外研版 (新標準)九年級上冊Unit 2 Repeat these three words daily: reduce, reuse and recycle.課前預(yù)習課件ppt-課件下載-教習網(wǎng)

1.T summarize and cnslidate the rules f wrd knw hw t prtect the practice wrd-building: cmpunds, derivatives, cnversin
Language practice
Reuse means “use again”.Thugh pllutin is heavy nw, I dn’t think it’s hpeless.
Make new wrds. Jin the parts f wrds in Bx A with the wrds in Bx B. Yu need t use sme f the parts mre than nce.
These are sme bwls and spns made f china.
We shuldn’t use dispsable fd bx r dispsable chpsticks.
We can use them many times.
gd fr the envirnment
Smene threw an empty bttle in a river.
There are three rubbish bins fr recycling, s please divide the waste befre yu thrw things int them.
We can save energy.
Lk at the title f the passage. What suggestins d yu think the passage will make? Use the wrds in the bx t help yu.
china divide necessary plastic plicy reuse
Hw t be green
Pssible answers:?It is better t use china cups and bwls because they can be used many times.?It is better t divide the waste int things t recycle and things t thrw away.?It is necessary t use less plastic bags.?Yu shuld make a recycling plicy fr yur classmates and yurself.?…
Read the passage and answer the questins in the first part.
Check (√) the suggestins that are mentined in the passage.
Order fd that yu can finish.2. Use less electricity at hme.3. Learn ways t recycle rubbish.4. Use paper cups and paper bags.5. Repair things.6. Divide rubbish int different grups.7. Cllect waste r rubbish t raise mney.8. Burn things t save energy.
Cmplete the table.
D nt waste things.
Use things fr as lng as pssible.
T change things int smething else.
Find tw things yu shuld d and tw things yu shuld nt d in the passage. Give reasns. Use yur answers t write sentences.
We shuld recycle rubbish because it can help us prtect the envirnment.
Cmplete the passage with the crrect frm f the wrds in the bx.
divide granddaughter plastic plicy rapid recycle repeat step tn
We thrw away (1)_____ f rubbish every year. If we want a clean wrld fr ur grandsns and (2)_____________, we have t reduce, reuse and (3)_______. (4)_______ these three wrds every day. The first (5)_____ is t use less. The secnd is t use things as lng as pssible. Then (6)______ yur rubbish int (7)_______, paper, rubber and glass. Finally, draw up a recycling (8)______ fr yur cmmunity. We cannt hpe fr (9)_____ change, but every little bit helps!
granddaughters
Wrk in pairs. Make a list f things yu can d t make yur schl greener.
Dn’t thrw bttles away.
Make sure yu write r print n bth sides f the paper.
Bring yur wn chpsticks frm hme and reuse them. Dn’t use dispsable cups r plates, either.
Put paper, plastic, glass and metal in the recycling bins.
Write a passage n hw t make yur schl greener and give reasns. Use the list yu have made in Activity 7 t help yu. Use because, s and s that.
Dn’t thrw bttles away because it is better t recycle them.
Pssible answer:
Help make a green schl
We can d many things t make ur schl green. Remember the three mst imprtant wrds: reduce, reuse and recycle!Reduce Many peple waste paper because paper is cheap. But we shuld use less paper s that we can save trees. Make sure yu write r print n bth sides f the paper s that nthing is wasted. This simple tip will cut yur paper usage in half!
ReuseMany peple like dispsable cutlery（一次性餐具）because they dn’t have t wash up. But it isn’t green. Bring yur wn chpsticks frm hme and reuse them. Dn’t use dispsable cups r plates, either.Recycle We all eat and drink at schl every day, s there are plenty f wrappers, bttles and cans t dispse f. But dn’t just thrw yur bttles, wrappers and cans in the rubbish bin — supprt the schl’s recycling prgramme! Put paper, plastic, glass and metal in the recycling bins.Fllw these steps and we’ll all have a green schl!
It is better t use china cups and bwls...
Language pints 1
作不定式的形式主語eg：It's nt easy t get him t change his mind. 讓他改變主意不容易。作that引導的從句的形式主語eg：It is bvius that we can't g n like this. 我們顯然不能像這樣繼續(xù)了
用瓷杯和瓷碗更好…… it在這里作形式主語。
作whether, when, what等引導的句子的形式主語eg：It desn't matter whether yu g r nt. 你去不去沒關(guān)系。作動名詞的形式主語eg：It was nice seeing yu. 看見你真好。
when shpping 當買東西時
Language pints 2
when＋ding，when為連詞，由于主句和從句主語相同，故可省略從句中的主語和be動詞。eg：When waiting fr the train, he always plays his mbile games. 當他等火車時，他總是玩他的手機游戲。
d with 對付；與……相處
Language pints 3
eg：The teacher didn't knw what t d with the naughty pupil. 教師不知道該怎樣對付那個頑皮的學生。
1.詞語辨析【易錯點】 d with與deal with
2. 跟……相處 eg：She is easy t d with. 她好相處。
daily /'de?li/ adj.每日的；日常的adv.每日；每天 n.日報
Language pints 4
詞義辨析【易錯點】everyday與daily
change /t?e?nd?/ v.變成；轉(zhuǎn)換
Language pints 5
1.用作動詞：change hands 轉(zhuǎn)手 change seats 換座位(1) 意為“用……換……”。 eg：I'm thinking f changing my car fr a new ne. 我正考慮換輛新車。(2) 意為“把……變成(換成)……”。 eg：He changed his dllars int francs. 他把美元換成了法郎。
2.用作名詞，表示“變化”、“改變”，多用作可數(shù)名詞，有時也可用作不可數(shù)名詞。
一、根據(jù)句意及首字母或漢語提示完成單詞
1.We need three s　　　　t slve the prblem.2.—What wuld yu like t drink？ —Give me a b　　　　f water， yu r　　　　what yu said？I didn't hear it clearly.4.（杭州）Dr. Naismith d　　　　 the men in his class int tw teams and taught them t play many t　　　　des this elephant weigh？
二、用所給詞的適當形式填空
6. 【易錯點】Recycling is better than 　　　　（thrw） things away because the things we thrw away may cause pllutin.7. I dn’t think yu shuld eat t many meat 　 . （prduct）. 8.There are t many cars in the city， s the air .　　　?。╬llute）is very heavy. 9. We shuld use things fr as　　　（lng） as pssible.