoing.B.Volunteer work can make people lack sports.C.Taking appropriate exercise can strengthen social connection.D.Performing volunteer work contributes to reducing stress.27.What's the text mainly about?A.Volunteering can lower blood pressure.B.Volunteering is beneficial to mental health.C.Volunteering may be good for body and mind.D.Volunteering can avoid suffering from heart disease.CMetal-organic frameworks (MOFs)are compounds(that are set to solvesome tough challenges:producing water in the desert,removing greenhouse gasesfrom the air and storing dangerous gases more safely.The Arizona desert is really dry.Anyone stuck in it without water would die fromdehydration()within three days,unless he had one of Omar Yaghi's next-generation water harvesters,who is a chemist at the University of California,Berkeley.Although daytime wetness is only about 10 percent,this rises to 40 percentat night,which means there's enough water in the atmosphere to support life-if itcan be transformed into liquid form.That's exactly what Yaghi's invention does.It's about the size of a smallmicrowave oven,designed to suck the water from the air at night and turn it intodrinking water the next day using only the heat of the sun as its power source.Whatmakes it work is a special material called a MOF,which at normal temperaturesattracts water molecules()onto the surface of its internal small holes.Warm itup and get the water,each harvester producing one-third of a cup of pure drinkingwater."A device the size of a washing machine could produce enough water for thebasic needs of a household,"says Yaghi.These crystalline()groups of metals linked by organic molecules can bemade into materials with an extremely high absorption ability,attracting specificmolecules to their surfaces.In this way,MOFs cling to a variety of liquids and gases.MOFs work thanks to their distinctive structure.In fact,one MOF the size of asugar cube has so many small holes that they would cover an area as large as sixfootball fields.MOFs are also extremely stable,light and have many different uses:their molecular structure can be varied to attract specific molecules.Adding a smallamount of heat or pressure causes the MOF to give what it's holding.More than70,000 different MOFs have been produced to date for various applications.28.Why is the Arizona desert mentioned in the second paragraph?A.To introduce water harvesters.B.To stress the importance of water.C.To show the severity of its condition.D.To express the urgent need for water there.29.What plays a vital role in water harvesters?A.Solar energy.B.Water molecules.C.Metal-organic frameworks.D.MOFs'internal small holes.30.Which can explain the phrase"cling to"underlined in paragraph 4?A.Give off.B.Turn into.D.Break down.C.Hold onto1页

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