内容简介 《超简单：8天轻松拿下托福写作》专为新托福写作考试设计，旨在为广大考生及对英语写作有兴趣的读者提供最有效的写作练习。全书共8个单元，针对八大热点话题，提供最新综合写作、独立写作素材。本书全面细化写作流程，特别设置写作准备环节，帮助读者拓宽写作思路，使读者一步步提高写作能力。 作者简介 巴克达(Pagoda)语言教育中心，巴克达语言教育中心所是一所拥有半个世纪历史的语言学习研发团队。以语言学习中没有所谓的捷径为教育理念，给学生们提供优质的教学内容。密切关注现场听课的学员的各种学习反馈，且结合教师的授课经验，将这些精心融入到产生最佳学习效果的教材中，这就是Pagoda语言教育中心的最终目标。 内页插图 目录 ContentsUnit 01 Food ScienceIntegrated GM Food 8Independent Food Made in a Restaurant vs. Homemade Food 16Unit 02 HealthIntegrated Obesity 26Independent Fast-Food Sales 34Unit 03 ZoologyIntegrated Fish Farming 44Independent The Purpose of a Zoo 52Unit 04 International RelationIntegrated Poverty 62Independent Foreign Aid 70Unit 05 SociologyIntegrated Exploding World Population 80Independent An Extended Family vs. A Nuclear Family 88Unit 06 MysteryIntegrated Crop Circles 98Independent Science Fiction 106Unit 07 EnvironmentIntegrated Biofules 116Independent The Earth and Human Activities 124Unit 08 TechnologyIntegrated Online Shopping 134Independent Printed Books vs. E-Books 142Check-Up Grammar 151Actual Test 160Answer Keys & Listening Script 163 查看全部↓ 精彩书摘 Integrated Task — GM Food Practice Get Started A.Read the passage and complete the notes below. A. Consider the advantages and risks of GM food and fill in the blanks with the expressions in the box. Advantages Risks ??naturally resist pests ??develop resistance to natural pesticides ??negative effects on human health ??no pesticides needed ??contain all essential nutrients ?? allergic reactions B.Choose the correct expressions for its appropriate explanation from the box in A. 1 : fight against harmful insects without chemicals 2 : have all necessary substances like vitamins， proteins... 3 : build up the ability to fight against natural chemicals 4 : having allergies after being affected by something C.Fill in the blanks with the correct expressions practiced in B. Genetically-modified (GM) food is considered to be important because it is pest resistant naturally and contains all 1 . However， it is concerned that GM food could 2 to natural pesticides and thus have 3 on human health. Get Ready to Write Choose the answer with a different meaning from the others. 1 GM food has the ability to pests. A develop B resist C withstand 2 GM food has several over regular crops. A advantages B risks C benefits 3 We need to understand whether GM food has any . A risks B negative effects C advantages 4 Genetically modified food is dangerous to . A human behavior B human health C a person's well-being 5 ， insects might develop resistance to the natural pesticide. A Over time B As time goes by C From time to time 6 a gene from Brazil nuts with soybeans has been banned in America. A Combining B Isolating C Mixing Let's Read Genetically-modified (GM) food is a crop whose DNA has been changed. It is becoming more important as the population increases. It has two advantages over regular food. One advantage of GM food is its ability to resist pests. Consumers do not wish to eat crops that have been treated with pesticides. For example， Bt corn* is naturally resistant to insects. Therefore， no pesticides are needed. Also， GM food is more nutritious. Many crops do not contain all the nutrients a person needs. They can be genetically-modified to contain all essential nutrients. For example， rice lacks many of the necessary nutrients. It can be modified to include important nutrients such as Vitamin B and proteins. *Bt corn: field corn that has received a gene transferred from a naturally occurring soil bacterium called Bacillas thuringiensis. Notes Topic: Genetically-modified ( ) food — two Detail: 1 pests Bt corn — naturally resistant to insects 2 more : to contain all essential rice — modified to contain Vitamin B and proteins Let's Listen A. Fill in the blanks as you listen to the lecture. Professor: I would like to talk about genetically-modified food or food today. Many are praising its merits. But we need to be careful here because GM food has several .First， some people like genetically-modified food because it is pest resistant. However， GM food is pest . May I remind you that insects have developed resistance to other pesticides in the past? There is a worry that the same might happen with GM crops. insects might develop to the natural pesticide within Bt corn. So the natural pesticide might the insects at all. Also， genetically-modified food is dangerous to . There are those who believe it is healthier. However， this is . Introducing a foreign gene into a plant is . The impact on human health could be unexpected and . For instance， a gene Brazil nuts soybeans was banned. The reason was due to serious concerns over reactions. B.Listen to the lecture again and complete the notes. Notes Topic: Several of GM food Detail: 1 not pest — insects to the natural pesticide 2 dangerous to — introducing foreign genes into a plant → a gene from Brazil nuts with soybeans — reactions …… 查看全部↓ 前言/序言 Introduction to TOEFL iBT TOEFL iBT (Internet-based TOEFL) is designed to measur ehow well non-native speakers of English read 查看全部↓
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