初三英语 课PPT课件

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Because Chinese people do not want to see more floods and droughts.
What does Wang Feng do?
He is a worker of the Great Green Wall.
the forests → help to keep water from_r_u_n_ni_n_g_a_way the trees → keep rain drops from _h_it_ti_n_g__the __so_i_l _directly the dead leaves → keep the water from _r_u_n_ni_n_g_a_way the water → then stays in one place
But ___t_h_a_n_ks_t_o____ the Great Green Wall,the land _p_ro_d_u_c_e_s_more crops.
So __t_h_e _m_o_r_e_ trees there are, _th_e__be_t_te_r_ harvests they have.
anything between 7 f _lo_o_d___ a great overflow of water. 8 he_a_r_o_f _ hear about something. 9 w_id_e___ the opposite of long.
Why has China built the Great Green Wall?
Wang Feng and other workers
They work at __Y__u_lin___ in __S_h_a_n_X_i__ . They have planted ___te_n__th_o_u_s_a_n_d__ trees this year. It`s __d_iff_c_u_lt__ to work on the Great Green Wall. They have to ___g_ro_w___ their own __f_o_o_d__.
→ is used by the _t_re_e_s_ in the forest.
So _f_lo_o_d_s_ are prevented and _d_r_o_u_g_h_t does not often happen.
THE GREAT GREEN WALL
Features (外貌)
Across the _n_o_r_th_e_n____ part of China, _7_,0_0_0__ kilometres long, between 4_0_0__and _1_7_0_0_kilometres wide.
The key words of Lesson 42
Lesson 42
• The Great Green Wall is 7,000 kilometres long and between 400 and 1,000 kilometeres wide.
• They must be built all over the world. • The more, the better.
Goodbye!
Functions (作用)
It stops the _w_i_n_d fromb_lo_w_i_n_g_th_e__e_ar_t_h_a_w_a_y. It stopsth_e__s_a_n_d_from m__o_vi_n_g_t_o_w_a_rd__th_e__ri_c_h _f_a_rm__la_n_d___in the south. It has saved __a__lo_t_o_f_l_a_n_d__________.
1 p_r_e_v_e_n_t stop something from happening. 2 d_r_o_u_g_hta long time when there is little or no rain. 3 t_o_w_a_r_d_s(moving) near a place. 4 f_a_rm__la_n_d_ land used by farmers to grow things. 5 am__o_n_g_ in the middle of 6 d i_re_c_t_ly_ (go from one place to another) without
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甘肃 陕 西
西
黑龙江
吉林 辽 宁
天 津
Lesson 42
THE GREAT GREEN WALL
1 Spell out every word which has the meaning of the phrase.The first letter is given.
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