人教版八年级(下册) Unit 7 Section B 1a-1d 情景式教学听说课公开课课件(共32张)+学案 (知识精讲+分层作业)(含答案)

中小学教育资源及组卷应用平台 Unit 7 Section B 1a-2d 学案 (知识精讲+分层作业) 【重点语法】 1.weigh (动词) “称重” -- weight (名词) “重量” The box weighs 10kg. = The weight of the box is 10kg. 这个箱子重10kg. 常见搭配：put on weight 增肥 Lose weight 减肥 2.倍数表达法： (1)A + 谓语 + 倍数 + 形容词/副词比较级 + than + B “A比B...倍” (2)A + 谓语 + 倍数 + as + 形容词/副词原级 + as + B “A是B的...倍” (3)A + 谓语 + 倍数 + the height/ weight/ size... + of + B “A是B的...倍（高...）” The elephant weighs many times more than this panda. 这个大象比熊猫重许多倍。 3.at birth 出生时 4.live up to ... 活到... 【重点句型】 1.An adult panda weighs many times more than a baby panda. 成年熊猫比幼年熊猫重许多倍。 many times more than...表示“比……多许多倍”，是一种常用的倍数的表达方式。其他常用的倍数表达方式有： (1)A...＋倍数＋比较级＋than＋B Lucy’s eraser is four times bigger than mine. 露西的橡皮比我的大三倍。/露西的橡皮是我的橡皮的四倍大。 (2)A...＋倍数＋as＋形容词或副词的原级＋as＋B He runs twice as quickly as I do. 他奔跑的速度是我的两倍。 (3)A...＋倍数＋the＋length/width/height/depth...＋of＋B The hill is five times the height of that hill. 这座山的高度是那座山的五倍。 这个书桌是那个书桌的三倍宽。 The desk is three times as wide as that one. ＝The desk is three times wider than that one. ＝The desk is three times the width of that one. 2.This box is three times bigger than that one. A+倍数+形容词或副词的比较级+than+B”,表示“A比B大(长、高、宽等)多少倍。 Our factory is twice as big as theirs. 我们的工厂是他们的二倍。 “...倍数+as+形容词/副词的原级+as+…”，表示“…是…几倍”。 Her father is twice as old as she. 她爸爸的年龄是她年龄的二倍。 倍数的表达方式： 次数 / many+times + 形容词比较级+ than e.g. : This classroom is 3 times larger than that one. 这个教室比那个教室大了3倍。 3.I know an adult panda weighs many times more than a baby panda. weight: n. 重量 weigh v. 重量是...... weigh sb/sth 称...的重量 weigh ... kilos 重...千克 你什么时候称的体重 When did you weigh yourself When Cao Chong was a little boy, he was so clever that he could know the elephant’s weight by using a boat and some stones. He weighs himself on the bathroom scales yesterday. Tony 100公斤。Tony weighs 100 kilos. put on weight：增肥 lose weight：减肥 e.g. I want to lose my weight. 我想减肥。 4.A panda can live up to 20 to 30 years. up to 到达（某数量、程度等）(about/around) 至多有/不多于 (less than) 们学校大约有200个学生。 There are up to 200 students in our school. There are about 200 students in our school. There are less than 200 students in our school. live up to: 活到 e.g. : Human beings can live up to 100 years 人类能活到100岁。 单项选择 (　　)1.—I think this T shirt is cool enough. —Yes. But I want _____ one. A．cool B．a cooler C．a coolest D．coolest (　　)2.Among the four girls, Cindy is _____． A．most popular B．popularest C．the most popular D．the popularest (　　)3.The doctor said to me, “_____ you eat, _____ you'll be.” A．The more; the heavier B．The less; the hea ... ...