Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(201) / 评论(0) 分类 新东方背诵文选

00:06.79]daydream [00:08.16]vi./n.白日做梦 [00:09.53]symptom [00:11.01]n.症状,征兆 [00:12.49]habitual [00:13.81]a.1.习惯性的,习以为常的;2.惯常的,已成规则的 [00:15.12]maladjustment [00:16.71]n.1.失调;2.不适应环境 [00:18.29]compensatory [00:19.75]a.赔

发表于:2018-12-12 / 阅读(88) / 评论(0) 分类 大学英语听力第二册

I began teaching with the idea of giving back; But I received more than I gave. This brings me to the final movement of this speech. It begins with a story about an extraordinary scientific discovery and a newdilemmathat it poses. Its a call to arms

发表于:2018-12-18 / 阅读(23) / 评论(0) 分类 TED演讲教育篇

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(75) / 评论(0) 分类 英语杂谈

沉湎过去,就无法与今天同行,明天因而也成了一个遥遥的无期。 沉湎过去,就无法让我们的每天过得精彩,痛苦因而成了一个咒语无法摆脱。 What is Your Recovery Rate? What is your recovery rate? How lon

发表于:2019-01-30 / 阅读(109) / 评论(0) 分类 精美英文欣赏

University Entrance Exam 大学入学考试 UNIVERSITY OF MIAMI ENTRANCE EXAM--FOOTBALL PLAYER VERSION 迈阿密大学入学考试试题(足球运动员特招生卷) Time Limit:3 weeks 时间:3个星期 1. What language is spoken in France? 1. 法

发表于:2019-02-17 / 阅读(62) / 评论(0) 分类 英语小达人