人教PEP版八年级下册英语新课课件-Unit 7 第三课时(1a-1d) 19页

SectionB 1a- 1d What's this? It's a panda. It's an elephant. What's this? weigh v. 称重 adult n. 成人 adj. 成年的 New words birth n. 出生；诞生 up to 至多有；不多于 1a Compare facts about these two animals. Use the language in the box to help you make sentences. Elephant — is 350 cm tall — weighs 5,000 kilos — eats 150 kilos of food a day 1a Panda — is 150 cm tall (standing on two legs) — weighs 100 kilos — eats 10 kilos of food a day Example sentences: This elephant weighs many times more than this panda. (200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more) 1a 大熊猫最奇特的一点 是新生儿在出生时相当的 不成熟，体重仅是它母亲 体重的0.1%，平均为145 克左右，约为成年的千分 之一。照顾孩子是一项非 常艰巨的任务，通常历时 18个月，有时长达两年， 直到她的下一个孩子出生。 大象是现存世界最大的 陆栖动物，主要外部特征为 柔韧而肌肉发达的长鼻和扇 大的耳朵，具缠卷的功能， 是象自卫和取食的有力工具。 象肩高约2米，体重3～7吨。 非洲象耳大，体型较大，体 重较重。亚洲象耳小，身体 较小，体重较轻。 1b Listen and check(√) the numbers you hear. 100 16 20 50 120 0.1 0.2 150 √√ √ √ √ 1c. Listen again and complete the sentences. 1. At birth, a baby panda is about ___ to ___ kilos. 2. At birth, a baby panda is about ___ cm long. 3. A baby panda is not black. It is ____ and it has no _____. 4. A panda can live up to ___ to ____ years. 0.1 0.2 15 pink teeth 20 30 An adult panda weighs many times more than a baby panda. A baby panda cannot see. 1d. Take turns telling your classmates about pandas. Language points An adult panda weighs many times more than a baby panda. weigh是动词，意为“有......重；重”，用作及物动 词时,接名词、代词作宾语。可用于被动结构。 weigh也可表示某物重达多少,接表示数量的名词性 状语。 如：The first man-made satellite of our country weighs 173 kilogrammes. 我国第一颗人造卫星重173公斤。 The doctor weighed the baby every month. 医生每个月都给这个婴儿称体重。 ☆weight作名词，意为 “重量,分量”“重量单 位”“不同分量”。 1. 指“重的特性”“重力”时是不可数名词,其引申 义为“负荷,负担”,通常只用于单数形式； 2. 指“秤砣,砝码”“重物”时是可数名词。 weight还可表示“重要性、严重性或影响力(的程 度)”,是不可数名词。 1. Jim is funnier than _____ in his class. A. any other boy B. any boy C. any other boys D. all the boys 2.We should _____ animals and make laws on animal _____. A. protect, protection B. protect, protect C. protection, protect D. protection, protection A A 3. —Why don't you buy this book? — Because it is ___ of the two books. A. expensive B. more expensive C. most expensive D. the most expensive 4. David jumped the ____ in the long jump. He won the game! A. longest B. fastest C. highest D. farthest B D 5. Li Ming is much clever than ____ student in their class. A. any B. any other C. others D. the others 6. Our school is ____ than yours. A. bigger twice B. twice big C. two bigger D. twice bigger B D