Unit 4 人教版英语选修6同步优秀课件

常考语法
3.“ 疑 问 句 ＋ 不 定式”结构
it 的用法(2)
4.if not
话题写作 环境问题
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Unit 4 Global warming
话题背景链接
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Unit 4 Global warming
People and the sources of air pollution are found in the same places.This means that cities with large populations have the biggest problem of dirty air.Air pollution is caused by many different things.A major source of air pollution is the gas fumes from cars.Statistics show that 93 percent of all auto trips are within cities.Another major source of dirty air is the burning of coal and oil for energy.This energy is needed to make electricity.Of course, much more electricity is used in the city than in the country.
in the country.
(___T__)
3．The fumes from coal and oil may cause metal to turn black.
(___F__)
4．In larger cities, the fumes from coal and oil may contribute to heart disease. (___F__)
重点短语 come about subscribe to quantities of
go up result in
keep on on behalf of put up with so long as
经典句型
1.There is no doubt that... 2.even if 引导让 步状语从句
U n i t 4 人 教 版英语 选修6 同步优 秀课件 PPT
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U n i t 4 人 教 版英语 选修6 同步优 秀课件 PPT
Unit 4 Global warming
Ⅱ.佳句仿写 1．诚实加苦干有助于成功和幸福。(仿①句) Honesty and hard work ___c_o_n_tr_ib_u_t_e_t_o_s_u_c_c_e_s_s_a_n_d_h_a_p_p_i_n_e_ss_____ . 2．这个汽车旅馆的房价每天从三十美元到五十美元不等。(仿②句) The room rate at this motel _____ra_n_g_e_s_f_r_o_m__$_3_0_t_o_$_5_0______ per day.
2．Air pollution is more grave in the city than in the country because there are
much more gas fumes from cars and burning of coal and oil for energy in the city than
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U n i t 4 人 教 版英语 选修6 同步优 秀课件 PPT
Unit 4 Global warming
On the average, we throw away more trash and garbage than the year before. ① The burning of garbage contributes to air pollution. Many major industries are also responsible for the dirty air in the around cities.The fumes from iron，steel， chemical，and petroleum production add particles to the air.
新课标导学
英语
选修⑥ ·人教版
Unit 4
Global warming
1
单元目标锁定
2
话题背景链接
3
巩固提升
4
课时作业
Unit 4 Global warming
单元目标锁定
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Unit 4 Global warming
必记单词 tend
oppose
consequence
state range glance average advocate circumstance
U n i t 4 人 教 版英语 选修6 同步优 秀课件 PPT
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U n i t 4 人 教 版英语 选修6 同步优 秀课件 PPT
Unit 4 Global warming
Ⅰ．阅读短文，判断正(T)误(F)
1．The purpose of this passage is to persuade people to stop polluting the air. (___F__)
②The effects of air pollution range from mild headaches to death. The levels of pollution found in heavy for traffic may cause headaches for loss of clear vision. Wherever coal and oil are used for fuel, fumes may kill trees and plants and cause metal to corrode.In some of the larger cities, these fumes endanger the live of human beings by contributing to lung diseases and causing early death.