　　你聽說過環境建築學嗎？你知道轉基因技術基於怎樣的原理嗎？我們每天點擊的互聯網是在哪種巧閤下誕生的？歐洲中世紀城堡中一天的生活是怎樣的？中國古代的造紙術分哪幾個步驟？你一定想知道這些問題的答案吧。翻開這套“中學英語拓展閱讀叢書”，你就走進瞭一個五彩斑斕的奇妙世界。
　　該叢書由外教社從美國著名齣版機構麥格勞一希爾(McGraw Hill)公司引進，語言地道，知識麵廣，信息量大，是一套既注重培養學生英語閱讀能力，又緻力開闊他們視野的拓展型叢書。整套書編寫理念先進，編排設計科學，難度逐級遞升，既適閤外國語學校及外語特色學校初二至高三年級的學生使用，也適閤普通中學同等水平的學生使用。本書為該叢書之一《自然科學係列（第7冊）》。
　　我們期盼你在趣味盎然的閱讀環境中培養閱讀能力，遨遊知識天地，學習地道英語。

緻學生
緻老師
1 A Arctic and Alpine Tundra
1 B A Wilderness Encounter
2 A What Is Quicksand?
2 B Surviving Quicksand
3 A How We Hear
3 B Getting a Hearing Aid
4 A The Classification of Living Things
4 B Plants That Eat Insects
5 A How Sunlight Affects Health
5 B Cave Life
6 A Every Drop Counts
6 B Effects of the World s Water Situation
7 A The Endless Struggle Between Predators and Their Prey
7 B Attack—and Counterattack!
8 A Simple and Complex Carbohydrates
8 B Sensible Dieting
9 A Heat Energy at Home
9 B A Hot Air Balloon
10 A The Life Cycle of a Frog
10 B Its a Frog! No， Its a Toad!
11 A Symbiosis
11 B An Alga， a Fungus， and Two Brothers
12 A Estuaries and Their Habitats
12 B A Protected Beach
13 A Snow Travel in the Arctic
13 B Learning to Snowshoe
14 A What Is the World Wide Web?
14 B The Inventor of the World Wide Web
15 A A Hall of Gems and Minerals
15 B Mining for Diamonds
16 A Microbes and Germs
16 B Growing Bread Mold
17 A The Many Faces of Primatologists
17 B Among the Gorillas
18 A The Physics of the Plastic Flying Disc
18 B Training a Dog to Catch a Flying Disc
19 A World Population Growth and Its Effects
19 B Megacities
20 A The Relationship of Mathematics to Astronomy and Physics
20 B The Scientific Method
21 A Weather Forecasting Tools
21 B Making a Hygrometer
22 A The Machine Age in the United States
22 B Machines in the Home
23 A The History of Space Exploration
23 B Tracking Space Missions
24 A The Invention of Television
24 B The Future of Television
25 A Learning About the Ocean
25 B The Future of the Ocean
附錄
Answer Key
Reading Rate
Comprehension Score
Comprehension Skills Profile

精彩書摘

　　The teenagers hiked single file along the narrow North Country trail, one counselor leading the way and another bringing up the rear. They were spaced about three minutes apart so that each person could experience the feeling of being alone in the wilderness.
　　Roberta welcomed the cool shade of the spruce trees and balsam firs of the vast boreal forest and the soft carpet of needles on the moist trail. She kept her eyes open, hoping to see signs of life. She especially hoped to see a moose, but she really didnt want to encounter a bear, even though she knew k would probably be more afraid of her than she would be of it. At first all she saw were mushrooms -- evidence of the pelting rain that had fallen earfier in the week.
　　Roberta passed through a moist sunken area. She felt the squishy sphagnum moss (泥炭蘚) beneath her feet, its fight green color a pleasant contrast to the darker green of the conifers. Suddenly she noticed a spot of bright color beside a fallen, moss-covered tree, and she stooped to look more closely. The orange creature slithered (滑行) away, and Roberta continued on, smiling, the image of the tiny salamander before her eyes. Roberta rounded a corner and came upon a sparkling stream —and something large moving among the trees. "Hi, Roberta," her friends called to her softly, still too entranced by the magic of their time alone in the wilderness to feel like shouting.

前言/序言

　　閱讀既是理解和吸收語言文化信息的重要手段之一，又是語言文化信息的最便捷的輸入源。我國教育部新製定的全日製義務教育和普通高級中學《英語課程標準》對學生的閱讀技能從三級到九級提齣瞭明確的要求。在目前國內外的各種英語測試中，閱讀理解所占的比重越來越大。為此，我們特嚮你推薦“中學英語拓展閱讀叢書”(Timed Readings Plus)。本叢書含有以下3個子係列：社會科學(Social studies)、自然科學(Science)及數學(Mathematics)，由上海外語教育齣版社從美國McGraw Hill Glencoe公司引進齣版。社會科學和自然科學各有10個分冊，社會科學每冊有24課，自然科學每冊有25課，每課兩篇閱讀材料；數學有5個分冊，每冊有15課，每課兩篇閱讀材料。本叢書語言地道，知識麵廣，信息量大，能有效訓練學生的閱讀理解能力，提高他們的閱讀速度。每課的第一篇閱讀材料篇幅長400單詞左右，側重訓練學生的快速閱讀能力；閱讀理解題則主要檢查學生是否能在快速閱讀後掌握閱讀材料中的事實和材料所傳達的思想。每課中的第二篇閱讀材料較短，著重訓練學生的閱讀技巧，如：從上下文中猜測生詞的含義，找齣作者的觀點，得齣中心思想，排列事件順序，推斷作者的論點等。因此，我們認為它是一套訓練學生閱讀速度及閱讀理解能力並能同時開拓他們視野的拓展型叢書，適閤外國語學校初二及以上年級學生和非外國語學校高中學生課內、外使用。
　　怎樣使用本係列叢書呢？我們有以下的一些閱讀策略供大傢參考。
　　1．閱讀時，要集中注意力。
　　2．用一分鍾閱讀標題，並思考以下問題：我是否瞭解這一話題？我從這個話題中能學到什麼？這個話題引起瞭我怎樣的思考？
　　3．重點閱讀文章第一句和最後一句，因為第一句和最後一句往往是作者提齣自己觀點和總結全文觀點的關鍵句子。
　　4．快速閱讀全文以獲得材料所傳達給你的信息。如遇到含有姓名、日期或數字等的內容，你應該放慢速度，以便記住這些內容。
　　怎樣纔是一個快速閱讀者？
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中學英語拓展閱讀叢書：自然科學係列7（高2學生使用） [Timed Readings Plus in Science Book 7] 下載 mobi epub pdf txt 電子書格式