天舟高考·衡中同卷2024高三一轮复习周测卷(小题量)新高考版十四英语试题正在持续更新，目前2026天舟高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。

inhat wery think.Some people feel that the hard ruthis the best way to be.Do you think it is better not tohreandbe polite to let people kowhe uth?Iknow inom countrie if omiconderedtobe doing their job,the clients think that they do not need to be thanked.28.What does the author think of the British way of saying "Thank you"?A.It's normal.B.It's formalC.It's exciting.D.It's surprising.29.What does the author want to find out?A.Why the British care about their manners so much.B.Why the British like to complain about the weather.C.Why the British are fond of fish and chips so much.D.Why the British have five steps of saying"Thank you"30.What does the author think manners have stood for for centuries?B.Politeness.C.Social statusD.Wealth and health.A.Attitudes.31.Why are the British unwilling to say what they think?A.They want to show their social status.B.They think that they have to be polite.C.They don't want to let people know the truth.D.They just don't want to express their true feelings.DNew research led by the University of Colorado Boulder has found the engineering secrets behind what makes fishfins()so strong yet flexible.The team's findings could one day lead to new designs for airplane wings that changetheir shape with the push of a button.Francois Barthelat,senior author of the study,noted that fins can"do wonders"even though they don't containa single muscle."A fin is made of many rays',"said Barthelat."Each of those rays can be controlled individuallyjust like your fingers,but there are 20 or 30 of them in each fin."Barthelat and his colleagues drew on a range of approaches,including computer simulations()and3D-printed materials,to dive deep into the secrets of these structures.They report that the key to fish fins may lie intheir unique design.Each ray in a fin is made up of multiple segments()of a hard material that lie on top of muchsofter collagen(),making them the perfect balance between bouncy and strong.The engineer and his team decided to use computer simulations to examine the mechanical functions of fins.Theydiscovered that those segments can make all the difference."Pretend for a moment,"Barthelat explained,"that fish fins are made up entirely of collagen.They could bendeasily,but wouldn't give fish much pulling force in the water.Rays made up of solid material would have the oppositeproblem-they'd be too hard.The researchers further tested the theory by using a 3D printer to produce model fish fins made from plastic.Theteam found that the design provided better combinations of strength and flexibility.Barthelat added that he and his colleagues have only scratched the surface of the wide diversity of fins in the fishworld.Flying fish,for example,use their fins effectively to "fly"above the water,while mudskippers use their finslike legs to“wal”on land."We like to pick up where the biologists and zoologists have left off,using our background in the mechanics ofmaterials to further our understanding of the amazing possessions of nature,"Barthelat said.32.What contributes most to fish fins'ability to"do wonders"?A.The great number of tiny fingers in them.B.The special structure of the muscle in them.C.Their smart use of the sun's rays during the day英语卷（一）试题第5页（共8页）