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标题: 揽瓜阁逻辑做题小分队Day142 [打印本页]

作者: 小白斩鸡 时间: 2021-10-27 23:07
标题: 揽瓜阁逻辑做题小分队Day142
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Scientists recently tested samples of most major brands of prepared baby food and found that more than half the strained fruit and vegetable products tested contained pesticide residues. But in all cases the pesticides were at levels well below established government limits, so there is no danger of ill effects from pesticide residues for infants who eat these foods.

Which of the following, if true, most seriously weakens the argument?

A. All the major brands of prepared baby food had at least one product that was found to contain pesticides.

B. Homemade baby food made with fruits and vegetables that have been carefully washed contains far lower levels of pesticide residues than do the commercial baby food products that were tested.

C. The likelihood that a product would be found to contain pesticides did not depend on the type of fruit or vegetable that product contained.

D. Short-term exposure to pesticide residues in food rarely has long-term effects.

E. The government limits were established solely on the basis of research about adult tolerances for levels of pesticide residues in food.

Mangroves are salt-tolerant trees that form dense masses along sheltered tropical shorelines, including those on the island of Kalami. On Kalami, traditional uses of mangrove wood are quite limited, and no significant fishing goes on in the mangrove swamps. Therefore, the islanders would reap substantial economic gain by accepting a recent offer made by a mainland woodchip company to pay the islanders a fair price for the right to harvest the wood in their mangrove swamps.

Which of the following, if true, most seriously weakens the argument?

A. Most of the species of fish that are important to the Kalami islanders’ fishing industry depend on mangrove swamps as spawning and nursery areas.

B. A significant portion of the money that Kalami islanders might receive from the wood chip company would be devoted to modernizing the island’s fishing fleet.

C. There is not enough indigenous forest left in the interior of Kalami to be of interest to the timber industry or even the woodchip industry.

D. Mangroves do not thrive on the portion of the coastline of Kalami that is oriented toward the open ocean.

E. Wood whose primary use is for woodchips is considerably less valuable than wood that is used in construction or in furniture making.

参考答案：[hide=d30]EA[/hide]

作者: yjjy3712 时间: 2021-10-28 02:04
da

作者: zyycn 时间: 2021-10-28 17:34
1、婴儿食品的农药残留在国标范围内，所以婴儿吃这些食品没有生病的风险。
问weaken
思考：因果论证，考虑削弱因果联系或他因削弱

A：所有婴儿食品的品牌都至少有一种食品有农药残留。无关。
B：自制的婴儿食品农药残留比卖的成品要低多了。无关。
C：事物是否会被发现有农药残留与包含哪种蔬菜水果没有关系。无关。
D：短期接触农药不会有长期影响。方向反了，加强了结论。
E：国标是以成人为标准的。正确，削弱了因果联系，婴儿能承受的标准可能比成人低很多，那这个国标就没有意义。

选E

2、方案：把收割红树林的权力卖给公司，目标：获取大幅利益。
问weaken
思考：方案论证，考虑方案副作用。

A：岛内渔业的鱼在红树林沼泽里产卵。正确，砍伐红树林会影响渔业，从而影响收益。
B：从砍伐红树林得来的一大部分钱会用于渔船。方向反了。
C：岛内没有足够的树木让公司感兴趣。无关。
D：对着海洋的红树林长得不好。无关。
E：用来做木片的木材没有用来做家具的木材值钱。无关。

选A

作者: 大月亮cyn 时间: 2021-10-28 19:02
Day142
1. Weaken E
【P】50%以上的baby food都有农药残留，但都在限制范围内
【C】小孩吃这些食物不会有危害问削弱
A baby food主要牌子都至少卖一个有农药残留的产品对结论没有影响不选
B 无关比较 Homemade 没说，只是在问吃这些有农药残留的食物小孩会不会有事
C 有农药残留与否的可能性和产品所含水果蔬菜的种类无关和结论也无关
D 短期exposure几乎不会产生长期影响有点增强，还是说吃这些东西没什么危害
E 政府的limits是基于成人的情况成人limits不一定合适小孩削弱说明小孩可能会被危害
2. Weaken A
【P】M是一种salt-tolerant树，K上利用M获利有限
【C】把这些树卖给一个公司会获利问削弱
A K里的许多鱼需要M swamps 说明K需要M 不能卖树削弱了 √
B 一大笔钱会用来改进fishing fleet 所以还是获利
C K内部没有很多可以利用的树无关比较和M没关系卖这些树还是会获利
D M在什么地方长得不好无关信息
E woodchip用的木材没有建筑用的价值高无关比较不选

作者: suzeding 时间: 2021-11-4 13:56
EA

作者: svwma 时间: 2021-11-5 11:50
EA

作者: ppp0726 时间: 2021-11-5 17:28
EA

作者: Adamwarrior 时间: 2021-11-7 15:56
EA

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