1、Unit 2 Working the land 耕作土地,考綱知識預覽,重點單詞,1 adj.曬黑的 vt. 建立；開發(fā) Hard working conditions build up character. 艱苦的工作條件能磨練人的性格。,Many of these chemicals can lead to cancer or other illnesses. 6. lead to: 導致；造成 Too much work and too little rest often lead to illness. 過量的工作和過少的休息會引起疾病。 All roads lead to Rome.

2、 條條大道通羅馬。,This also keeps the air, soil, water and crops free from chemicals. 7. keeps free from /of: 使免受（影 響，傷害登）；使不含（有害物） keep from: 阻止; 妨礙 I hope you will keep from doing anything rash. 我希望你不要做出任何魯莽的事情來。,名師一線講壇,1.【教材原句】Dr Yuan Longping grows what is called super hybrid rice. 袁隆平博士種植的是被稱為“超級雜交水稻”的

3、稻種。,名師一線講壇,【句法分析】what is/was called或what people call/called是習慣用法，意為“所謂的；人們常說的”，相當于socalled。其中引導詞what在此句中相當于“then.that”結構。本句可改為Dr Yuan Longping grows the rice that is called super hybrid rice. At last，they reached what is called the New America. 最后，他們到達被稱為美洲大陸的新地方。,名師一線講壇,He graduated from what was c

4、alled a key high school. 他畢業(yè)于一所所謂的重點高中。 We now live in what is called the Information Age. 我們現(xiàn)在生活在所謂的信息時代。,名師一線講壇,情系考場,1(2008年高考浙江卷)Some children want to challenge themselves by learning a language different from_their parents speak at home. Awhat Bthat Cwhich Done 解析：選A。句意：一些孩子想學習一門不同于家中父母所講的語言來挑戰(zhàn)自

5、我。what引導名詞性從句，在句中作from的賓語。,名師一線講壇,2A modern city has been set up in_was a wasteland ten years ago. Awhat Bwhich Cthat Dwhere 解析：選A。該句意：一座現(xiàn)代化的城市在十年前是一片廢墟的地方建立起來了。,考綱知識預覽,2Although he is one of Chinas most famous scientists，Yuan Longping considers himself a farmer，for he works the land to do his resea

6、rch. 【精提取】for引導的分句通常對前一個分句所說的話加以解釋，提供判斷的理由。,考綱知識預覽,【巧應用】天亮了，因為鳥在歌唱。 The day breaks，_ _ _ _ _. 答案：for the birds are singing,名師一線講壇,3.【教材原句】Recently，however，scientists have been finding that long term use of these fertilizers can cause damage to the land and，even more dangerous，to peoples health. 然而，最

7、近科學家發(fā)現(xiàn)長期使用這些肥料會造成土地受損，甚至更危險的是，會對人們的健康造成危害。,名師一線講壇,【句法分析】have been finding是現(xiàn)在完成進行時?，F(xiàn)在完成進行時表示一個動作開始于過去，持續(xù)到現(xiàn)在，并強調現(xiàn)在還在進行。 John has been painting the ceiling. 約翰一直在粉刷天花板。 No wonder you are so tired，you have been working all day.難怪你這么累，你工作一天了。 Because of illness，he has been lying in bed all day. 由于生病，他整天都

8、躺在床上。,名師一線講壇,情系考場,1(2009年高考浙江卷)Over the past decades，sea ice_in the Arctic as a result of global warming. Ahad decreased Bdecreased Chas been decreasing Dis decreasing 解析：選C。句意：在過去幾十年里，由于全球變暖，北極的海冰一直在減少。由時間狀語Over the past decades可知，主句只能用現(xiàn)在完成時，故選C。,4. Using his hybrid rice, farmers are producing harv

9、ests twice as large as before. 英語中的倍數(shù)表達法共有三種形式: (1) 倍數(shù) + 形容詞/副詞的比較級 + than. (2) 倍數(shù) + as +形容詞/副詞的原級 + as.,(3) 倍數(shù) + the + 名詞+ of. This building is five times higher than that one. 這座樓比那座樓高出五倍。 This building is five times as high as that one. 這座樓是那座樓的五倍高。,This building is five times the height of that one. 這座樓是那座樓的五倍高。 The new building is four times the size of the old one. It is reported