A41.A.developingB.increasingC.measuringD.exploringB.keyC.ruleD.limitD42.A.stepB43.A.longB.wellC.muchD.fasthappen toB.lead toC.devote toD.stick to亿44.A.245.A.discoveredB.thoughtC.doubtedD.provedB.realizesC.wondersD.believesC46.A.imagines○47.A.treatB.followC.protectD.tell48.A.interestsB.healthC.incomeD.marriage49.A.mindB.trainingC.experienceD,method50.A.exampleB.problemC.disadvantageD.danger51.A.doubtfulB.carelessC.stupidD.practical52.A.career successB.character trainingC.scientific researchD.social problems53.A.onlyB.bestC.unusualD.funny54.A.peopleB.testsC.qualitiesD.reasonsC.someD.everyone55.A.no oneB.few第二节(共10小题;每小题1.5分,满分15分)阅读下面短文,在空白处填人1个适当的单词或括号内单词的正确形式。Over the past few years,the interest in exploring Mars has grown,withsome important 56(discovery)about it.They raise further questions aboutthe past atmosphere of Mars and scientists ultimately want to know whether ornot it was 57 (suit)for life.Images taken by the European Space Agency's Mars Express satellite showthe marks that 58 ancient network of rivers left on the59 (planet)surface.The valleys formed as they would on earth,60 a strong flow ofwater carving its way through the landscape.61 is less clear is where the water came from.Due to a lack ofknowledge about the past climate of Mars,scientists cannot tell whether it camefrom melting glaciers(,groundwater 62 something unheard of,thoughsome researchers are doubtful whether liquid water was responsible for the marks英语试题第13页(共16页)