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1.(101)The electronics company has unveiled what it claims to be the world's smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs less than 11 ounces.
(A) to be the world's smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs
(B) to be the smallest network digital camcorder in the world, which is as long as a handheld computer, weighing
(C) is the smallest network digital camcorder in the world, which is as long as a handheld computer, and it weighs
(D) is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs
(E) is the world's smallest network digital camcorder, the length of which is that of a handheld computer, weighing
答案:D (错选A)claims to do 和 is 都可以, what it claims is the world's smallest network...
A. 逻辑关系错误,the intended logic should be:
the world's smallest network digital camcorder+further description of怎么个small法:
1. length
2. weight
B. which refers to world, 跳跃修饰only if "in the world" modifies "network digital camcorder"; weighing错误,此处没有causal relationship
C. which refers to world; 逻辑关系错误
E. weighing错误,此处没有causal relationship, “The electronics company has unveiled what it claims to be the world's smallest network digital camcorder” 这个event不会lead to weighing...
考点总结:句子结构与逻辑关系、idiom
2.(102)Unlike a female grizzly bear in the Rockies, which typically occupies a range of 50 to 300 square miles, a male's range will cover 200 to 500 and occasionally as many as 600.
(A) Unlike a female grizzly bear in the Rockies, which typically occupies a range of 50 to 300 square miles, a male's range will cover 200 to 500 and occasionally as
(B) Unlike the range of a female grizzly bear in the Rockies, typically occupying 50 to 300 square miles, a male will cover 200 to 500 and occasionally so
(C) While the typical range of a female grizzly bear in the Rockies is 50 to 300 square miles, with males, their range can cover 200 to 500 square miles and occasionally so
(D) Whereas a female grizzly bear in the Rockies typically occupies a range of 50 to 300 square miles, a male will cover 200 to 500 and occasionally as
(E) The typical range of a female grizzly bear in the Rockies is 50 to 300 square miles, unlike males, which will cover 200 to 500 square miles and occasionally as
答案:D
考点:比较对象、as many as
3.(103)The parachutelike membranes of Africa's scaly-tailed flying squirrels differ from those of the flying squirrels in the family Sciuridae because they are attached to a cartilage rod at the elbow instead of the wrist.
(A) because they are attached to a cartilage rod at the elbow instead of
(B) because of being attached to a cartilage rod at the elbow rather than at
(C) in their attachment to a cartilage rod at the elbow instead of being attached at
(D) in that they are attached to a cartilage rod at the elbow rather than at
(E) in their being attached to a cartilage rod at the elbow instead of
答案:D
A. intended logic is not a causal relationship,also, less parallel expression compare to other choices
B. should be an event, awkward expression
C. should be a clause to express the event as a whole, not simply just "attachment"
D. perfect logic + perfect parallelism, which is what GMAC prefers
E.awkward expression
考点:逻辑关系,平行
4.(104)The yield per acre of coffee berries varies enormously in that a single tree, depending on both its size and on climate and altitude, could produce enough berries to make between one and twelve pounds of dried beans a year.
(A) enormously in that a single tree, depending on both its size and on climate and altitude, could produce
(B) enormously in that a single tree, dependent on its size and also on climate and altitude, is able to produce
(C) enormously, because a single tree, depending on its size and on climate and altitude, is able to produce
(D) enormously, because a single tree, being dependent on its size, climate, and altitude, is capable of producing
(E) enormously, because a single tree, dependent both on its size as well as on climate and altitude, could produce
答案:B
A. both...and..平行
CDE,intended logic is not a causal relationship
in that: further description of 怎么个vary法
5.(105)2001 proved to be the automaker's first losing year since 1992, when the company had lost $7.4 billion, which was primarily because of almost $7 billion in accounting charges.
(A) when the company had lost $7.4 billion, which was primarily because of
(B) when the company had lost $7.4 billion, primarily resulting from
(C) when the company lost $7.4 billion, primarily because of
(D) which is when the company lost $7.4 billion, and that was primarily because of
(E) which is when the company lost $7.4 billion, primarily resulting from
答案:C
A. when refers to 1992, which is a特定的时间点,if you use had lost, you are saying a figure for a period before 1992, not 1992 the specific year itself;
which refers to $7.4 billion, so "$7.4 billio was primarily because of almost $7 billion in accounting charges" ? obviously not that way, should be the whole event not just the figure.
B. when refers to 1992, which is a特定的时间点,if you use had lost, you are saying a figure for a period before 1992, not 1992 the specific year itself;
D,E: which is when, redundant n awkward
6.(106)As with those of humans, the DNA of grape plants contains sites where certain unique sequences of nucleotides are repeated over and over.
(A) As with those of humans, the DNA of grape plants contains sites where
(B) As human DNA, the DNA of grape plants contain sites in which
(C) As it is with human DNA, the DNA of grape plants, containing sites in which
(D) Like humans, the DNA of grape plants contain sites where
(E) Like human DNA, the DNA of grape plants contains sites in which
答案:E
A. GMAC doesnt like as with, unless you have to when in paralle structure: with...as with...;
where refers to a geographical location
B. As in comparion + phrases, not noun; contains
C. reduntant; fragment
D. 比较对象错误;contains; where refers to a geographical location
7.(107)Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.
(A) Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he
(B) Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,
(C) Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he
(D) Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,
(E) Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he
答案:A
B. had not句意上不合逻辑,but后面的句子IC缺少主语
C. had not句意上不合逻辑; 两个主语Galileo and he
D. IC lacks subj
E. even tho... but.... redundant
8.(108)In the United States, while the number of foreign-born residents and their children is higher than ever, the percentage of the population they represent is not; in 1910 this group made up 35 percent of the population when compared to 20 percent in 2000.
(A) population when compared to 20 percent in 2000
(B) population as compared to 2000, when it was 20 percent
(C) population, comparing it with 20 percent in 2000
(D) population, unlike 2000, with 20 percent
(E) population, compared with 20 percent in 2000
答案:E
A. when compared to使句子逻辑错误,this figure is valid only when compared to....
B. when comparing, GMAC prefers parallel strcuture, also in this case, you are comparing 35% with 2000
C,D 用法awkward,比较对象错误
9.(109)Unlike psychiatrists, who are trained as medical doctors, psychologists have historically been forbidden from prescribing their patients drugs, but in 2002 New Mexico began to grant the privilege of prescribing to licensed, doctoral level psychologists who complete an additional training and certification program.
(A) psychologists have historically been forbidden from prescribing their patients drugs, but in 2002 New Mexico began to grant the privilege of prescribing
(B) psychologists have historically been forbidden to prescribe drugs for their patients, but in 2002 New Mexico began granting prescribing privileges
(C) psychologists have historically been forbidden to prescribe their patients drugs, but in 2002 in New Mexico, the privilege to prescribe began to be granted
(D) historically psychologists have been forbidden from prescribing their patients drugs, but in 2002 New Mexico began to grant the privilege of prescribing
(E) historically psychologists have been forbidden from prescribing drugs for their patients, but in 2002 in New Mexico, they began granting prescribing privileges
答案:B
A. forbidden to do
C. by chaging from active to passive, the information of the doer is missing
sum:
1. active and passive are interchangeable only when the info keep the same, e.g. no unintended addinitional info in active and no missing info in passive
2. active is preferred bc normally it is more concise, and the doer and doee of an action are more clearly specified
3. passive is preffered when the indended logic is to emphasize who/what the action is acted upon
10.(110)The ivory-billed woodpecker, once the largest woodpecker in North America at a striking 20 inches tall, has moved in and out of the extinct category, with scientists consistently unable to find solid proof for the bird to still exist.
(A) for the bird to still exist
(B) for the bird as still existing
(C) for the bird's continued existence
(D) that the bird still exists
(E) of the bird and its continued existence
答案:D
extract core:
A. proof for the bird
B. proof for the bird
C. proof for the bird's continued existence, continued is wierd
D. proof that the bird still exists
E. proof of the bird and its continued existence, should be proof for the bird's existence, not 1. the bird and 2. its existence
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