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1. While it costs about the same to run nuclear plants as other types of power plants, it is the fixed costs that stem from building nuclear plants that makes it more expensive for them to generate electricity.
(A) While it costs about the same to run nuclear plants as other types of power plants, it is the fixed costs that stem from building nuclear plants that makes it more expensive for them to generate electricity.（主谓不一致-错）
(B) While the cost of running nuclear plants is about the same as for other types of power plants, the fixed costs that stem from building nuclear plants make the electricity they generate more expensive.
(C) Even though it costs about the same to run nuclear plants as for other types of power plants, it is the fixed costs that stem from building nuclear plants that makes the electricity they generate more expensive. （主谓不一致 错）
(D) It costs about the same to run nuclear plants as for other types of power plants, whereas the electricity they generate is more expensive, stemming from the fixed costs of building nuclear plants. （，V+ing 表伴伴随去修饰主句的主语，但是这里却是错的。 于此同时 they到底指代的是 Nuclear plants还是other type of power plants, 语义含糊）
(E) The cost of running nuclear plants is about the same as other types of power plants, but the electricity they generate is made more expensive because of the fixed costs stemming from building nuclear plants. （首先 the same as 的前后 一个是cost 一个是plants 这个并不平行； 同时后半句的被动不如B中主动的方式表达的好）
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2. Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two.
(A) one arm is lost it quickly replaces it, sometimes by the animal overcompensating and (主谓不一致 ， starfish在这里指一个群体的时候是个复数， 所以it指代starfish 错）
(B) one arm is lost it is quickly replaced, with the animal sometimes overcompensating and
(C) they lose one arm they quickly replace it, sometimes by the animal overcompensating, （这里 by的用法错了 ，因为紫色部分用的是主动的语态，所以表达xxx方式的时候应该用with 而并不是by， by在被动的语态的时候用 ）(D) they lose one arm they are quickly replaced, with the animal sometimes overcompensating, （one arm和they 是没法对应的，所以they 错了； 其次， overcompensating和 growing应该平行的两个概念， 中间要加 and， 而不是一个逗号）
(E) they lose one arm it is quickly replaced, sometimes with the animal overcompensating, （被动语态应该用by而不是with； 同时 overcompensating 和 growing之间应该有个连词 ）
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3. Although appearing less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year—they are often green and striped, or have plenty of bumps and bruises—heirlooms are more flavorful and thus in increasing demand.
(A) Although appearing less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year (仔细看althoug作为句子的开头，根本找不到主句的动词在哪里， 无论是although引导的句子，还是grown xxxx 都是作为修饰去修饰heirloom tomato的 ，所以这里没有主句)
(B) Although heirloom tomatoes, grown from seeds saved during the previous year, appear less appetizing than most of their round and red supermarket cousins
(C) Although they appear less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year （和A 一样的问题 ）
(D) Grown from seeds saved during the previous year, heirloom tomatoes appear less appetizing than most of their round and red supermarket cousins (首先这样的写法没有了原句中想要表达的那种对比 ， 原句都用的是although来表达这个转折； 其次， grown from seeds saved during previous year，来修饰tomato appear less appetizing,语义是有问题的， 好像不是很逻辑- 因为种子是前些年的所以长的丑？？ ； 再次， 在阔折号的前后其实有两个独立的句子， 1 heirloom tomatos appear less appetizing than 它的的漂亮的堂兄弟姐妹们； 2 heirloom are more falvourful and thus in increasing demand 这两句话中间并没有连词， 在GMAT 中两个独立的句子一定要有一个连词做桥梁，不然就是称作run on sentence 是不对的 ）
(E) Heirloom tomatoes, grown from seeds saved during the previous year, although they appear less appetizing than most of their round and red supermarket cousins （helrloom tomato 作为主句的主语，在这里找不到谓语在哪里， 无论是grown引导的句子还是although引导的句子都是做修饰作用）-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
4.Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
A. Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear. (这里的it要么指代的是heavy commitment 要么指代的是course of action， 语义都不对，不能做miss signs的主语所以排除)
B. An executive who is heavily committed to a course of action, especially one that worked well in the past, makes missing signs of incipient trouble or misinterpreting ones likely when they do appear （这里粉色部分是句子的主干部分 这个语义就是完全错的 ）
C. An executive who is heavily committed to a course of action is likely to miss or misinterpret signs of incipient trouble when they do appear, especially if it has worked well in the past. （it是去指代一个事物， 那根据就近的原则而且又是单数，it指代的是 trouble 。。那语义很不对 ）
D. Executives' being heavily committed to a course of action, especially if it has worked well in the past, makes them likely to miss signs of incipient trouble or misinterpreting them when they do appear. （them 是不能用来指代 executives' 这种所有格； 同时 executives' being committed 这种说法并不优）
E. Being heavily committed to a course of action, especially one that has worked well in the past, is likely to make an executive miss signs of incipient trouble or misinterpret them when they do appear.------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
5. As rainfall began to decrease in the Southwest about the middle of the twelfth century, most of the Monument Valley Anasazi abandoned their homes to join other clans whose access to water was less limited.
(A) whose access to water was less limited
(B) where there was access to water that was less limited （where 的用法错误- where在GMAT里面只能用来指具体的地点，比如学校， 公园 等 clan在这里是代表氏族，是一个群体的人的统称，所以这里不能用where来指代）
(C) where they had less limited water access （where的用法错误）
(D) with less limitations on water access （less 和 limitations 的搭配错误， limitation是可数名词，less不能修饰，应该用 fewer）
(E) having less limitations to water access (同D)
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发表于 2019-9-30 00:03:40
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