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大家在备考GMAT考试的时候,需要准备的复习材料很多,对于计划参加GMAT考试的人来说,要想在GMAT考试中获取好的成绩,做适量的练习是必须的,下面就通过解答下面的GMAT练习材料来总结一些解题方法吧。
10.Magnetic resonance imaging (MRI)—a noninvasive diagnostic procedure—can be used to identify blockages in the coronary arteries. In contrast to angiograms—the invasive procedure customarily used—MRI’s pose no risk to patients. Thus, to guarantee patient safety in the attempt to diagnose arterial blockages, MRI’s should replace angiograms in all attempts at diagnosing coronary blockages.
Which of the following, if true, would most support the recommendation above?
(A) Angiograms can be used to diagnose conditions other than blockages in arteries.
(B) MRI’s were designed primarily in order to diagnose blockages in the coronary arteries.
(C) Angiograms reveal more information about the nature of a blockage than an MRI can.
(D) An MRI is just as likely as an angiogram to identify an arterial blockage.(D)
(E) Some patients for whom an angiogram presents no risk are unwilling to undergo an MRI.
11.Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.(D)
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established.
12.A public-service advertisement advises that people who have consumed alcohol should not drive until they can do so safely. In a hospital study, however, subjects questioned immediately after they consumed alcohol underestimated the time necessary to regain their driving ability. This result indicates that many people who drink before driving will have difficulty following the advertisement’s advice.
Which of the following, if true, most strongly supports the argument above?
(A) Many people, if they plan to drink alcohol, make arrangements beforehand for a nondrinker to drive them home.
(B) The subjects in the hospital study generally rated their abilities more conservatively than would people drinking alcohol outside a hospital setting.
(C) Some people refrain from drinking if they will have to drive to get home afterward.
(D) The subjects in the hospital study were also questioned about the time necessary to regain abilities that do not play an important role in driving safely.(B)
(E) Awareness of the public-service advertisement is higher among the general population than it was among the subjects in the hospital study.
13. Investigator: XYZ Coins has misled its clients by promoting some coins as “extremely rare” when in fact those coins are relatively common and readily available.
XYZ agent: That is ridiculous. XYZ Coins is one of the largest coin dealers in the world. We authenticate the coins we sell through a nationally recognized firm and operate a licensed coin dealership.
The XYZ agent’s reply is most vulnerable to the criticism that it
(A) exaggerates the investigator’s a claims in order to make them appear absurd
(B) accuses the investigator of bias but presents no evidence to support that accusation
(C) fails to establish that other coin dealers do not also authenticate the coins those dealers sell
(D) lists strengths of XYZ Coins while failing to address the investigator’s charge(D)
(E) provides no definition for the inherently vague phrase “extremely rare”
14.Both Writewell and Express provide round-the-clock telephone assistance to any customer who uses their word-processing software. Since customers only call the hot lines when they find the software difficult to use, and the Writewell hot line receives four times as many calls as the Express hot line, Writewell’s word-processing software must be more difficult to use than Express’s.
Which of the following, if true, most strengthens the argument above?
(A) Calls to the Express hot line are almost twice as long, on average, as are calls to the Writewell hot line.
(B) Express has three times the number of word-processing software customers that Writewell has.
(C) Express receives twice as many letters of complaint about its word-processing software as Writewell receives about its word-processing software.
(D) The number of calls received by each of the two hot lines has been gradually increasing.(B)
(E) The Writewell hot-line number is more widely publicized than the Express hot-line number.
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什么情况下不能再次参加GMAT考试?:获得考试成绩800分的考生5年内将不能再次参加GMAT考试。
如何获取GMAT考试成绩?:考生本人可在考后20天左右在MBA网站(www.mba.com)自行查询下载正式成绩单。
如何更改或取消GMAT考试?:如何更改或取消GMAT考试?在考试日之前,考生仍然可以在网上申请更改,变更考试日期或考试地点。申请更改考试的考生,进入付费页面,支付一定金额的更改费。在规定的工作日后,查看并确定支付金额到帐后,才可进行更改考试操作。GMAT 考试允许考生取消本人先前的报名,考生可以通过网上完成退考。登录www.mba.com网站,进入选择退考的链接,选择退考。网站会向考生的邮箱发送电子邮件确认退考成功。
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