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46.        【版本1】 516有一个镇，某年底本镇的失业人口比年初多了1500， 但就业的positions却比年初多了1000， 结论是外来的人口占了2500左右的工作位置，问假设：年初时外镇人few 或no 在该镇工作。
【版本2】737 某地无工作人数年底比年头多了1000人，而full-time and part-time jobs的数目却增加了1500个。因此，外地人到本地工作的人多了2500人。
问assumption: 我选的是“Only a small number of本地人在本职以外兼职”

47.        528完成句子ver 65歲的老年人,體重下降10%的比體重沒下降的老年人有2倍機會骨折(hip fracture),但不表示weight loss是造成risk增加的原因,因為?(serious illness, which contributes to weight loss, may increase the risk,大意如上,為weight loss再找個前因就對了)

48.        545[版本一]S市增加了很多就业岗位，人口增长数量少于岗位增长数量，新增岗位都被该市居民占领，但是就业率却没有上升。为什么？
[版本二]某市去年增加了很多新公司，也增加了很多新工作，因此某市人民的去年新就业数比例大量增加，但是今天没有增加这么多公司，表示今年人民的新就业比例无法像去年一样大量增加，问assumption.. [ANS:新增加的公司没有提供较去年多的工作机会][GWD]
[版本三]S county 是某市(N)的sub什么玩意儿，大概就是附属地区啦，呵呵，过去一年的工作增长数量显著超过了人口增长数量，但是这些新增加的工作都被S county本地的居民给occupy了，而且S county 的工作人口与总人口的比例没有显著变化（基本一致），问合理解释 [ANS:偶选S county 原来在某市(N)工作的人们都回来支援本地区的建设啦，呵呵，就是occupy了本地新增的工作]

49.        √549植物通过叶子上的一个tanima?呼吸二氧化碳，某植物的这个东东很小，叶子是sac-shape，住了蚂蚁，蚂蚁呼出的二氧化碳中含有一种light-form carbon　（我认为就是c12）比一般空气中的二氧化碳的c12要多，问推论 [ANS(1):选项很长,最后选了讲浓度的那个] [ANS(2):没看到浓度的，偶选了研究证明该植物的成分中light-form carbon比例明显偏高]

50.        551大人不喜欢防小孩开启的药瓶,而且有很多家里没有小孩的成年人，因此某个品牌的阿司匹林厂商准备开始生产使用没有防小孩开启功能的药瓶的阿司匹林，而在此之前，该公司只生产用带防小孩开启功能药瓶的阿司匹林。该公司预计这样做会增加市场份额。问以下有什么evaluation能够衡量该公司计划的可能性。 [ANS:调查一下那些将要买这些用无防小孩开启功能的药瓶的阿司匹林的人会不会因为没有选择而仍然买这个品牌的用防小孩开启功能的阿司匹林]

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51.        555 ice age有一种生物的数量大大降低（boldface）。有人说是因为温度降低造成的。但是这种生物生活的海底温度变化不可能太大（boldface）。可能是海面的生物因为温度降低而减少，从而消减了第一种生物的食物来源。

52.        592一道天山 Ecologist: The Scottish Highlands were once the site of extensive forests, but these forests have mostly disappeared and been replaced by peat泥煤 bogs沼泽. The common view is that the Highlands' deforestation was caused by human activity, especially agriculture. However, agriculture began in the Highlands less than 2,000 years ago. Peat bogs, which consist of compressed decayed vegetable matter, build up by only about one foot per 1,000 years and, throughout the Highlands, remains of trees in peat bogs are almost all at depths great than four feet. Since climate changes that occurred between 7,000 and 4,000 years ago favored the development of peat bogs rather than the survival of forests, the deforestation was more likely the result of natural processes than of human activity.
In the ecologist's argument the two portions in boldface play which of the following roles?
A   The first is evidence that has been used in support of a position that the ecologist rejects; the second is a finding that the ecologist uses to counter that evidence.
B. The first is evidence that, in light of the evidence provided in the second, serves as grounds for the ecologist's rejection of a certain position.
C. The first is a position that the ecologist rejects; the second is evidence that has been used in support of that position.
D. The first is a position that the ecologist rejects; the second provides evidence in support of that rejection.
E. The first is a position for which the ecologist argues; the second provides evidence to support that position.

53.        【版本1】670说一个乐器公司的经理分析说，他们公司的高端产品不挣钱，因此为了增加收益平衡利润什么的目的，要取消这些产品，问weaken？我选most 顾客通常选择那些出品高端产品/很出名产品的公司的同系列低端产品。
【版本2】1026还有一题是某音乐器材厂决定停产高价位的，因为没有低价位的收益好，问WEAKEN的（我选的是人们愿意多出点钱买低价位的，是因为知道他们也生产高价位的）

54.        685有条河，增经被糟踏了，治污之后，又恢复生机；现在要搞个输油管道，有人跳出来反对，说会造成这条河再次被糟蹋，问支持：我选了铺输油管道的时候，会把河底沉淀的毒素给搅伐搅伐又释放出来。。

55.        691有一个人要想要去面试一家大的公司的经理职位，可是那家公司只录取一百个人，而那家间公司ㄧ次只收１０００封履历表，那个人觉得录取的概率只有１００分之１，所以在考虑值不值得去？问如何ｗｅａｋｅｎ他的想法。第一个好像是说履历表中非经理职位的人比经理职位的人多。第二个是说那个人的素质比其他面试的经理人好，第三个是说他没有机会去了。

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56.        【版本1】694老鼠有一种东东a会进入血液使其有毒，科学家发现老鼠在同时有东东a和东东b的时候毒性会减少，科学家得出结论说东东b解毒。问削弱，偶答：东东b阻止了东东a进入血液。
【版本2】mice体内会释放一种m开头的物质，这种m物质会释放老鼠体内的某种bacteria进入blood，造成blood-poisoning；在实验中，将某种n开头的物质加入老鼠体内，结果blood-poisoning的情况就变少了，所以推论n物质可以?inhibite物质的释放。 问：assumption ?
答：(?)n物质对于bacteria不是(是)toxic(有害的) ?
(因为如果是有害的，那么blood-poisoning的情况变少有可能是因为n物质直接杀死bacteria，而非抑制m物质而 间接影响bacteria。)
【版本3】1102GWD-29-Q40  Mice that have been given morphine are very likely to develop blood poisoning because bacteria that normally reside in the intestine typically respond to morphine by migrating into the bloodstream.  However, when mice are given both morphine and the new drug naltrexone, blood poisoning is much less frequent, although it does still occur.  These results provide support for researchers’ prediction that naltrexone will turn out to be toxic to certain types of bacteria.
Which of the following, if discovered to be true, would most seriously weaken the support for the researchers’ prediction?
A After being administered to mice, naltrexone does not pass from the bloodstream into the intestine.
B Naltrexone inhibits morphine from triggering the migration of intestinal bacteria into the bloodstream.
C Mice that have been given naltrexone but not morphine have no greater risk of developing blood poisoning than do mice that have not been given either substance.
D The increased risk of blood poisoning is not the only harmful effect on mice of being given morphine.
E Conditions other than the presence of intestinal bacteria in the bloodstream can cause blood poisoning in mice.

57.        √699一个国家有很多石油在vertical well里面，（下一句不太记得，讲的是horizontal well）.然后说现在大部分的vertical well都被开采了，但是在这些 vertical well里面还剩下很多油。有一种horizontal drill能开采这些用一般vetical drill没法开采的石油，问以上叙述支持下面那个结论。

58.        733（版本一）美国1987年的全国统计显示全国有38%的家庭(household)养狗狗做宠物，1991年的全国统计结果显示全国有34%的家庭养狗狗做宠物。根据对于全美家庭养猫的统计显示，1987——1991四年中，美国养猫的家庭百分比一直在31%，但是统计也表明1991年，美国家庭宠物猫的数量比宠物狗的绝对数量要多出4.5million。请问下面哪一项可以解释这个1991年这个discrepancy？
（版本二）说养宠物的那个，选养猫的往往不止养一只，养狗的往往只养一只。我选的是1991年美国平均每个家庭养猫的数量比养狗的数量多。

59.        736一种渔网由于捕鱼的时候会把鱼弄死,有时把濒临绝种的都弄死了,于是政府出钱换渔网,不会再把鱼弄死了.问哪一个问题是最值得渔夫考虑换不换渔网的--我选了那个换新渔网捕鱼量会不会减少

60.        753 小孩在做在车子前面比后面危险。小孩带保险带比不带危险。但小孩在后面一般不喜欢带安全带。 因此提倡小孩做后面。削弱的。小孩如果做后面，他不带安全带的话，未必比坐在前面带安全带安全。

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61.        754有一种鸟叫雪鹅snow geese，这家伙很坏，它一来就欺负别的鸟，让别的鸟没法活了。以前，雪鹅的栖息地southern XXX的政府约束大家打雪鹅，现在认为大家一起打它，别的鸟就能活了。Weaken
我选的是：雪鹅数量激增，已经在过去不栖息的地方恢复了栖息。(就是说光一个地方打它，还不够。)
version2 Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.
Which of the following, if true, most seriously undermines the argument?
A Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.
B It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
C The number of snow geese taken by hunters each year has grown every year for several years.
D As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.
E In the snow goose’s winter habitats, the goose faces no significant natural predation

62.        √775有一Explain题: 说Q，K两个飞机制造商去竞标A航空公司的150架客机订单。同时有且仅有这两个制造商在竞标B航空公司的150架客机。A公司说想要Q制造商来供应，B公司也倾向于要Q来供应。如果K制造商没拿到订单，就得裁员。但是K的经理说，他们不会裁员。问解释。我选了：Q的生产能力最多只能提供150架客机。

63.        790一种鸟(jay)生活在一个20英亩的林子里. 现在开发商要开发这片森林. 但法律规定只有对鸟有相应保护措施才可开发, 因为鸟的品种濒临绝种, 而开发商将在20英亩的森林的旁边建立一个40英亩的林子, 这样就可以达到法令的规定从而可以开发. 问削弱.答案: 如果鸟巢被毁, 这种鸟会失去捕食及重新筑巢的欲望.version2有人要拆树林，有人让建新nest for jays,问削弱，答jays会失去方向感，绝食

64.        802记得有一道，大意说是female dolphin长fat, 她们在某个海边感染到的毒素存在fat里，结果喂奶时传给了baby, 所以baby dolphin死亡率高。问加强我选的大意是：那些妈妈在断奶前就死了的小海豚存活率要高些

65.        √808deer tide的larva把white mouse的bacteria感染到人的那题，问weaken，选项有变，选成年的这种虫会把被有bacteria的larva叮过的deer上的bacteria传染给人

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66.        819说雪覆盖的地面发出的radiation 少于没有覆盖的,因为雪会吸收一部分soil的radiation 。为了防止山洪爆发，要测雪的深度，所以可以通过测量radiation来实现。现在飞机也能测radiation 了，所以一些remote area的雪的厚度可以用这个方法，问most weaken? A: 山里的雪经常大到根本不会有Radiation 通过雪层

67.        【版本1】839一种larva，生活在没有生态系统的水里。试验中把鱼放到这种水里，鱼会疯狂吃这种larva，但是因为缺氧，鱼会很快死亡。因此，这种生物生活的环境里肯定没有植物也没有鱼。问assumption。选项有一个是：在很少植物的地方，缺氧是鱼死亡的唯一原因。还有一个是：植物很多的地方，植物并不提供保护使这些生物不被鱼吃掉。
【版本2】一个池塘里有一种微生物，它破坏池塘的生态循环系统是池塘里没有氧气，鱼儿以这种微生物为食物，虽然池塘里种了很多水藻，但鱼儿最后还是因为缺氧大量死亡。所以，专家认为是微生物的存在是鱼儿缺氧死亡的原因。问削弱？
【版本3】845有一道说蚊子的卵在静止的水里容易繁殖和成长，如果把一种鱼放进这样的水里，就会把它们吃掉。 但是鱼在这样的水里，要一些必要的绿色植物给他们氧气，否则时间一长就会死。 所以建议在这样的水里，放绿色植物和鱼来消灭蚊子，问假设？选项很搞，我选这些绿色植物不会对蚊子的卵产生一种保护的物质，使得他们不被鱼吃

68.        861再一个,前面是一大堆的evidence,什么得忧郁症的人有百分之几都感染了D病毒,什么什么一大堆,没细看,后面推出结论,忧郁可能导致人们易受D病毒的感染.问哪个加强结论,我选一个independent的实验证明有忧郁症的人易受多种病毒感染.

69.        √867某国提高香烟税，并准备把得到的钱放在教育上。该国预计（1）可以使该国的香烟总消耗量下降（2）这个措施既可以增加在教育上的投入。问can best support which of the following conclusion?也就是能得到什么结论（仅供参考：我选了“如果（1）效果好就会影响（2）的效果”）

70.        √905在英国一个镇发现了一个timber，直到现在还为peasant所用，而这timber早在1990年前就fell了。所以这个发现比之前认为的在Kent这个镇上发现的1930年历史的房子更早远。问assumption。我好像选了一个说这个it was not stored or seasoned but used immediately after the timber fell.

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71.        √916(05,06year high rates)过山车产生高G过载, 少数时候使人眼前发黑而眩晕, 极少数时候致人永久性脑损伤, 有人立法限制过山车最大G过载值, 若此立法通过且被严格执行, 下列何种措施可以帮助我们评估该立法对于减少永久性脑损伤的作用?
Version2.A roll coaster’s G force makes some rider blackout for a moment, some have permanent damage on neck and back. So gov. need to regulate the G force... Ask: what else should we know.
Version3.什么ROLLER通常会造成游客瞬间头晕,有的甚至会(极少数不高于百分之二)造成LONG-TERM DAMAGE TO BRAIN.经科学家研究发现是ROLLER在空中运转过程中超过了重力G值,所以政府应该通过立法来减少重力G值.问WEAKEN?(我预期的是足以保证人不会受伤害的G值没有被高估,不过没有,选了一个它因)
Version4有过山车那个，说引起人不爽什么的。我选的答案是是否还有别的因素导致人不爽。

72.        926公司发现体型out of shape的员工比fit的员工的医疗费更多，于是想实施一个健康计划，让体型不好的员工多锻炼，就可以减少医疗费支出，问评价。我选了个这个计划本身是否会产生更更大的医疗费用因为……

73.        946. 房屋火灾保险比水灾保险保费便宜很多，但是却不是因为火灾和水灾赔偿数量有不同，因为这种不同可以被忽略（题目很绕，实际就是说赔火灾和赔火灾的赔款差不多），那么报废不同的原因是———— 完成原文 我选的是因为认为他们房子面临火灾危险的人比认为他们房子面临水灾危险的人多得多（我想意思就是说买火灾保险的人要比买水灾保险的人多得多，既然赔款差不多，买火灾保险的人多，那么每个人的保费就低了）


74.        949研究发现，古代人类的身高是和食物中的蛋白质摄取有关，蛋白质摄取越高，身高越高。最近考古发现一个山洞里原始人的骨骼，发现比较年代较近的骨骼比年代较远的骨骼要矮，所以推测，晚期原始人的食物中蛋白质含量比早期原始人要少。问weaken:  我选的是：这些骨骼中较为早期的是比较特殊的原始人（一个看不懂得名词，据推测大概是头人，首领的意思），他们的食品中的蛋白质比其它common 原始人要高。（指出导致现象的其他原因，是原始人的地位问题，而不是时间先后影响饮食中蛋白质的含量）

75.        958Mayor: Migrating shorebirds stop at our beach just to feed on horseshoe-crab eggs, a phenomenon that attracts tourists. To bring more tourists, the town council plans to undertake a beach reclamation开垦 project to double the area available to crabs for nesting.
Birdwatcher: Without a high density of crabs on a beach, migrating shorebirds will go hungry because shorebirds only eat eggs that a crab happens to uncover when it is digging its own nest.
Which of the following, if true, would provide the mayor with the strongest counter to the birdwatcher’s objection?
A Every year a certain percentage of crabs are caught by fishermen as bait for eel traps.
BHorseshoe crabs are so prolific that given favorable circumstances their numbers increase rapidly.
C On average, tourists who come to the town in order to watch birds spend more money there than tourists who come for other purposes.
DThe additional land madeavailable by the reclamation project will give migrating shorebirds more space.
ESome of the migrating shorebirds make only one stop during their migration form South America to Canada.

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76.        962 Anyone who pays tax will not be punished, since John is not punished, he must pay tax Which parallel the above statement with the similar flaw?
a) People along with dog is not lonely. Amy must have a dog, because she is lonely

77.        √【版本1】972 天山-7-13
Lyme disease is caused by a bacterium transmitted to humans by deer ticks. Generally deer ticks pick up the bacterium while in the larval stage from feeding on infected white-footed mice. However, certain other species on which the larvae feed do not harbor the bacterium. Therefore, if the population of these other species were increased, the number of ticks acquiring the bacterium and hence the number of people contracting Lyme disease would likely decline.
Which of the following, if true, most strengthens the argument?
A Ticks do not suffer any adverse consequences from carrying the bacterium that causes Lyme disease in humans.
B There are no known cases of a human’s contracting Lyme disease through contact with white-footed mice.
C A deer tick feeds only once while in the larval stage.
D A single host animal can be the source of bacterium for many tick larvae.
E None of the other species on which deer tick larvae feed harbor other bacteria that ticks transmit to humans
【版本2】1088一种鹿在干什么的时候感染了老鼠病毒，并传播给人，可是这个鹿的另一个种类在做这个的时候就不会感染病毒。所以后一种鹿的数量提高，人就没那么容易得病。问assumption还是support。我选了人不会直接从老鼠那里直接得病。

78.        973 GWD-5-Q30:
Which of the following most logically completes the argument?
The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______.
A many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life
B it is clear that killing bacteria that may be present on food is not the only effect that irradiation has
C cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods
D certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is
E for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded

79.        【版本1】977Many winemakers use cork stoppers软木塞; but cork stoppers can leak, crumble, or became moldy发霉, so that those winemakers must often discard a significant proportion of their inventory of bottled wine. Bottlemaster plastic stoppers, which cannot leak, crumble, or mold, have long been available to winemakers, at a price slightly higher than that of traditional cork stoppers. Cork prices, however are expected to rise dramatically in the near future. Clearly, therefore, winemakers who still use cork but wish to keep production costs from rising will be forced to reconsider plastic stoppers. And since the wine-buying public’s association of plastic stoppers with poor-quality wine is weakening, there is an excellent chance that the Bottlemaster plastic stopper will gain an increased share of the market for wine-bottle stoppers.
In the argument given, the two portions in boldface play which of the following roles?
A) The first is a judgment that has been advanced in support of a position that the argument opposes; the second is the main conclusion of the argument.
B) The first is a judgment that has been advanced in support of a position that the argument opposes; the second is conclusion drawn in order to support the main conclusion of the argument.
C) The first is the main conclusion of the argument; the second provides evidence in support of that main conclusion.
D) The first is the main conclusion of the argument; the second is a restatement of that main conclusion.
E) The first is a conclusion drawn in order to support the main conclusion of the argument; the second is that main conclusion.
答案是E
【版本2】1105附GWD-24-Q24
Many winemakers use cork stoppers; but cork stoppers can leak, crumble, or became moldy, so that those winemakers must often discard a significant proportion of their inventory of bottled wine. Bottlemaster plastic stoppers, which cannot leak, crumble, or mold, have long been available to winemakers, at a price slightly higher than that of traditional cork stoppers. Cork prices, however are expected to rise dramatically in the near future. Clearly, therefore, winemakers who still use cork but wish to keep production costs from rising will be forced to reconsider plastic stoppers. And since the wine-buying public’s association of plastic stoppers with poor-quality wine is weakening, there is an excellent chance that the Bottlemaster plastic stopper will gain an increased share of the market for wine-bottle stoppers.
In the argument given, the two portions in boldface play which of the following roles?
A)     The first is a judgment that has been advanced in support of a position that the argument opposes; the second is the main conclusion of the argument.
B)      The first is a judgment that has been advanced in support of a position that the argument opposes; the second is conclusion drawn in order to support the main conclusion of the argument.
C)     The first is the main conclusion of the argument; the second provides evidence in support of that main conclusion.
D)     The first is the main conclusion of the argument; the second is a restatement of that main conclusion.
E)      The first is a conclusion drawn in order to support the main conclusion of the argument; the second is that main conclusion.
Many winemakers use cork stoppers; but cork stoppers can leak, crumble, or became moldy, so that those winemakers must often discard a significant proportion of their inventory of bottled wine. Bottlemaster plastic stoppers, which cannot leak, crumble, or mold。（然后描述变了）现在的两者的价格差不多，但是不久cork要涨价。可是很多造酒者还是要用cork。说明价格不是他们考虑的唯一因素。我选的是两个都是evidence支持结论的。

80.        985gwd的金子的问题，就是谁谁发现了金子，然后回报给女皇，女皇派人去但是什么也没发现，所以说当时的测金子的手段是错了，问assumption.

leafage

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