GWD-6-21正确选项如何理解

missgmat

Whether the insecticides typically used on ordinary cotton tend to be more expensive than insecticides typically used on other crops.

using  typically means that other crops but not cotton. the modified cotten is a new one, but traditional one, and could not use typically.

so, B is incorrect.

I choose E.

Whether most of the farmers who tried the modified seed did so because they had previously had to use exceptionally large quantities of insecticide.

because it is exceptional. means: it is more than estimate mount. then: more than used in modified seed.

[此贴子已经被作者于2007-1-26 3:53:35编辑过]

lb1900

E. if answer yes to E, the answer denies the representativeness of the sample for the whole pool.

D. If the sample is large enough to be the representative for the cotton farmer, it is ok to got the conclusion in the argument. Thus, it is no necessary that the acreage of the modified cotton is as same as the normal ones.

[此贴子已经被作者于2007-4-23 17:31:10编辑过]

szy733

up

thinks

我也选E.

zhengjingzhe

up