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[Critical Reasoning]
试题详情
题目：
In parts of South America, vitamin-A deficiency is a serious health problem, especially among children. In one region, agriculturists are attempting to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in beta-carotene, which the body converts into vitamin A. The plan has good chances of success, since sweet potato is a staple of the region's diet and agriculture, and the varieties currently grown contain little beta-carotene.
Which of the following, if true, most strongly supports the prediction that the plan will succeed?
选项:
A、The growing conditions required by the varieties of sweet potato currently cultivated in the region are conditions in which SPK004 can flourish.
B、The flesh of SPK004 differs from that of the currently cultivated sweet potatoes in color and texture, so traditional foods would look somewhat different when prepared from SPK004.
C、There are no other varieties of sweet potato that are significantly richer in beta-carotene than SPK004 is.
D、The varieties of sweet potato currently cultivated in the region contain some important nutrients that are lacking in SPK004.
E、There are other vegetables currently grown in the region that contain more beta-carotene than the currently cultivated varieties of sweet potato do.
答案:
A
提问：
解答：
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提问：
想请问TINA老师，这题我认为the plan will succeed是指improve nutrition，所以要support这个结论的选项应该和提高营养物质有关，所以第一眼看到A选项关于growing conditions是完全没有感觉的，觉得是个无关选项。请问老师我的思路有什么问题呢？
解答：
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提问：
“提问：
ID627，错选了C项。感觉A和C都对Plan的成功性进行了支持，比较不出来A项比C项好在那里，请老师解答”
刚才有老师解答说C是无关选项，因为C不能确保Plan成功，但A项也无法确保Plan成功啊，他们都不是充分条件，只是一定程度上支持或者说增加了Plan成功的可能性。为什么A可以C不可以呢？
解答：
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阅读9054
提问：
ID627，错选了C项。感觉A和C都对Plan的成功性进行了支持，比较不出来A项比C项好在那里，请老师解答
解答：
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提问：
解答：
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提问：
不懂
解答：
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提问：
麻烦老师比较一下，AC，那个grwoing conditio按照以前老师说的，原味没有提啊，那个C麻烦老师说一下，是属于无关么？还是别的。谢谢
解答：
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提问：
A和B
解答：
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提问：
听了老师的答疑录音，跟老管的做题方法和选项读出的事是一样的，也是剩了A和D。
在AD 中纠结，结果错选了D。能比较一下A和D么？
A说新旧土豆的种植条件
D说土豆所含营养成分问题
现在逻辑的读事已经比一开始有了很大的提高，所以能迅速排除一些选项，总是在两个里面纠结，结果选错。请问老管该怎么办。
解答：
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