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[求助]Lsat-5-2-20

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楼主
发表于 2004-1-3 13:47:00 | 只看该作者

[求助]Lsat-5-2-20

20.In Brazil, side-by-side comparisons of Africanized honeybees and the native honeybees have shown that the Africanized bees are far superior honey producers. Therefore, there is no reason to fear that domestic commercial honey production will decline in the United States if local honeybees are displaced by Africanized honeybees.
Each of the following, if true, would weaken the argument EXCEPT:
(A) The honeybees native to Brazil are not of the same variety as those most frequently used in the commercial beekeeping industry in the United States.
(B) Commercial honey production is far more complicated and expensive with Africanized honeybees than it is with the more docile honeybees common in the United States.
(C) If Africanized honeybees replace local honeybees, certain types of ornamental trees will be less effectively pollinated.
(D) In the United States a significant proportion of the commercial honey supply comes from hobby beekeepers, many of whom are likely to abandon beekeeping with the influx of Africanized bees.
(E) The area of Brazil where the comparative study was done is far better suited to the foraging habits of the Africanized honeybees than are most areas of the United States.
答案:C.  问的是not weaken, 即与上述观点一致。钟某种树不易授粉,则蜂蜜产量下降。这不是与稳中相反吗? weaken? or not weaken?
沙发
发表于 2004-1-3 13:56:00 | 只看该作者
As far as I know, honey production has nothing to do with pollinating, which is a process for the plant to bear fruits. So no matter the flowers get pollinated or not, the plants will bloom anyway, and provide source of honey. Also, C said that the tree is for ornament only, eliminating any possibility that the tree is for the purpose of honey production.
板凳
 楼主| 发表于 2004-1-4 00:14:00 | 只看该作者
Thank you so much.
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