For 30 years, Smithsonian Institution archeologist Dennis Stanford searched in vain for the origins of the first Americans. Every textbook describe
If you wanted to question whether global warming is indeed upon us, last week was not the time to do it. Two weeks before the official beginning of
The once radical notion that birds descended from dinosaurs——or may even be dinosaurs, the only living branch of the family that ruled the earth eo
Plowing through the New York Times on a recent Sunday, I read in the Metro Section that infertile couples in the market for smart-kid genes regular
As you read this, nearly 80,000 Americans are waiting for a new heart, kidney or some other organ that could save their life. Tragically, about 6,0
It has long been known that the rate of oxidative metabolism (the process that uses oxygen to convert food into energy) in any animal has a profoun
Scientists have known since 1952 that DNA is the basic stuff of heredity. They've known its chemical structure since 1953. They know that human DNA
很多考研的同学在复习英语时一头雾水,不知道怎样去复习。在此为大家提供考研英语冲刺阶段复习策略,希望能帮助大家复习好考研英语。 一、单词 这个是基础,不要以为考研不考词汇就不背单词,可以说任何英语考试都需要背单词!没有足够的词汇量,一切都无从谈起。考研大纲规定要掌握55
任何一门学科都有其内在规律,对于考研英语来讲也是一样。在此分析一下考研英语的几大规律,希望考生们能够把握这些规律,有针对的复习提高效率。 规律一:考研英语能力的提高需要考试训练 任何一个考研高分的同学都离不开对相当数量的好题目的分析和训练。考试能力的提高离不开考试技能
衔接词又称逻辑衔接词,在考研英语真题的整张试卷里,以此为命题考点的题目较多,因此熟识衔接词,熟练的运用衔接词,成为解题的一把金钥匙。以下为考研英语中常见的衔接词,和小编一起来盘点吧! 1.表示转折:although, instead, rather than, but, never