新gre考试实施以来,参加了新版gre考试的考生都觉得阅读部分的题难度增加了,这主要是由于新gre考试逻辑阅读需要考生的逻辑反应一定要比以前更快,可能考生还是有点不习惯,或是没有准备充足。那么,接下来的几天,小编将给大家搜索整理一些新gre考试逻辑阅读的练习题,希望考生能从平日的练习中总结规律,找到解题技巧。
Until about five years ago, the very idea that peptide
hormones might be made anywhere in the brain besides
the hypothalamus was astounding. But laboratory after
laboratory found that antiserums to peptide hormones,
5 when injected into the brain, bind in places other than the
hypothalamus, indicating that either the hormones or
substances that cross-react with the antiserums are present.
The immunological method of detecting peptide
hormones by means of antiserums, however, is
10 imprecise. Cross-reactions are possible and this method
cannot determine whether the substances detected by the
antiserums really are the hormones, or merely close relatives.
Furthermore, this method cannot be used to
determine the location in the body where the detected
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