《A green World》Welcome to the UnitPPT【推荐下载课件】

turn off 关上（开关）
e.g. We can save energy by turning off the lights when we leave.
recycle vt. 回收利用，循环利用 eห้องสมุดไป่ตู้g. We can protect the environment
by recycling things.
b. We can save water by taking shorter showers.
c. We can save energy by turning off the lights when we leave a room.
d. We can protect the environment by recycling waste.
take a shower
e.g. We can save water by taking shorter shower.
cause vt. 导致；造成
e.g. Human pollution causes global warming. 人为污染导致全球变暖。
Listen and answer
5. What about Sandy? She thinks we should remember to turn off the
lights when we leave a room.
Read the conversation after the recorder.
Work in groups and talk about the ways to live a green life.
The class 1, Grade 8 students are talking about ways to live a green life. Look at the pictures below and match them with the correct sentences.
a. We can reduce air pollution by riding bicycles.
He likes digging in the garden. 3. What will Eddie plant?
He will plant breadfruit trees.
Act out the comic strip
短文缺词填空。
Spring is coming. Eddie asks Hobo what he is going to do. Hobo says he is going to plant __t_r_e_es___. Eddie asks if more trees will be __p_l_a_n_te_d_ this year. Hobo says yes because trees are ___g_o_o_d__ for everybody. Eddie wants to go with Hobo. He says he likes ___d_ig_g_i_n_g_ in the garden. Oh, is he _s_e_r_io_u__s_? Everyone knows Eddie used to be __l_a_z_y___. Has Eddie changed? Of course not. What he really wants is _p__la_n_t_in__g_ breadfruit trees so that he can eat lots of breadfruit. Eddie really enjoys __e_a_ti_n_g___!
What do you think of the pictures?
dig vt. & vi. breadfruit n. serious adj. 挖(洞，沟等) 面包果 认真的，严肃的
reduce vt. & vi. 减少，降低 e.g. We can reduce air pollution by riding bicycle.
Free-talk：
1. How do you go to school every day? 2. Do you want to protect our earth? 3. How do you protect it?
Read and answer
1. How did Kitty go to school in the past?
What is Hobo going to do? He is going to plant trees.
Read and answer: 1. Will more trees be planted this year?
Yes. Trees are good for us. 2. What does Eddie like doing?
Her father used to drive her to school. 2. What about now?
They take the underground now. 3. What does Millie think she should do to live a
green life? She thinks it’s wise for people to choose public transport and ride bicycles. 4. What about Daniel? He thinks we can take shorter showers to save water.
Unit8 A green World
Welcome to the unit
学习目标：
1.能准确运用有关如何保护环境的表达。 2.能就环保的话题展开讨论。 3. 培养学生保护环境的意识。
Did you know that all around the world, 3 to 6 billion trees are cut down each year? Have you ever planted a tree?