场景分类上生物篇第十篇鸟2
! _3 ^' x  t  Y- y# fthe human eye has three different types of color receptors that respond to three basic colors-red ,green and blue or other colors are seem to combinations of these different types of receptors." [& M& A7 H; v, N
This is possible,because small animals use urine to mark their trails and urine observed un light
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urine 是尿的意思吗？ ,是observe 吗？我觉得是 absorb这样理解的通。
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是尿。这个你觉得是用尿吸收紫外线？还是观测吧！

尿观测UV光吗？不理解

听了一下,很清楚是absorb

确实是absorb之前我没听，还是push 认真啊

thank you both

请问场景分类上里历史第二篇人物，第三题为什么选D？通篇都没有提到交通啊？？？~~~~~~~
% x, z$ [0 h: J. T3. To what industry did Albert Kahn make a major contribution?
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C．Textiles 2 j% L7 w: R! f$ |, z5 E' w
D．Transportation

场景上compus第十篇里有一句 My boss just did me a favor by putting me on evenings and he will hit the ceiling if I ask to change again.! g- b* U) E# @: m% d  E* ]
其中 hit the ceiling 是啥意思啊？

引用:

原帖由 苏珊 于 2008-8-7 12:21 发表 7 Q1 q$ V- x$ e
场景上compus第十篇里有一句 My boss just did me a favor by putting me on evenings and he will hit the ceiling if I ask to change again., n% v: Y) d: ^( G( T' ^5 ]' q/ q
其中 hit the ceiling 是啥意思啊？

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表示很生气。

场景分类上生物篇第十二篇鸟的第六题选什么？