单词：
单词： 相关文章
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
新东方背诵文选
By Margaret Besheer Washington 18 January 2007 watch Freedom House report A newly released report from the independent Freedom House says a global stagnation has developed over the past decade, and warns that a series of worrisome trends have emerge
2007年VOA标准英语（一月）
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
英语杂谈
连词while除具有当时、同时等意义外，根据上下文还有以下不同含义及其不同译法。 一、引导时间状语从句 译作当时。例如： 1. Make hay while the sun shines. 趁着有太阳晒晒草。 (乘机行事，抓紧时
英文语法词汇
一、 ＂There be＂结构 考生病句： 1. There are many people like to go to the movies. 2. There are different kinds of vegetables can be bought on the market by people. 正确表达： 1. There are many people who like to go to the movies. 2.
实用英语
Monetary policy 货币政策 A long low note 长期低息 Why interest rates can be expected to stay low for years 为什么可以肯定利率在未来数年都会维持在低位？ CENTRAL bankers have a reputation for snatching away the punch bowl
经济学人商业系列