译林版(三起)六年级上册英语课件：Unit7 Protect the Earth (第2课时)

We use trees to make paper. We use paper to make books. We use books to read.
Make sentences
wood eat
We use … to …
We use wood to make chopsticks.
We use chopsticks to eat.
(Period 2) Grammar time, Fun time & Culture time
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学校正在招募绿色环保小卫士哦！
Green Guards
Let’s review
Protect the Earth
Save water
Save energy
Save trees
…
Don’t use too much plastic
Look, judge and say
We should …
We should not …
We should ride bikes.
We use __p_la_s_t_ic__ to make bags and bottles, but __to_o__ _m_u__ch_ plastic is _b_a_d__ for the Earth. We should not use __t_o_o_ _m__a_n_y_ plastic bags ____ boorttles. We should use ______pabpaegrs and ______gblaoststles.
Most of our energy comes from coal and oil. There is not much coal or oil on Earth. We save energy. We should not drive so much because cars use a lot of energy.
Most of our energy comes from _c_o_a_l_ and __o_il__. There is _n_o_t_ m__u_c_h_ coal __o_r_ oil on Earth. We should __sa_v_e__ energy. We should not _d_r_i_v_e_ so much because __ca_r_s__ use a lot of energy.
We uussee plastic to make bags and bottles,but too much plastic is bad for the Earth. We should not use too many plastic bags or bottles. We should use paper bags and glass bottles.
Let’s review
Water is _u_s_e_fu__l . We _d_r_i_n_k_ water and use water to _c_l_e_a_n_ things every day. In many places, there is _n_o_t__ _m_u_c_h_ water. We should not _w_a_s_t_e_ water. We should __r_e_u_s_e and __s_a_v_e it.
Grammar time 你能找到什么规律吗？
use … to ...
Make sentences
We use … to …源自Wweatuesre water ttorsepietlasnt trees.
Woowdocodomes from trees. We use cwhoaoirdsto make chairs. We use chairs to sit.
Make sentences
wood
water read
eat
plastic go shopping
Tips: 1.选好题目，两人合作，一人说一句。 2.说完一题后，可尝试另外两题，看看谁说得最多！
Make sentences
water
read
We use … to …
We use water to plant trees.
Make sentences
plastic
We use … to …
go shopping
We use plastic to make bags.
We use bags to go shopping.
Grammar time
Tip 1: should情态动词，含义是应该，否定形式should not=shouldn’t，后面跟动词原形。 Tip 2: 与should相同用法的词还有can和must.
Wood comes from __tr_e_e_s_. We use _w__o_o_d to make _t_a_b_l_e_s, _c_h_a_i_r_s_ and many other things. We should not __c_u_t__ _d_o_w_n__ too many trees because _t_r_e_e_s_ help keep the air clean.
Grammar time
Water is useful.We drink water and use water ttoo clean things every day. In many places, there is not much water. We should not waste water. We should use and save it.
Wood comes from trees. We uussee wood to make tables, chairs and many other things. We should not cut down too many trees because trees help keep the air clean.