人教版九年級英語課件Uint13SectionB1a1e共16張

1、 Section B:1a1e Unit 13 Were trying to save the earth! 【課前預(yù)習(xí)】【課前預(yù)習(xí)】 Look ,the paper napkins are used here and there. We should stop using the paper napkins ! Turn on the shower while you are washing your hands. We should turn off the shower . We should save water. Today, we should stop 1.1.知識目標(biāo)知識目標(biāo):

2、 : 1）重點詞匯 recycle (v.) 回收利用；再利用 napkin 2）重點句子： ?A: We really shouldnt use paper napkins ,you know. B: I know. I stopped using them last year. ?A: Recycling paper is really easy. B: I agree. But its hard to stop riding in cars. ?Turn off the shower while you are washing your hair. ?We have seen many

3、changes in the environment. ?The air pollution is getting worse and worse. 2.2.技能目標(biāo)：技能目標(biāo)： 能夠運用目標(biāo)語言表達自己的觀點，并有充足的理由。 3.3.情感目標(biāo)情感目標(biāo)：進一步了解污染的生成問題，增強愛護地球意識。 ?While listening 1.Listen to the conversation and complete the sentences. Things Julia and Jack Things Julia is talk about doing now Things Julia wil

4、l do in the future Things Julia would Never do Turning off the lights Turning off the shower Not using paper napkins Taking your own bags when shopping Not riding in cars Riding a bike Recycling paper 1. A: Recycling paper is really easy.循環(huán)利用紙張真是容易。 B: I agree. But its hard to stop riding in cars.我同

5、意。但是 停止駕車是很難的。 recycling paper在句中作主語，意為“循環(huán)利用紙張”。動詞作 主語應(yīng)該用動名詞形式，這類句式可以轉(zhuǎn)換為its+形容詞+不 定式形式。如： Pouring the dirty water into the river is bad for us.向河里倒臟 水對我們不好。（可轉(zhuǎn)換為Its bad for us to pour the dirty water into the river .) Its+形容詞+不定式，表示“做什么是怎樣的”。如： Its good for us to ride a bike.騎自行車對我們（的身體）有益。 2.A: We

6、really shouldnt use paper napkins，you know. 你知道，我們真不應(yīng)該使用餐巾紙。 B: I know. I stopped using them last year. 我知道，我去年就停止使用它們了。 shouldnt是should的否定形式，意為“不應(yīng)該”，后面跟動詞原形 。如：You shouldnt watch TV too late.你不應(yīng)該看電視太晚。 3. Turn off the shower while you are washing your hair.當(dāng)你 洗頭發(fā)時，關(guān)掉洗浴器。 turn off 動詞短語，意為“關(guān)掉（關(guān)閉電器或水龍

7、頭）”。 turn into (使)成為 ，將翻譯成。 如： Can you turn the letter into French? 你能將此信譯成法語嗎? turn on 意為“打開(電器、煤氣、水龍頭等) ；(突然)攻擊”。如： Could you turn on the bath for me while youre upstairs? 4.We have seen many changes in the environment. 我們在環(huán)境中已經(jīng)看見許多變化。 seen是see 的過去分詞，see的過去式是saw。如： She _ (see) the boy last year.(

8、由last year可以 推測用過去式saw）。 5.The air pollution is getting worse and worse. 空氣污染正變得越來越惡劣。 pollution是不可數(shù)名詞。 worse and worse 是“形容 詞或副詞的比較級+and+形容詞或副詞的比較級”結(jié) 構(gòu)，表示“越來越” ，是比較級的一種表示方式。 注意當(dāng)形容詞（副詞）多音節(jié)時，用“ more and more + 形容詞或副詞的原級” 。如：Our country is becoming more and more beautiful. 我們的國家正變 得越來越美麗。 選擇題 ( ) 1. I

9、ts good _use paper napkins. A. to stop use B. to stop using C. stop to use D. stop using ( ) 2. When you go to bed, please_ the lights. A. turn of B. turn on C. turns off D. turn off ( ) 3. _ the bike is good for our body . A. Ride B. Riding C. To riding D. Rode 解析： 1.B 本題考查“its+形容詞 +不定式”結(jié)構(gòu)，stop后面跟動

10、名詞表示停止做某 事。故選B。 2.D turn off 動詞短語，意為“關(guān)閉電器或水龍頭”。3.B 動詞作主語時，應(yīng)該用其動名詞形式。 根據(jù)漢語意思完成英語句子： 1. We should not _ _ _ . 我們不應(yīng)該用餐巾紙。 2. We _ _ _ when we are _ . 當(dāng)我們?nèi)ベ徫飼r帶上自己的（購物)袋。 答案： 1. use paper napkins 2. take our bags ; shopping 1. turn away 走開；把臉轉(zhuǎn)過去 2. turn ones back on 不理睬 3. turn on 開/旋開(電燈等), 打開（煤氣、水龍頭等） turn off 關(guān)掉(電燈、煤氣、水龍頭等) 4. turn into （使）變成，（使）成為 5. turn in 轉(zhuǎn)身進入；拐入；交出；上床睡覺 6. turn down 關(guān)小，調(diào)低；拒絕 7. turn against 對采取敵對態(tài)度 8. by turns 輪流，交替 take turns 依次，輪流 on the turn 正在轉(zhuǎn)變中 9. turn back (使)折回，(使)往回走 10. turn around/round （使）轉(zhuǎn)變，(使)好轉(zhuǎn) 11. in turn 依次，輪流；轉(zhuǎn)而，反過來 12