Center Launched to Fight Diseases A national disease prevention and control center has just been established to enhance efforts to fight diseases. The...
第三部分 概括大意和完成句子阅读下面的短文，每篇短文后的练习分两部分，第一部分要求从所给的选项里选出所标段落的段落标题；第二部分要求根据文章的内容用所给的选项来完成句子。Family Gardening 1. The key to gardening with kids, says Patti Kr...
Science Fiction1. Amongst the most popular books being written today are those which are usually classified as science fiction. Hundreds of titles are...
Architecture1. Architecture is to building as literature is to the printed word. The best buildings are often so well constructed that they outlast th...
Earthquake1. Every year earthquakes are responsible for a large number of deaths and a vast amount of destruction in various parts of the world. Most ...
Museums in the Modern World1. Museums have changed. They are no longer places for the privileged few or for bored vacationers to visit on rainy days. ...
Geology and Health1. The importance of particular metals in the human diet has been realised within the past few decades, and the idea that geology mi...
Hurricanes1. Did you know that before 1950, hurricanes had no names? They were simply given numbers. The first names were simply Alpha, Bravo, Charlie...
baby n. 婴儿，幼畜，雏鸟bachelor n. 未婚男子；学士back n. 背面，背部，后部，后面；a. 回去，倒回；后面的，背后的；ad. 支持，后退background n. 背景bacterium n. 细菌bad a. 坏的，有害的，不利的，低劣的，拙劣的，腐败的，臭的，严重的，厉...
board n. 木板，纸板，伙食，董事会，理事会boast vi. 夸耀，说大话；vt. 以有…而自豪，夸，自夸；n. 自夸的话，可夸耀的事boat n. 小船，艇，船形物；vi. 划船body n. 身体，躯体，车身，船身，正文，主要部分boil vi. 沸腾；vt. 煮(沸)boiler n....