Unit7SectionB(3a-SelfCheck)课件.ppt

Unit 7 Whats the highest mountain in the world? Section B (3a-Self Check),. 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; thickest 3. huger; hugest 4. wider; widest 5. more dangerous; most dangerous,. 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 stronger,We 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】 他抬起胳膊, 保护他的孩子免受伤害。 He raised his arm to _his child _ hurt. 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; from prevent/stop; (from) happening,Some kinds of whales are in danger because humans catch whales for meat, fat and oil. 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。 【自主领悟】be in danger是介词短语, 意为“处在危险中”; 其反义短语为: be out of danger意为“脱离危险”, 在此, danger是不可数名词, 意为“危险”, 其形容词形式为dangerous。,【活学活用】 Some wild animals are (处在危险中)because of the flood. Its (danger) to play on the street. 答案: in danger dangerous,用所给词的适当形式填空。 1. China is a lot (crowded) than Canada. 2. An adult elephant weighs many (time) more than a baby elephant. 3. According to a survey, the noise will prevent the baby rabbits from (grow) normally. 4. The old man stopped (write) music last year. 5. The police give us so much (protect). 答案: 1. more crowded 2. times 3. growing 4. writing 5. protection,选词填空。 stop, sea, jump, teeth, for, protect, rules, danger, huge, like Whales are 1 animals. Some of them have 2 . They live in the 3 . They eat small fish and other sea life. They can 4 high out of the water and they can sing songs. They are so cute. However, some kinds of them are in 5 because humans catch whales 6 meat, fat and oil. Whale parts sold to make things 7 candles and soap. Besides,people put rubbish into the sea. We should 8 whales from water pollution. I think people should make 9 on whale protec