• What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane(甲烷, 沼气) and water vapor.
think and decide
readers to
whether people should think over the
do something about issue.
global warming or not.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Giving examples, making contrast.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
(Paragraph 6 )
It's up to readers to Using a question,
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Read the text carefully and fill in the blanks.
Scientists Opinion Janice ◆ We need 1__g_a_se_s_ like carbon Foster dioxide, methane and water
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
• What do you think greenhouse gases do?
They trap heat from the sun and therefore warm the earth.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Reading
What is the greenhouse made and used for?
A greenhouse is made of glass and is used for growing plants, especially during cold weather.
• How does it work? The air inside is warm because the
as low as 1 to 1.5 degrees Celsius, but it could be as high as 5 degrees Celsius. ◆ An increase of five degrees would be a 4_c_a_t_a_s_tr_o_p_h__e_ .
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
global warming comes explanation.
about.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
(Paragraphs 4---5 ) List two different attitudes among scientists towards global warming.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Scientists Opinion Janice ◆ Over the next 100 years the Foster amount of warming could be
glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Scientists Opinions George ◆ Believes that we shouldn’t Hambley worry about 5_h_i_g_h_l_e_v_e_ls_ of
carbon dioxide in the air . ◆ Predicts that any warming will be mild with few bad environmental 6_c_o_n_s_e_q_u_e_n_c_es. ◆7_S_t_a_t_e_s_that more carbon dioxide is actually a 8_p_o_s_i_ti_v_e_ thing, which will make life for human beings better.
vapour, but if we add huge 2_q_u_a_n_t_i_ti_e_s_of extra carbon dioxide to the atmosphere by burning fossil fuels, it will cause the 3_g_lo_b_a_l_t_e_m__p_e_r_a_tu_r_e to go up.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Reading
Main ideas of each Writing techniques part
( Paragraph 1 ) Introduce a debate Raising a question over the issue of global warming.
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
新课标人教版选修六Book6 Unit4 Reading【公开课课件】
Main ideas of each Writing techniques
part
(Paragraphs 2---3 ) Illustrate how
Giving examples, using graphs,