TPO5阅读第三篇39题中

问题描述:

TPO5阅读第三篇39题中
B.一个以前不知道的Burgess Shale动物
For example(这不是现在知道)a well-known Burgess Shale animal called Sidneyia is a representative of a previously unknown (以前不知道的)group of arthropods (a category of animals that includes insects,spiders,mites,and crabs)" =
例如伯吉斯页岩化石群中的一种著名动物,Sidneyia,就是一种典型的以前还不为人知的节肢动物(一种动物分类,它包括昆虫、蜘蛛、螨虫和螃蟹).
这不是以前不知道 的 正好吗 为什么选C?
1个回答 分类:英语 2014-10-02

问题解答:

我来补答
.“Sidneyia” is an example of
  ○ a relative of Anomalocaris and Wiwaxia
  ○ a previously unknown Burgess Shale animal
  ○ an extinct member of a currently existing category of animals
  ○ an animal that cannot be assigned to any modern animal group
原文The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.For example,...
看到for example不要向后找,要向前找,知道这是举得哪方面的例子.是举得现代节肢动物在史前的已经灭绝的代表.他举例子是为了啥,B选项没错,但不是为了B举例子,是为了C
 
 
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