最新book6unit4reading(公开课)教学讲义PPT

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book6unit4reading(公开课)
What do these pictures want to tell us?
global warming The earth is becoming warmer
The Earth Is Becoming Warmer --But Does It Matter?
3.When does the problem begin? The problem begins when we add huge
quantities of extra carbon dioxide into the atmosphere. 4.Who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957to 1997? Charles Keeling. 5.How many degrees Celsius will the temperature increase go at most over the next 100 years according to Dr Foster? 5 degrees Celsius.
陈述现象/问题 There is no doubt that … It is true / a fact that … 分析原因
…is due to … The reason why … is that … 不同观点
However, the attitudes of sb. towards sth are completely different. Opinions on the matter vary from person to person.
The structure of the text
Part I (para.1)
the cause
Part II (para.2-5)
introduction
Fra Baidu bibliotek
Part III (para.6)
a question
Part IV (para.7)
two attitudes
Part II (para. 2-5)
On the one hand, sb think that … On the other hand, there are those who are opposed to this view and believe that … 个人观点:
What How When Who How many
Part II (para.2-5) 1. What causes the increase of the earth’s
temperature? The burning of fossil fuels like coal, natural gas
with two questions? D. A. Because the writer wants to raise the
question for the readers to think over. E. B. Because the writer wants to appeal to the
Part III (para.6) two attitudes
scientist Dr Foster George Hambley
opinion a _c_a_ta_s_t_ro_p_h_e_ a _p_o_si_t_iv_e thing
1. a rise of _s_e_v_e_r_al 1. Plants will
and oil causes the increase of the earth’s temperature. 2. How is the earth warmed? The earth is warmed when small amounts of gases in the atmosphere, like carbon dioxide, methane and water vapor, trap heat from the sun.
readers to prevent global warming. F. C. Because the writer wants to arouse the
readers’ curiosity. G.D. Because the writer doesn’t have any idea of
global warming.
_m__e_t_re__s_ in the sea _g_r_o_w__q_u_ic_k_e_r_
possible level
2. Crops will
results 2. Severe _s_t_o_r_m__s_, _p_r_o_d_u_c_e__m_o_r_e
_f_lo_o_d_s_, _d_r_o_u_g_h_t_s, 3. It will e_n_c_o_u_r_a_ge
famines
a_g_r_e_a_t_e_r__r_a_n_ge
3. Spread ofd_i_s_e_a_s_es of animals
4. Disappearance of
_s_p_e_c_ie_s__
Part I: introduction 陈述现象/问题 Part II: the cause 分析原因 Part III: two different attitudes 不同态度 Part IV: ayqouersotipoinion 个人观点
The earth is becoming warmer. Para.2-5
Does it matter? (two different attitudes) Para.6
The purpose of the first paragraph is to ___. A. introduce the writer B. explain a change B. C. introduce the topic D. raise a question C. Why does the writer end up the last paragraph
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