真题3

(上面蓝色字体就是系列一和二,点击就可以!)

用尽量快速和精简的方式讲授最经典的真题难句。

每个句子我会控制在两分钟以内。

你们听完以后需要用同样流畅的中文重复出来。

50句之后你的句子理解能力和翻译能力会有质的飞跃。

09年第二篇文章第六段四句话!

第一句:

Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared.

第二句:

Databases used by some companies don't rely on data collected systematically but rather lump together information from different research projects.

第三句:

This means that a DNA database may differ depending on the company that processes the results.

第四句:

In addition, the computer programs a company uses to estimate relationships may be patented and not subject to peer review or outside evaluation.

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