GRE专项试题集锦

1、GRE专项试题集锦8.Scientist：More than 1, 000 large asteroids regularlycross the Earths pathEven though the probabil-ity of one colliding with the Earth is extremelyslight, we should do whatever we can to reducethat probability since any such collision wouldbe catastrophicThe best way to avoid such adisaste

2、r is to deflect the asteroidsThe onlyknown way of deflecting asteroids is by hittingthem with nuclear weapons that would be storedin space stationsThe scientists claims are structured so as to lead towhich of the following conclusions？(A)Nuclear technology is the only technology thatcan plausibly be

3、 used to prevent naturalcatastrophes(B)Nuclear weapons should be deployed in space(C)No catastrophe has yet been caused by thecollision of an asteroid with the Earth(D)The 1, 000 large asteroids that cross the Earthspath pose only an extremely slight risk ofcolliding with the Earth(E)There is curren

4、tly no acceptable use to whichnuclear weapons can be put, aside from pro-tecting the Earth from asteroids9.It has long been thought that high levels of the hor-mone testosterone contribute to the onset of heartdisease in menHowever, this view cannot be correct,since men who have heart disease typica

5、lly showsignificantly lower levels of testosterone than do menwho have not had heart diseaseThe argument above assumes which of the following？(A)Many men who have never had heart diseasehave unusually low levels of testosterone(B)Having heart disease does not significantly lowerthe level of testoste

6、rone in men(C)Levels of hormones other than testosteronesignificantly affect the likelihood that a manwill develop heart disease(D)Heart disease and lowered testosterone levels inmen are the effects of a single common cause(E)High levels of testosterone have never beenthought to contribute to a seri

7、ous disease otherthan heart disease10.The time-out technique involves removing the child froman undesirable situation in order to let the child thinkthings overOver the last two decades, family doctorshave been advocating this technique as preferable tospanking, which is now known to be potentially

8、injuriousand no more effective10.Which of the following can properly be concludedfrom the data presented in the graph？(A)The 1962 survey was based on a larger samplethan the 1992 survey was(B)In the period between the surveys, denying tele-vision privileges was never the disciplinarytechnique most p

9、opular with parents(C)The four disciplinary techniques featured in thegraph were the only disciplinary techniquesnamed by parents in either survey(D)The 1962 survey allowed parents to name morethan one disciplinary technique, but the 1992survey may not have allowed this(E)In the period between the s

10、urveys, there wereno significant changes in the popularity of lec-turing children as a disciplinary method11.People who engage in scuba diving are healthier, onaverage, than people who do not engage in thisactivityTherefore, scuba diving tends to promoteimproved healthThe argument is most vulnerable

11、 to criticism on thegrounds that it(A)presupposes that everyone who takes up scubadiving does so solely for health reasons(B)leads to a further and falsifiable conclusion thatno one can achieve good health withoutengaging in scuba diving(C)fails to point out that a small number of peopleare seriousl

12、y injured in scuba diving accidentseach year(D)treats a precondition for improving ones healthas though it were something that by itselfcould ensure good health(E)overlooks the possibility that people generally donot take up scuba diving unless they are ingood healthQuestions 12-15An art museum owns

13、 six paintings by an eighteenth-century painterThe paintings, listed in order by esti-mated value from lowest to highest, are F, G, H, S, T,and UPaintings F, G, and H are landscapes; S, T, and Uare portraitsAt any one time, exactly three of the sixpaintings are on exhibit, subject to the followingre

14、strictions:The paintings on exhibit cannot all be landscapesIf the exhibit includes only one portrait, that portraitmust be UH cannot be on exhibit at any time that T is on exhibit.12.Which of the following could be the three paintingson exhibit at some point？(A)F, G, and H(B)F, G, and T(C)G, H, and S(D)G, S, and U(E)H, T, and U13.Which of the following,