牛津深圳版英语七下Unit 4《Save the trees》ppt复习课件

Revision : 1 是。。。的家园
__th_e_h_o_m_e_t_o__________ 2 让。。。保持 ___ke_e_p_s_th_+_a_d_j _________
3 be made of & be made from be made of 表示“用……制作（_______）” be made from 表示“用……制作（_______）”
词性转换
1 save (v) __sa_f_e_(adj) __s_af_e_t_y_(n) 2 discuss (v) __d_i_s_cu_s_s_io_n_(n) 3 convenient (adj) __c_on_v_e_n_ie_n_c_e (n) 4 container (n) __c_o_n_ta_i_n___(v) 5 fight (v) ____fi_g_h_te_r___(n) 6 harmful (adj) __h_a_r_m______(n) 7 pollute (v) __p_o_l_lu_t_io_n___(n) (pl of n) 8 branch _b_r_a_n_ch_es 9 gas ___g_as_e_s__ 10 root ___r_oo_t_s__ 过去式 11 fight_f_o_u_g_ht 12 dig _d_u_g___ 13 carry __c_ar_r_ied
20 be harmful to =__b_e__b_a_d__fo_r______
Unit 4 Grammar The present continuous tense
现在进行时
V-ing 变化规则： 1) 一般在动词原形后加 ing .
如: play----playing
watch----watching 2) 以不发音字母e 结尾的动词,去e 加ing.

Trees help us in many ways. They keep the air cool and clean. They take in (2)__ha_rm_fu_l _____(harm) gases from the air and produce oxygen for us (3)_t_o b_re_at_he_____ (breathe). They are major (4)__fig_ht_er_s _____(fight) against air (5)_po_llu_tio_n______ (pollute).
(actual), we get a lot more from trees. We get fruit and oil from them. Tea also comes from the leaves of trees. Look around this room.
语法填空
A lot of (8)_______th_e__ furniture (9) __is_m_a_d_e ____(make) of wood. Trees are really important in our daily lives. So we can't imagine what the world would be like if there were no trees.
furniture 意为“家具”，是不可数名词。 be made of 表示“用……制作（看得出原材料）” be made from 表示“用……制作（看不出原材料）”
of
The desk is made ________ wood.
Paper is made __fro_m_____ wood.

out trees
Topic sentences Useful trees Trees in danger
Trees are really important in our daily lives. They help us in many ways.
Products from trees
Comprehension
Answer the following questions with information from the conversation between Rebecca and Dr Jones.
• What does Rebecca want to know? • How do trees keep the air clean? • Where does tea come from ? • What is usually made of wood?
Can you guess the meanings of the following words?
Can you give some more examples?
Homework
1. 抄写短语：come from，in fact，look around， (be) made of。
2. 思考Comprehension D2的问题Why does Rebecca say “I can’t imagine a world without trees”?。
Oxford English
Unit
4
Module 2 Man’s best friends
Save the trees
Period 2 Reading (2)
Checking-up
Why are trees so important in our daily lives?

part of China. • We can find pine trees in almost every ______ • People grow pine trees in cities because they are always green and they make the environment ______ strong more_________ beautiful • Pine trees are very _________ —They can grow in difficult environments. long lives. • Pine trees have very ______ 1,000 years. —Some of them live more than _______ • Pine trees are useful. furniture —We use them to make _________. Chinese medicine to fight against —We use them in _________ diseases.
用于表示接近尾声或文章结尾。
上述连接词或短语一般用于句首，后 面通常有逗号。这些连接词或短语有 助于理清思路，使介绍更有逻辑性。
Listen to a radio program about pine trees and complete the notes below. Write one word or figure in each blank.
Tapescript
Host: Welcome to The Natural World. People tell us they want to learn more about different kinds of trees, so I’m going to tell you something about pine trees today. You can find pine trees in almost every part of China. People grow pine trees in cities because they’re always green. They make the environment more beautiful. They are very strong plants. They can grow in difficult environments. They also have long lives. Some of them can live more than a thousand years. We make use of the pine trees in many ways. First, we use the wood from them to make nice furniture. Second, we use them in Chinese medicine. We use almost every part of them to fight against different diseases.