求几道CR 谢谢！！！

saya630 · 发表于 2010-11-7 23:41:18

The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale—the seven-note musical scale used in much of Western music since the Renaissance.Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.
Which of the following, if true, most strongly supports the hypothesis?

A. Bone flutes were probably the only musical instrument made by Neanderthals.
B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite.

C. The flute was made from a cave-bear bone and the campsite at which the flute fragment was excavated was in a cave that also contained skeletal remains of cave bears.
D. Flutes are the simplest wind instrument that can be constructed to allow playing a diatonic scale.
E. The cave-bear leg bone used to make the Neanderthal flute would have been long enough to make a flute capable of playing a complete diatonic scale.

GWD1-Q39:
Which of the following most logically completes the passage below?
Heavy rains during Centralia’s corn planting season prevented some farmers there from planting corn.It is now the planting season for soybeans, another of Centralia’s principal crops, and those fields originally intended for corn are dry enough for planting.Nonetheless, even though soybean prices are unusually high at present, the farmers will leave most of these fields empty rather than plant them with soybeans, since ??????.

A. the extensive rains have led to an increase in the price of corn
B. some Centralian farmers anticipate serious financial losses due to the extremely wet spring planting season
C. chemicals that were used to prepare the fields for corn planting would stunt the growth of soybeans

D. the majority of Centralia’s corn farmers were able to plant corn as they had intended, despite the wet planting season
E. many Centralian farmers grow both corn and soybeans

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GWD1-Q40:
Until mow, only injectable vaccines against influenza have been available. Parents are reluctant to subject children to the pain of injections, but adults, who are at risk of serious complications from influenza, are commonly vaccinated.A new influenza vaccine, administered painlessly in a nasal spray, is effective for children.However, since children seldom develop serious complications from influenza, no significant public health benefit would result from widespread vaccination of children using the nasal spray.
Which of the following is an assumption on which the argument depends?

A. Any person who has received the injectable vaccine can safely receive the nasal-spray vaccine as well.
B. The new vaccine uses the same mechanism to ward off influenza as jnjectable vaccines do.
C. The injectable vaccine is affordable for all adults.
D. Adults do not contract influenza primarily from children who have influenza.

E. The nasal spray vaccine is mot effective when administered to adults.

sdcar2010 · 发表于 2010-11-8 06:42:12

The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale—the seven-note musical scale used in much of Western music since the Renaissance.Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.
Which of the following, if true, most strongly supports the hypothesis?

A. Bone flutes were probably the only musical instrument made by Neanderthals.
B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite.

C. The flute was made from a cave-bear bone and the campsite at which the flute fragment was excavated was in a cave that also contained skeletal remains of cave bears.
D. Flutes are the simplest wind instrument that can be constructed to allow playing a diatonic scale.
E. The cave-bear leg bone used to make the Neanderthal flute would have been long enough to make a flute capable of playing a complete diatonic scale.

E is the strengthener.

sdcar2010 · 发表于 2010-11-8 06:44:06

Until mow, only injectable vaccines against influenza have been available. Parents are reluctant to subject children to the pain of injections, but adults, who are at risk of serious complications from influenza, are commonly vaccinated.A new influenza vaccine, administered painlessly in a nasal spray, is effective for children.However, since children seldom develop serious complications from influenza, no significant public health benefit would result from widespread vaccination of children using the nasal spray.
Which of the following is an assumption on which the argument depends?

A. Any person who has received the injectable vaccine can safely receive the nasal-spray vaccine as well.
B. The new vaccine uses the same mechanism to ward off influenza as jnjectable vaccines do.
C. The injectable vaccine is affordable for all adults.
D. Adults do not contract influenza primarily from children who have influenza.
E. The nasal spray vaccine is mot effective when administered to adults.

The correct answer is D.

sdcar2010 · 发表于 2010-11-8 06:49:40

GWD1-Q39:
Which of the following most logically completes the passage below?
Heavy rains during Centralia’s corn planting season prevented some farmers there from planting corn.It is now the planting season for soybeans, another of Centralia’s principal crops, and those fields originally intended for corn are dry enough for planting.Nonetheless, even though soybean prices are unusually high at present, the farmers will leave most of these fields empty rather than plant them with soybeans, since ??????.

A. the extensive rains have led to an increase in the price of corn
B. some Centralian farmers anticipate serious financial losses due to the extremely wet spring planting season
C. chemicals that were used to prepare the fields for corn planting would stunt the growth of soybeans
D. the majority of Centralia’s corn farmers were able to plant corn as they had intended, despite the wet planting season
E. many Centralian farmers grow both corn and soybeans

For this one, I will go with C.

saya630 · 发表于 2010-11-8 14:57:22

能不能帮我解释一下。。。

sdcar2010 · 发表于 2010-11-8 22:15:59

Flute: The flute found could only play from the 3rd to the 6th note of the 7-note scale. It is possible that this flute could ONLY play this 4 notes instead of the required 7th. Answer E claims that the flute, at least based on its original length, could play the full notes.

Influenza: The conclusion is that the vaccine for children serves no health benefit. What if when children catch the virus, the virus can be passed on to their parents? If this is the case, then preventing the children from catching the disease could help their parents warding off the same disease, which is a health benefit. To guard against this counter argument, the author HAS to make the assumption of answer D.

Corn/soybean: This is the toughest one. You have to read the whole stimulus very carely.
1) Rain prevented SOME farmers from planting cotton. --> Most farmers were able to plant cotton.
2) Fields originally intended for corn are dry enough for planting. --> This removes continuing wetness as a hurdle to plant soybean. I also think these fields refered to those owned by "SOME farmers" who did not plant corn in the first place.
3) The farmers will leave most of these fields empty. --> Well, these farmers have to be those who have planted corn before since it is illogical for the other, "SOME" farmers not to plant soybean after losing the chance of planting corm.
4) Then you are faced with the question to find why MOST CORN farmers could not plant soybean after the harvest of corns.
5) Answer C fits the bill.

像风一样离去 · 发表于 2011-3-28 17:37:17

回楼上的：
牛人！！！帮你顶。。。
你该去做版主嘛，这么热心。。。

MilkwayG · 发表于 2013-7-31 00:25:13

Sdcar大大

求几道CR 谢谢！！！

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