2003年1月5 ?; x. z% f6 @0 k" ^: [+ \8 G) z2 b  S
阅读题6 为所谓很么是D？
; l/ U/ ~/ E) S+ p9 [8 G15 为什么是C而不是B？
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多谢赐教！0 t0 O1 f% D: @& W
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[ 本帖最后由 Aaronon 于 2008-4-17 23:52 编辑 ]

不好意思，请你把题目或者文章的片段拿出来

6. American producers were able to meet this demand largely because of tile invention of the cotton gin by Eli Whitney in 1793. ! w9 K/ j. c1 ?2 N% A( ?, B
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6. Which of the following can be inferred from the passage about cotton production in the United
4 C  \" k* t  C5 rStates after the introduction of Whitney's cotton gin?4 ?3 T- N0 q4 B
(A) More cotton came from sea island cotton plants than before.
  O. x% M: h% B  f( L# H! M4 X(B) More cotton came from short-staple cotton plants than before.& L& s' c" y) Q5 h  a
(C) Most cotton produced was sold domestically.  H& p' j; j# o% J! [
(D) Most cotton produced was exported to England.

文中说：发明了机器之后，棉花多国内消耗；反之，发明之前，被出口了居多，所以选D。
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% ^4 n- ]% c: n. h3 R7 M思路：文章说A时间之后发生了B事情。推断用逆否命题等同源命题观点，应该选择：A时间之前发生B事情的相反事情。# z7 a! `4 `- x3 @5 v+ W) I

* Z/ }/ e* `) F5 A- m7 h7 |[ 本帖最后由 Aaronon 于 2008-4-18 00:22 编辑 ]

Birds also display remarkable behavior in collecting building materials. Crows have8 N# M' f' T& H% `5 E/ W
been seen to tear off stout green twigs, and sparrowhawks will dive purposefully onto a' S# @7 I  X8 o  o
branch until it snaps and then hang upside down to break it off.
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15. Which of the following birds are mentioned as those that build nests that include unusual
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(A) Ravens
5 |5 ~: x- _& p5 L$ g(B) Ospreys
, V: l+ [) N6 |3 E8 E3 B(C) Crows- n0 D/ a+ H; i- R- r/ ?7 i- W
(D) Sparrowhawks

经过两个斑竹的讨论，认为15C是正确的。

15c 为什么对呢？

因为文章说到了:这种鸟用来做巢穴的材料是浴衣等东西，很特别.

那不是应该选B么？而不是C啊

The novelist John Steinbeck recorded the contents of a young osprey nest built in his garden, which included three shirts, a bath towel, and one arrow.