人教版八年级英语上册课件Unit 4 Amazing Plants and Animals第5课时（Section B 3a-3c）

这是一份初中英语人教版（2024）八年级上册（2024）Unit 4 Amazing Plants and Animals Section B 3a-3c图片课件ppt，共19页。PPT课件主要包含了达到符合期望等，同义词 reach，except，写作指导 等内容，欢迎下载使用。
What des this vide talk abut?
The blue whale is the largest animal n earth.
Read the text and cmplete the table.
The blue whale is the largest and heaviest animal n earth. It can weigh as much as 200 tns. Many peple like watching blue whales swim, and they think it is ne f the mst beautiful things t see. Blue whales live in all ceans except the Arctic Ocean. They eat a lt, but they eat sme f the tiniest animals in the cean. A blue whale can eat arund fur tns f these a day.
Read and learn
prep. 除……之外；除了
adj. 极小的；微小的
Blue whales can live up t 90 years. When a blue whale dies at sea, it becmes fd fr many kinds f animals living in and arund the sea. This fd lasts fr ver a year and it helps t create a lively and healthy ecsystem. Blue whales play an imprtant rle in ur wrld, s we must prtect them.
live up t活到……岁；达到……的寿命
adj. 精力充沛的；生机勃勃的
as much as 200 tns
in all ceans except the Arctic Ocean
sme f the tiniest animals in the cean
up t 90 years
When a blue whale dies, it becmes fd fr many animals and it helps t create a lively and healthy ecsystem.
Check answers.
1. Blue whales can live up t 90 years. 蓝鲸的寿命可达 90 年 。
活到（某一年龄、岁数等）
He always lives up t his parents’ expectatins. 他总是不辜负父母的期望。An elephant can live up t sixty years. 一头象能活到60岁。
Language pints
reach 达到（某一数量、程度、年龄等 ）；在表示活到某一年龄时，可与 “live up t” 替换。Sme trees can reach a height f 30 meters. 有些树能长到 30 米高 。Sme peple can reach 90 years ld. 有些人能活到 90 岁 。
2. Blue whales live in all ceans except the Arctic Ocean. 蓝鲸生活在除北冰洋以外的所有海洋中。
（连词）除了,只是；除非
（介词）除……之外；除了
The restaurant is pen every day except Mnday.这个饭店除了星期一每天都营业。
其后接名词、代词等作宾语，表示某人或某物不包含在某一范围内。
I wn’t g except yu cme with me.除非你跟我一起去，否则我不会去。
My dress is similar t yurs, except mine is blue.我的连衣裙和你的相似，只是我的是蓝色的。
except, besides与but
They all went t the party except Ann.除了安，他们都去了聚会。We have a lt in cmmn besides music.除了音乐，我们还有很多共同点。There is n ne but me.这里除了我没有别人。
Imagine yu are a blue whale. Use the first persn t rewrite the first paragraph.
Hell everyne! My name is Billy the Blue Whale. I am _________________________________________________________________I’m heavy, but I _________________________________________________________________________________________________I live in _________________________________________________________________________________ I can eat ______________ _______________________________________________.
the largest
and heaviest animal n earth. I weigh as much as 200 tns.
lve swimming, and many peple like watching me
swim. They think it’s ne f the mst beautiful things t see.
all ceans except the Arctic Ocean. My favurite fd is
f these a day
sme f the tiniest animals in the cean.
arund fur tns
Cmplete yur passage abut the blue whale based n the text in 3a.
要求完成段落的改写，主要改写内容为3a第二段的内容，涉及到蓝鲸的寿命和对生态环境的重要性等内容。
本文将第三人称的段落内容，改写为第一人称的段落内容。分析原文章属于介绍类文章，改写后，还是自身特性介绍，因此是说明文。
以第一人称为主；以一般现在时为主。
What shuld we mainly pay attentin t when rewriting an article?
人称: 由第三人称变成第一人称
内容要点: 要点不能省略或者遗漏。
语言: 个别句子需要变化结构
living area
preference（喜好）
Observe and think
Hw t use the first persn t rewrite the secnd paragraph?
rle /functin
Write yur article accrding t the infrmatin mentined abve. Pay attentin t yur spelling and structure.
Nw, yu can exchange yur writings with yur partner t check each ther’s writing.
I can live up t 90 years. When I die at sea, I becme fd fr many kinds f animals living in and arund the sea. This fd lasts fr ver a year and it helps t create a lively and healthy ecsystem. I play an imprtant rle in ur wrld, s yu must prtect me.