T-3-Q3.的问题，另外哪里可以下载 天山逻辑题的讲解答案阿。。。谢谢

T-3-Q3.
    

Scientists have made genetic modifications to cotton to
increase its resistance to insect pests. According to farmers’ report, the
amount of insecticide needed per acre to control insect pests was only slightly
lower for those who tried the modified seed than for those who did not.
Therefore, since the modified seed costs more than ordinary seed without
producing yields of higher market value, switching to the modified seed would
be unlikely to benefit most cotton farmers economically.

Which of the following would it be most useful to know in
order to evaluate the argument?

1. Whether farmers who tried the modified cotton
        seed had ever tried growing other crops from genetically modified seed.
2. Whether the insecticides typically used on
        ordinary cotton tend to be more expensive than insecticides typically used
        on other crops.
3. Whether for most farms who grow cotton it is
        their primary crop
4. Whether the farmers who have tried the modified
        speed planted as many acres of cotton, on average, as farmers using the
        ordinary seed did.
5. Whether most of the farmers who tried the
        modified seed did so because they had previously had to use exceptionally
        large quantities of insecticide.

ding

有人能给讲一下吗？在搜索区找不到？

或是给一个对应的能搜到的题号？

谢谢大家

哦，找到了，原来题号是天山-3-3

LZ可以搜一下，很多讨论

http://forum.chasedream.com/dispbbs.asp?boardid=24&replyid=1074314&id=83238&page=1&skin=0&Star=1

这个是NN们讨论的帖子