冀教版八年级英语下册第三单元 L17_Save_the_Tigers精品课件

3. As forests disappear, tigers lose their
homes. 随着森林的消失，老虎失去了它们的 家园。 as在句中作连词，引导状语从句，意 为“随着，当……的时候”。
As the sun rose, the fog disappeared.
As she left the room, she remembered
Fill in the blanks.
1. _T_h_e_n_u__m_b_e_r__o_f students is about twenty. (……的数量)
2. _A_n_u__m_b_e_r__o_f __workers in the factory come from the countryside. (许多)
•1、人才教育不是灌输知识，而是将开发文化宝库的钥匙，尽我们知道的交给学生。 •2、一个人的知识如果只限于学校学习到的那一些，这个人的知识必然是十分贫乏的2021/10/142021/10/142021/10/1410/14/2021 3:25:41 PM •3、意志教育不是发扬个人盲目的意志，而是培养合于社会历史发展的意志。 •4、智力教育就是要扩大人的求知范围 •5、最有价值的知识是关于方法的知识。 •6、我们要提出两条教育的诫律，一、“不要教过多的学科”；二、“凡是你所教的东西，要教得透彻”2021年10月2021/10/142021/10/142021/10/1410/14/2021 •7、能培养独创性和唤起对知识愉悦的，是教师的最高本领2021/10/142021/10/14October 14, 2021 •8、先生不应该专教书，他的责任是教人做人；学生不应该专读书，他的责任是学习人生之道。2021/10/142021/10/142021/10/142021/10/14
3. _A__s_ time went by, she became more and more beautiful. (随着)
4. _A_t_t_h_e_b_e_g_i_n_n_i_n_g_o_f_ the party, he gave me a gift. (在……之初)
5. The temperature has _d_r_o_p_p_e_d__to_ below zero. (下降到)
2. In recent years, tigers have been in danger of disappearing. 在近几年，老虎处于濒临灭绝的危险 中。 in danger (of)意为“处于（……）危 险之中”。例如
You’re in danger of catching a cold. The sick man is in danger of death. The passengers are in danger! Let’s go and help!
6. It is at the bottom of the f_o_o_d__c_h_a_in_. (食 物链)
7. You know, computers bring troubles _a_s_w__e_ll_. (也)
Discuss with your partners about some ways to protect animals.
that book.
Fill in the blanks.
1. It’s __im__p_o_r_ta_n__t _to_ your health. (对……是重要的)
2. The river is polluted and _in__d_a_n_g_e_r_o_f_ going dry.(处于……危险中)
tigers?
1. At the beginning of the 20th century,
the number of tigers in the wild was
around 100 000. 在二十世纪初期，野生老虎的数量大 约是十万只。 the number of意为“……的数量”， 跟复数名词连用作主语时，中心词是 number，谓语动词要用单数。
3.The number of the students in our class _is___( be ) fifty. 4. A number of students in our class __a_re_ (be) from Jiu quan.
5. The number of pages in this book _i_s__(be) 60.
Lesson17 Save the Tigers!
Think About It
Where can you usually see a tiger?
Do you think tigers need our help? Why or why not?
Teaching Aims:
➢1. Master some new words : century, courage, brave, reason, kill, cut.
food chain,
食物链
in balance,
number of,
……的数量
as well
（除某事或某人外）
还，也
Save the tigers
Paragraph 1 B Paragraph 2 C Paragraph 3 A
A. Tigers are in danger of going extinct. B. “Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing. C Tigers are important to the environment.
Read and answer:
How many tigers were there at the beginning of the 20th century?
Read and Answer:
Where do tigers live?
Read and Answer: Why do some people hunt and kill
➢2. Master some phrases about how to protect animals.
➢3. Discuss some ways to protect animals.
New words
短语过关：英译汉
at the beginning of…, 在……之初
drop to,
下降到；跌至
Summary: What did we learn in this lesson?
Homework
Write a short passage about how to protect animals.
a number of表示“许多”，相当于 many，修饰可数名词复数。作主语时， 谓语动词用复数。例如：
The number of students in our class is 50.
The number of pages in this book is 60. A number of students are planting trees on the hill.