2024届陕西省榆林市“府、米、绥、横、靖”五校联考（232804Z）英语试题及答案

2024届陕西省榆林市“府、米、绥、横、靖”五校联考（232804Z）英语试题及答案正在持续更新，目前答案城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。

wouldKC)30.Why do older people show slow reactions to the experiment?mericanA.They often press the wrong keys.gtoo12同ants.B.They have a slower mental speed.C.They are more careful in decisions.D.They have more questions to answer.【解析】细节理解题。从最后一段中的Instead,we think that older test subjects are mainly slowerbecause they reply more cautiously and concentrate more on avoiding mistakes可知，老年参与者回答问题慢，是因为他们更谨镇、不想出情。(A)31.What is a suitable title for the text?A.Your brain slows down later than thoughtB.Older people react slower than young adultsC.You need do more to stop mental speed decline0ego0D灯日)D.The common sense about mental speed is true数中见一通从属用器度动法抛】【解析】主管大意题。全文讲迷了人们的思维逃度在最初的几十年里变化很小，这超乎我们以前的认识。DA material made from reeyeled wood is five times stronger than natural wood and can bemade from any wood by-product(副产品)，including shavings and sawdust(锯末).Wood is a hugely multipurpose material,but millions of tonnes go into landfill each year.To build a truly circular economy,wood will need to be re-used on a grander seale.0Orlando Rojas at the University of British Columbia.Canada,and his team have invented aprocess that dissolves(溶解)lignin(木质素)，a glue-.like component inside plant cell walls,andexposes cellulose nanofibrils,which are tiny fibres also found in the plant cell wall.The methodinvolves a solvent(溶剂)called dimethylacetamide(二甲基乙酰睃)，sed in the presence of lithiumchloride(氯化锂).When two pieces of wood treated in this way are brought together,the nanofibrils bind tocreate what the researchers call a "treated"piece of wood.Although this no longer looks likenatural wood,it has better mechanical properties.Tests show it is more resistant to breakingthan stainless steel.【#微"We get a mechanical strength that takes the place of the strength of the originalmaterial,”says Rojas..“It works because we use the inherent(周有的)properties of cellulose,which is a material that binds together very strongly by something called hydrogen bonding."Not only can wood treated this way be re-used to create new objects,but the treatmentprocess can be performed repeatedly on the same pieces of wood to extend their workinglifetimes..话s的wyfY由rtoi dgvos1面gsn3om232mt"This is a really elegant way to treat wood,using a common cellulose solvent,recoveringand enhancing the mechanical properties of nature's wonder material."says Steve Eichhorn at英语试题第41页