科技英語閱讀

前言

　　隨著我國對外科技交流的發(fā)展，科技英語已成為我國科技工作者查詢科技資料、撰寫學術論文、進行對外學術交流的工具。因此，對大學生尤其對理工科和英語專業(yè)的大學生而言，掌握科技英語使用技能的必要性和重要性正與日俱增。閱讀技能是所有技能的基礎，要想進一步提高科技英語水平，首先應突破閱讀關?！　”緯氖褂脤ο笫且丫邆浯髮W英語四級水平，希望繼續(xù)提高英語水平的理工科大學生和英語專業(yè)二、三年級學生及廣大英語和科技愛好者。本書特點如下：　　1．新穎性。所有文章均選自近期出版的英語科技報刊、科普讀物或國際上著名的科技網(wǎng)站，反映了目前先進的科研成果。　　2．趣味性。充分考慮使用者心理規(guī)律，以興趣為先導，以培養(yǎng)能力為目標，力戒以往教材因過于強調(diào)知識而挫傷讀者積極性的做法。　　3．知識性。選材重視文章的知識含量，避免過分淺顯，力求幫助讀者提高科學素養(yǎng)。　　本書的選材以科普文章為主，取材廣泛，內(nèi)容涉及生命科學、計算機科學、工程學、生物學、醫(yī)學、環(huán)境科學、新能源、太空科學等15個科技領域，反映了當代科技的前沿成果，并貼近現(xiàn)實，富有時代氣息?！　”緯Z言富有科技英語特色，含有較豐富的通用和專業(yè)科技英語詞匯和語法結構。在內(nèi)容編排上，根據(jù)課文A的難度系數(shù)，由易到難，循序漸進。本書結合文章內(nèi)容，設計了形式多樣的練習，以幫助讀者充分理解、掌握和運用所學知識。本書還配有同步輔導書《科技英語閱讀導讀》，《導讀》主要包括背景簡介、難點解析、練習答案、參考譯文等內(nèi)容，以滿足教師和學習者的需求。

內(nèi)容概要

本書共15個單元，每個單元包括兩篇課文，即課文A和課文B，內(nèi)容涉及生命科學、計算機科學、工程學、生物學、醫(yī)學、環(huán)境科學、新能源、太空科學等15個科技領域?！犊萍加⒄Z閱讀》兼具新穎性、趣味性和知識性，使用對象為具備大學英語四級水平的理工科大學生和英語專業(yè)二、三年級學生及廣大英語和科技愛好者。

書籍目錄

Unit I Life Science　Text A Human Cloning　Text B Are We 10 Years Away from Artificial Life?Unit 2 Biological Engineering　Text A How Stem Cells Work?　Text B Taking Your Genes in HandUnit 3 New Energy  Text A Ethanol, Schmethanol　Text B The Coming WaveUnit 4 Transportation　Text A Intelligent Highways　Text B Making WavesUnit 5 New Facilities　Text A Facial Recognition Systems　Text B GPS——the Most Precise Navigation System Ever InventedUnit 6 Telecommunication　Text A Video Conferencing Cell Phones　Text B You Are Your Cell PhoneUnit 7 Space　Text A Starship Enterprise: the Next Generation　Text B Phoenix to Go Digging on Red PlanetUnit 8 Health and Medicine　Text A Telemedicine Comes Home　Text B Would a "Fat Tax" Save Lives?Unit 9 Internet　Text A The Internet Is Sick... But We Can Make It Better　Text B Watching While You SurfUnit 10 VR Technology　Text A The Military Applications of Virtual Reality　Text B Reality, Only BetterUnit 11 Robots　Text A Rise of the Rat-brained Robots　Text B Nothing to Lose But Their ChainsUnit 12 Environment　Text A Future Crops. the Other Greenhouse Effect　Text B The Methane MysteryUnit 13 Animals　Text A Jellyfish Invasion　Text B Who Belongs in the Zoo?Unit 14 Computer Science　Text A Software That Makes Software Better　Text B From Blueprint to DatabaseUnit 15 Automobile　Text A How Hydrogen-Boosted Gasoline Engine Works?　Text B The Car Doctor Is InGlossaryAcknowledgements

章節(jié)摘錄

　　1 Sometimes you do things simply because you know how to do. People have known how tomake ethanol since the dawn of civilisation, if not before. Take some sugary liquid. Addyeast. Wait. They have also known for a thousand years how to get that ethanol out of theformerly sugary liquid and into a more or less pure form. You heat it up, catch the vapour thatemanates, and cool that vapour down until it liquefies.　　2 The result burns. And when Henry Ford was experimenting with car engines a centuryago, he tried ethanol out as a fuel. But he rejected it——and for good reason. The amount ofheat you get from burning a litre of ethanol is a third less than that from a litre of petrol. Whatis more, it absorbs water from the atmosphere. Unless it is mixed with some other fuel, suchas petrol, the result is corrosion that can wreck an engine's seals in a couple of years. So whyis ethanol suddenly back in fashion？ That is the question many biotechnologists in Americahave recently asked themselves.　　3 The obvious answer is that, being derived from plants, ethanol is "green". The carbondioxide produced by burning it was recently in the atmosphere. Putting that C02 back into theair can theerefore have no adverse effect on the climate. But although that is true, the realreason ethanol has become the preferred green substitute for petrol is that people know how tomake it——that, and the subsidies now available to America's maize farmers to produce thenecessary feedstock. Yet such things do not stop ethanol from being a lousy fuel. To solvethat, the biotechnologists argue, you need to make a better fuel that is equally green. This iswhat they are trying to do！

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