课件22张PPT。More PracticeUnit 4 Save trees1BrainstormingHow much do you know about the Amazon rainforest?2More practiceNew words and phrases:1. America
2. square
3. spread
4. thousands of
5. however
6. destroy
7. deforestation
8. lose
9. because of
10. as a result
11. number
12. decrease1. 美洲
2. 平方
3. 使分散;使分布
4. 数以千计的;万千上万的
5. 然而;不过
6. 摧毁;毁灭;破坏
7. 毁林;砍伐森林
8. 失去
9. 因为
10. 结果
11.数量;数额
12. 减少;减小;降低rainforest 雨林
south 南部
cover 覆盖
square 平方
spread 延伸扩散
insect 昆虫
destroy 破坏
result 结果new wordsRead the article below about the Amazon rainforest. A Complete the notes. largestAmazonninehome deforestationComprehensionBasinbe covered with 被……覆盖
thousands of 成千上万
living things 生物
lose ones home 失去家园
because of 因为
as a result 结果
the number of ……的数量
do ones best to do 尽力做……短语收藏夹根据中文意思完成句子。
1. 他每天跑步三十分钟,结果他体育考试得了满分。
He runs for thirty minutes every day. _____ _____ _____, he got full marks in the P.E. exam.
2. 很多动物因为环境污染失去了家园。
Many animals _____ _____ _____ because of environmental pollution.
3. 每天成千上万的旅游者来到中国参观长城。
_____ _____ visitors come to China to visit the Great Wall every day.
4. 因为大雨,他没能及时赶到火车站。
He couldn’t arrive at the train station on tome
_____ _____ the heavy rain.As a resultlost their homesThousands ofbecause ofGrammar pointmillion vs. millions of We use “million” in exact numbers.
For example, “It covers five and a half million square kilometers of the Amazon Basin”.
We use “millions of” to infer that the amount is great.
For example, “But we cut down millions of trees every day”. ___________people hunt and fish for a living.
The novel sold 2 _________copies in paperback.
__________people were killed in the earthquake.
We need to raise about two __________and
fifty dollars.Millions of millionHundreds of hundredhundred, hundreds of , million, millions of Exercise Complete the sentences with the words below. The rainforest is in danger because of the
deforestation.
be in danger 处于危险中
because of 由于
许多野生动物处于危险中
Many wild animals _____ _____ _______.
昨天因为天气的原因没有去野餐。
We didnt have a picnic _____ _____ the
terrible weather.are in dangerbecause ofWe must do our best to protect the Amazon
rainforest.
do ones best to do ---尽力做某事
1.他尽力做到做好
He _____ _____ ______ _____ do it better.
2.我们应该尽力保护我们的地球。
We should _____ ____ _____ ____ _____ our earth.tries his best totry our best to protect
The Amazon rainforest is very important because it is home
to thousands of animals, birds and insects.亚马逊热带雨林
非常重要,因为它是无数动物、鸟类和昆虫的栖息地。
Many living things lose their homes because of deforestation.
因为滥伐森林,很多生物失去了家园。
because 和because of 都意为“因为”。注意其不同的用法:
because 是连词,后面接句子,构成表示原因的状语从句;
because of 是介词短语,后面接名词或动词-ing 形式,在句
中常用作状语。如:
因为下大雨,我今天早上迟到了。
I was late this morning because it rained heavily.
= I was late this morning because of the heavy rain.
选用because或because of填空。
1. He did better and better in English ________ his hard work.
2. She can’t go with us ________ she is ill.
3. Many people feel sick ________ the bad weather.
4. Li Tao ’s mother was angry ________ he broke the window.becausebecause ofbecausebecause ofAs a result, the number of kinds of animals, birds,
insects and trees in the world is decreasing.
结果,各类动物、鸟类、昆虫和树木的数量正在减
少。
the number of 意为“……的数量”,
后面接可数名词的复数形式,它作主语时,谓语动词要用单数形式。如:
二班的学生人数是45。
The number of the students in Class Two is
forty-five.the number of & a number ofThe number of students in our class is 39.
A number of students in our class are interested in travel.
总结:
(1)the number of:__________(意思)
后面动词用________(单数/复数)
(2)a numbe of:_________(意思),后面动词用__________(单数/复数)
...的数量单数大量的复数练习:
_________________young people are Deng Ziqi’s fans.
And ______________her fans _______(be)becoming larger and larger.A number of the numbe of is选用the number of或a number of填空。
1. __________ visitors to the Canton Tower is increasing (增长).
2. __________ visitors visit the Canton Tower every day.
根据中文意思完成句子。
3. 我每天都有很多电子邮件要看。
I have ____ ____ ____ emails to read every day.
4. 这些书的数量是多少?
What is ____ ____ ____ the books?The number ofA number ofa number ofthe number of根据句意及首字母提示写出所缺单词。
Can you swim a________ the river by
yourself?
2. My house is big. It c________ 300 square metres.
3. There are many beautiful b________ flying in the sky.
4. The little boy can count the n________ from one to one hundred.
5. It’s i________ for us to protect trees.crossoversirdsumbersmportantCulture cornerChinese teaRead the passage and answer the following questions.['emp(?)r?]
n. 皇帝,君主['da?n?sti] n. 王朝,朝代