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海淀区2022一2023学年第一学期期末练习高三英语2023.01本试卷共10页，100分。考试时长90分钟。考生务必将答案答在答题纸上，在试卷上作答无效。考试结束后，将本试卷和答题纸一并交回。英第一部分：知识运用（共两节，30分）第一节（共10小题；每小题1.5分，共15分)阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题纸上将该项涂黑。We've all heard the saying "Laughter is the best medicine".And there might be something in thisidiom.Numerous studies have shown that people who report greater 1 tend to have better medicaloutcomes.For instance,a 2017 study at the University of Nottingham tested the effect of mood on 138retirees 2 the normal flu injection.Those who felt happy on the day of the vaccination went onto 3 more flu-fighting antibodies.Earlier work at Yale University and the University of Florida hasalso shown that people's mood affects the activation of genes that fight disease.But does happiness lead to good 4,or is it the other way around?After all,it could be thatpeople who have strong immune systems5 have higher levels of other mood-improving brainchemicals as well.Here is a possible evolutionary 6.Humans evolved as social creatures that cooperate in groupsto 7 food and protect themselves from wild animals.We were happier with a(n)8 network offriends and family because this improved our chances of survival.But closely socializing groups arealso breeding grounds for respiratory ()9 such as flu and colds,so we would have needed toincrease the activity of the genes that fight these diseases.For those who were 10 from society,however,infectious disease was less of a problem,andgenes that help recover from physical injury may have been prioritized instead of the ones that fightdisease.1.A.successB.confidenceC.happinessD.determination2.A.avoidingB.receivingC.missingD.organizing3.A.produceB.repairC.detectD.absorb高三年级（英语）第1页（共10页)