讨论一下新CR84

cicelywang

84.    (26216-!-item-!-188;#058&001794)

The general availability of high-quality electronic scanners and color printers for computers has made the counterfeiting of checks much easier.  In order to deter such counterfeiting, several banks plan to issue to their corporate customers checks that contain dots too small to be accurately duplicated by any electronic scanner currently available; when such checks are scanned and printed, the dots seem to blend together in such a way that the word “VOID” appears on the check.
A questionable assumption of the plan is that
A. in the territory served by the banks the proportion of counterfeit checks that are made using electronic scanners has remained approximately constant over the past few years
B. most counterfeiters who use electronic scanners counterfeit checks only for relatively large amounts of money
C. the smallest dots on the proposed checks cannot be distinguished visually except under strong magnification
D. most corporations served by these banks will not have to pay more for the new checks than for traditional checks
E. the size of the smallest dots that generally available electronic scanners are able to reproduce accurately will not decrease significantly in the near future

有人解释：高质量的电子扫描机器和彩色打印机使得制造假的支票更加的容易，为了防止假造，一些银行开始计划给客户使用一种含有非常小点的支票，这种支票的小点太小以至于不能被现在的扫描仪扫描，当扫描的时候，支票上会出现“ＶＯＩＤ”的字样。问ｄｅｐｅｎｄ？　Ｅ选项说那些扫描仪不会在短时间内可以伪造出那么小的点。说明小点有用。

但我觉得questionable assumption应该是问weakness，E是说小点的大小在短时间内不会有多大程度缩小，而现在扫描仪可以复制。所以对于银行的计划没什么用。

虽然选的一样，但是怎么理解完全不同，大家怎么看

sdcar2010

A questionable assumption, is still an assumption question, not weaken question.

E is the necessary assumption, and this assumption has hole therein.