英语人教版八年级下册unit 7 section b 1a-1d.docx

Unit 7 Whats the highest mountain in the world?Section B 第一课时 Step One Teaching aims. 1. 通过听力训练了解数字读法、熊猫及大象的特征。 2. 正确地运用倍数及具体数量做出比较 3. 熟练运用at birth、live up to、 weighStep Two Preview tests一 通过预习，你能说出下列单词和词组吗？ 厘米 _ 出生时_ 成年的，成人_ 到达（某数量、程度等）不多于_重量是,称的重量_ 二 你能用英语说出下列数字吗？ 100 120 50 15 0.2 3260Step Three Learning again by leading 一 Listen to 1b, practice the numbers again. 二 Listen to 1c, fill in the blanks , learn something about the pandas. Pay attention to : at birth, live up to 三 Compare facts about the two animals in 1a. Translate and answer the questions.1. How tall is the panda?2. Which eats more, the panda or the elephant?3. How much does the elephant weigh?四 1.How much does the elephant weigh? 大象重多少？ It weighs 5000 kilos. 它重5000 千克。 句中的weigh 是_ 词，意思是_ 2. Please weigh the box. 请称一下盒子的重量。 句中的weigh是_ 词， 意思是_3. Whats the weight of the dog? 那只小狗的重量是多少？ 句中的weight 为_ 词， 意思是_.练习题：1. 曹冲称象。 2. 我妹妹出生时重3公斤。3. Do you know _ _ _ your mother? 你知道你妈妈的体重吗？五 The elephant is 350 cm tall. The panda is 150 cm tall. The elephant is 200 cm taller than the panda. 翻译下列句子.1. 我比我妹妹大十岁。2. 这把尺子比那把尺子长两米。六 The elephant weighs 5000 kilos. The panda weighs 100 kilos. The elephant weighs many times more than the panda. My hair is three times longer than yours. 我的头发比你的头发长3倍。 Your room is twice as big as mine. 你的房间是我房间的两倍大。上面句子中的time意思是_, 是_(可数/不可数）名词。“A 比B多少倍”用英语结构为_“A是B倍”_练一练：1. The light travels _ than the sound.A. much times fast B. much times fasterC. many times fast D. many times faster2. The box is _that one.A. four times as big as B four times big C four times bigger D. four time big2. 这座山比那座山高三倍。Step four exercises：1.This kind of animal can live up _ 10 years.A. to B. in C. for D. at2. The panda _50 kilos more than a man.A. weigh B. weight C. weighs3. Our school is _theirs.A. three time bigger than B three times bigB. three time bigger D three times as big as4.This hole is _ than that one.这个洞比那个洞深两米。5.My hair is _ yours.我的头发比你的头发长三倍。 Step Five Sum