Unit 7 What’s the highest mountain in the world? Section B (3a-Self Check) Ⅰ. 写出下列形容词的比较级和最高级1. wild → → 2. thick → → 3. huge → → 4. wide → → 5. dangerous → → 答案 : 1. wilder; wildest 2. thicker; thickest3. huger; hugest 4. wider; widest5. more dangerous; most dangerousⅡ. 句型展示1. 停止向海洋倒垃圾。Stop __________rubbish _________the sea. 2. 鲸鱼的一些身体部位被出售用来制作蜡烛和肥皂等东西。Whales parts_________ _________make things_________ candles and soap. 答案 : 1. putting; into 2. sold to; like 3. 因为人们为了得到肉、脂肪和食用油而捕杀鲸鱼 , 一些种类的鲸鱼正处在危险中。Some kinds of whales are_______ _______because humans catch whales _______ meat, fat and oil. 4. 我们应该保护鲸鱼免受水污染。We should _______ whales _______ water pollution. 5. 老虎比人强壮得多。A tiger is _______ _______ than a man. 答 案 : 3. in danger; for 4. protect; from 5. much strongerWe should protect whales from water pollution. 我们应该保护鲸鱼免受水污染。【自主领悟】 protect 是及物动词 , “意为 保护 , ”保卫; protection 是名词 , “”意为 保护, 常用短语为 protect. . . from. . . “意为 保护……免受……”的侵害或侵犯 。例如 : Everyone should protect the environment from pollution. 每个人都应该保护环境免受污染。【温馨提示】 (1)prevent/stop/keep. . . from doing. . . “ 阻止……做…… ; 阻止……”的发生 。(2)prevent/stop sb. from doing sth. 用法相同 , 在主动语态中介词 from 可以省略 , 被动语态中不能省略。 keep sb. from doing sth. 中的 from 无论在主动语态中还是在被动语态中都不能省略。【活学活用】 ① 他抬起胳膊 , 保护他的孩子免受伤害。He raised his arm to _________his child _________ hurt. ② 我们应该多植树以阻止沙尘暴的发生。We should plant more trees to _________ the sandstorm _________. 答案 : protect; from① ② prevent/stop; (from) happening...
