资源简介

(共18张PPT)
第五课时 3a-3c
Section B How are plants and animals connected with us
Amazing Plants and Animals
Amazing Plants and Animals
Unit 4
八上RJ
①阅读有关蓝鲸的文章并完成相应问题。
②学习新词语: ocean、except、tiny、lively、the Arctic Ocean。
③学习写有关蓝鲸的文章。
学习目标
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
3a Read the text and complete the table.
The Blue Whale
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
This food lasts for over a year and it helps to create a lively /'la vli/ and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
Blue whale facts
Weight
Where they live
Food
How long they live
Importance in nature
as much as 200 tons
in all oceans except the Arctic Ocean
some of the tiniest animals in the ocean
live up to 90 years
help to create a lively and healthy ecosystem
3b Imagine you are a blue whale. Use the first person to rewrite the first paragraph.
Hello everyone! My name is Billy the Blue Whale. I am ________________________________________________
I’m heavy, but I __________________________________
I live in _________________________________________
I can eat ________________________________________.
3c Complete your passage about the blue whale based on the text in 3a.
写作指导
本文假设你是蓝鲸并进行自我介绍。因此，时态应用一般现在时。
可以从外形、生活习性、食物、在生态系统中的重要性等方面进行描述。
注意正确运用形容词或副词的最高级形式来表达。
One possible version
Hello everyone! My name is Billy the Blue Whale. I am the largest animal on earth. I’m heavy, but I love swimming in the deep, cold ocean. I live in the ocean, where I can freely move around and explore. My favourite food is krill and small fish. I can eat around four tons of food in one day to keep my huge body strong and healthy.
Useful expressions
1. ... is one of the most ...
2. as... as...
3. ... live in ...
4. ... can eat ...
5. ... plays an important role in...
Write about a plant or an animal that you are interested in. Use the words and expressions from the reading passage and the Useful expressions to help you.
Language points
Language points
1. Blue whales live in all oceans except the Arctic Ocean. 蓝鲸生活在除北冰洋以外的所有海洋中 。 (教材 P39 3a)
except / k sept/ prep.除……之外；除了
【辨析】except, but与besides
except “除……之外”，强调所排除的内容不包括在内，含有“减去”的意思。
but “除……之外”，常用于nothing、all、 anything、anyone、everything、everyone等词之后。
besides “除……之外(还)”，包括besides后面的内容，含有“加上”的意思。
Last weekend, all of us went for a picnic except Tom because he was ill. 上周末，除了汤姆，我们都去野餐了，因为他病了。
There is no one here but me. 这里除了我没有别人。
Besides working as a teacher, she also writes poems in her spare time.除了当教师外，她在业余时间还写诗。
2.This food lasts for over a year and it helps to creat a lively and healthy ecosystem.这些食物足够维持一年以上，有助于创造一个生机勃勃的健康生态系统。( 教材 P39 3a)
lively / la vli/ adj.精力充沛的；生机勃勃的
【辨析】lively, alive, live与living
lively 生气勃勃的； (色彩)鲜艳的 修饰人或物 常作定语或表语
alive 活着的 修饰人或物 常作表语或补语
live 活的 读作/la v/ 修饰人或物 一般作前置定语
living 活着的 修饰人或物 常作定语
She is a lively girl and popular with everyone. 她是个充满活力的女孩子，很受大家欢迎。
The colour of the clay works is lively. 这些陶土作品的色彩很鲜艳。
This is a live/living fish.=This fish is alive. 这是一条活鱼。
Homework
Homework
3月3日是世界野生动植物日，你校英文报社正在征集保护动物方面的文章。请你根据以下提示写一篇介绍金丝猴的英语短文投稿，并呼吁大家保护金丝猴。
名称 金丝猴(golden monkey)
居住地 中国西南部
寿命 至多30岁
食物 树叶、野果、昆虫(insects)等
濒危原因 人类砍伐森林，猎杀它们来获取它们的皮毛(fur)
要求：1.内容应包含表格中的所有内容，可适当发挥；
2.词数不少于80。

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