人教版九年级英语Unit13全单元课件
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1. To learn and talk about air pollution, waste pollution and ways to solve the problems.
2. To learn to use the sentence patterns. used to...but now… should do sth.
What caused the problem?
People are throwing ___li_tt_e_r_ into the river. Factories are putting __w_a_s_te_ into the river.
How should the problem be solved? We should write to the __g_o_v_er_n_m__e_n_t_ and ask them to _c_lo_s_e_d_o_w__n__ the factories. Everyone should help to _c_le_a_n__u_p_ the river.
Make conversations about kinds of pollution in 1a.
Work in groups. Each group choose a topic in 2a. Say the words or phБайду номын сангаасases related to the topic one by one.
mobile phone pollution
litter v. 乱扔 n. 垃圾(不可数)
rubbish waste 垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
noise pollution
There are more cars on the road.
1a Here are some words related to
different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes littering ships factories smoking
building houses mobile phones
noise pollution air pollution water pollution __lo_u_d__m_u__si_c__ __f_a_c_to_r_i_e_s__ ____s_h_ip_s_____ ___p_la_n_e_s_____ __s_m_o_k_i_n_g___ ____r_u_b_b_i_sh___ m__o_b_i_le__p_h_o_n_e_s ___c_a_r_s_____ ____li_t_te_r_i_n_g__ b_u_i_l_d_in_g__h_o_u_s_es b_u_il_d_in__g_h_o_u_s_es ____fa_c_t_o_r_ie_s__
2. How was the river in the past? It used to be so __c_le_a_n__. It has been the _n_i_c_e_st_r_i_v_e_r_ in this town.
used to do sth. “过去常 常……” 表示过去习惯性 的动作但如今已不存在。
1b Listen and complete the sentences.
What was the problem? The river was __r_e_a_ll_y_d__ir_t_y__. Even the bottom (底部) of the river was full of __ru__b_b_is_h__. There were no more __fi_s_h__ for fishermen (渔民) to catch.
Listen again and answer the following questions.
1. What does Tony want to do later this afternoon? He wants to g_o__s_w_i_m_m__i_n_g_w__it_h__M_a_r_k__ in the river later this afternoon.
3. To master key words and phrases: litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference, lead to, instead of
Do you like it?
play a part in doing sth. “参与 做某事; 在做某事上起作用”。
1c Role-play the conversation.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used to be so clean! Mark: Yes, but people are throwing litter
into the river. Tony: Everyone in this town should play
a part in cleaning it up!
the blue sky
a clean city
But… The earth is polluted.
air pollution
n. 煤炭
The factories that burn coal pollute the air with a lot of black smoke.
water pollution Factories put waste into the river.
2. To learn to use the sentence patterns. used to...but now… should do sth.
What caused the problem?
People are throwing ___li_tt_e_r_ into the river. Factories are putting __w_a_s_te_ into the river.
How should the problem be solved? We should write to the __g_o_v_er_n_m__e_n_t_ and ask them to _c_lo_s_e_d_o_w__n__ the factories. Everyone should help to _c_le_a_n__u_p_ the river.
Make conversations about kinds of pollution in 1a.
Work in groups. Each group choose a topic in 2a. Say the words or phБайду номын сангаасases related to the topic one by one.
mobile phone pollution
litter v. 乱扔 n. 垃圾(不可数)
rubbish waste 垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
noise pollution
There are more cars on the road.
1a Here are some words related to
different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes littering ships factories smoking
building houses mobile phones
noise pollution air pollution water pollution __lo_u_d__m_u__si_c__ __f_a_c_to_r_i_e_s__ ____s_h_ip_s_____ ___p_la_n_e_s_____ __s_m_o_k_i_n_g___ ____r_u_b_b_i_sh___ m__o_b_i_le__p_h_o_n_e_s ___c_a_r_s_____ ____li_t_te_r_i_n_g__ b_u_i_l_d_in_g__h_o_u_s_es b_u_il_d_in__g_h_o_u_s_es ____fa_c_t_o_r_ie_s__
2. How was the river in the past? It used to be so __c_le_a_n__. It has been the _n_i_c_e_st_r_i_v_e_r_ in this town.
used to do sth. “过去常 常……” 表示过去习惯性 的动作但如今已不存在。
1b Listen and complete the sentences.
What was the problem? The river was __r_e_a_ll_y_d__ir_t_y__. Even the bottom (底部) of the river was full of __ru__b_b_is_h__. There were no more __fi_s_h__ for fishermen (渔民) to catch.
Listen again and answer the following questions.
1. What does Tony want to do later this afternoon? He wants to g_o__s_w_i_m_m__i_n_g_w__it_h__M_a_r_k__ in the river later this afternoon.
3. To master key words and phrases: litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference, lead to, instead of
Do you like it?
play a part in doing sth. “参与 做某事; 在做某事上起作用”。
1c Role-play the conversation.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used to be so clean! Mark: Yes, but people are throwing litter
into the river. Tony: Everyone in this town should play
a part in cleaning it up!
the blue sky
a clean city
But… The earth is polluted.
air pollution
n. 煤炭
The factories that burn coal pollute the air with a lot of black smoke.
water pollution Factories put waste into the river.