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1、安顺市关岭布依族苗族自治县2023年考研英语一高分冲刺试卷Section I Use of EnglishDirections:Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points)Just like a boxer, we , too come face to face with many opponents on the stage of lifeproblems and difficulti
2、es. The bad news is that we dont really know when our 1 with these opponents occur. Here are several reasons why you should 2 yourself for success like a champion boxer!You dont practice on the stage, thats where your skills and your abilities are 3 This also means that you dont 4 solving problems a
3、nd developing yourself when 5 occur, you prepare yourself to face them long 6 you actually face them.If you are talented, you probably need less 7 and training time in facing lifes challenges. Actually, for people who are born with 8 , training and learning becomes even more important 9 the lazy per
4、sons motto: “If it isnt broken, why fix it?” Why wait for your roof to leak in the 10 season when you can fix it right away. Act 11 Training enables you to gain intuition(直觉 )and reaction. With 12 practice and training, you build up your body, your mind and your heart and gain the intuition and reac
5、tion of a (n) 13 The same thing is true in life. Without training, you will 14 Without training, you will not be able to 15 how your enemy will hit you.Keep in mind that training is born out of discipline and 16 Even if you meet with some setbacks in your training process, 17 you keep at it and are
6、confident, you will soon see 18 in your life and when problems come, you will be like the champion 19 who stands tall and fights until the final round is over and youre 20 as the champion!1、AfriendshipsBchampionshipsCprogramsDmatches2、AtrainBofferCshowDbring3、AappreciatedBsharedCevaluatedDpromoted4、
7、AfinishBstartCenjoyDpractice5、AchancesBproblemsCoccasionsDdangers6、AbeforeBafterCasDsince7、AconsiderationBattentionCpreparationDinstruction8、AdiseaseBambitionCtalentDbelief9、AUnderstandBAbandonCCondemnDRemember10、AcloudyBwindyCsunnyDrainy11、Aon timeBat timesCright awayDat last12、AconstantBrealCstabl
8、eDquick13、AenemyBchampionCopponentDcoach14、Amix upBmess upCstand outDbreak out15、AcheckBproveChandleDpredict16、AconfidenceBexperienceCperformanceDimprovement17、AbeforeBunlessCuntilDif18、AexchangesBresultsCsetbacksDdisadvantages19、AjudgeBswimmerCboxerDrunner20、AclaimedBcalledCannouncedDelectedSection
9、 II Reading ComprehensionPart ADirections:Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on the ANSWER SHEET. (40 points)Text 1Exposing living tissue to subfreezing temperatures for long can cause permanent damage. Microscopic ice crys
10、tals (结晶体) cut cells and seize moisture (潮气), making donor organs unsuitable for transplantation. Thus, organs can be made cold for only a few hours ahead of a procedure. But a set of lasting new antifreeze compounds (化合物)similar to those found in particularly hardy (耐寒的) animalscould lengthen organ
11、s shelf life.Scientists at the University of Warwick in England were inspired by proteins in some species of Arctic fish, wood frogs and other organisms that prevent blood from freezing, allowing them to flourish in extreme cold. Previous research had shown these natural antifreeze molecules (分子) co
12、uld preserve rat hearts at -1.3 degrees Celsius for up to 24 hours. But these proteins are expensive to extract (提取) and highly poisonous to some species. “For a long time everyone assumed you had to make synthetic (人造的) alternatives that looked exactly like antifreeze proteins to solve this problem
13、, ”says Matthew Gibson, a chemist at Warwick who co-authored the new research. “But we found that you can design new molecules that function like antifreeze proteins but do not necessarily look like them. ”Most natural antifreeze molecules have a mixture of regions that either attract or repel water
14、. Scientists do not know exactly how this process prevents ice crystal formation, but Gibson thinks it might throw water molecules into push-pull chaos that prevents them from tuning into ice. To copy this mechanism, he and his colleagues synthesized spiral-shaped molecules that were mostly water-re
15、pellentbut had iron atoms at their centers that made them hydrophilic, or water-loving. The resulting compounds were surprisingly effective at stopping ice crystals from forming. Some were also harmless to the roundworm Caenorhabditis elegans, indicating they might be safe for other animals.“These compounds are really cool because they are not proteinsthey are other types of molecules that nonetheless can do at least part of what natural antifreeze proteins do, ”says Clara do Amara
