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1、Unit 13 Were trying to save the earth!Section B (1a1e) 【学习目标】1. 学习并掌握下列词汇：recycle, napkin2. 学习并正确使用以下常用表达：stop doing sth., Its hard to do sth.3. 学习并会用下列句型：1) Turn off the lights when you leave a room.2) Turn off the shower while you are washing your hair.3) Recycling paper is really easy. I agree. B
2、ut its hard to stop riding in cars.4) We really shouldnt use paper napkins, you know.I know. I stopped using them last year.【重点难点】 Listening practice.Use what we have learned to talk about what to do to help save the planet. 【新知预习】根据句意和首字母提示完成单词。1. We really shouldnt use paper n_.2. We should r_ boo
3、ks and paper3. Please t_ your own bags when shopping.4. Turn o_ the lights when you leave a room.5. Saving e_ animals is one thing we can do for our world.【课堂探究】1.关于turn的短语turn on打开，发动.如：Would you please turn the TV on? turn off 关闭 关掉. 如：Could you please turn off the light? turn up 开大（一般情况下指调节音量大小，灯
4、光明暗，或煤气大小等）；出现。如：Turn the radio up please, I cant hear it clearly.；turn up还表示“出现”。如：We settled to meet at 7:30 at the cinema, but he didnt turn up.turn down 关小；调低；拒绝。如：.So we have to turn down the other a little bit.;turn down 还表示“拒绝”。如：How can you turn down such a poor little girl.take turns依次，轮流。如
5、：Lets take turns fill the bottles with water. turn back折回；往回走。如：Suddenly, he turned back running to me.turn out生产；驱逐；翻转；结果是。如： It didnt exactly turn out as I planned.结局并不是我计划的那样。2It is + adj.(for sb.)+to do sth.如：Its hard to stop riding in cars. Its difficult for parents with young children to use p
6、ublic transportation.【针对练习】用动词的适当形式填空。Its easy for him _ (finish) his homework. 3. stop to do sth. 与stop doing sth.的区别stop doing sth是“停止做某事”，doing是stop 的宾语，是要停止的动作。例如: The two girls stopped talking when they saw me. 那两个女孩一见到我就停止了讲话。stop to do sth 是“停下来开始做某事”，to do是stop的状语，表示目的，是要开始做的事情，例如:The two gi
7、rls stopped to talk to me when they saw me. 这两个女孩一看到我就停下来和我讲话。【针对练习】用动词的适当形式填空。They stopped_ (talk) when they saw their teacher come here.【达标练习】I. 单项选择。( ) 1.Doctor Li often asks me _ too much meat. A. dont eat B. not eat C. not to eat D. doesnt eat.( ) 2. Most young people find _ exciting to watch
8、a football match.A. it B. this C. that D. one( ) 3. We students should do what we can _ progress in study every day. Its good for our future.A. make B. to make C. achieve D. get( ) 4. Not only he but also his friends_ eager to help those who lost their homes in the earthquake.A. was B. were C. is D.
9、 areII.用所给词的适当形式填空。1. What else can we do _ (help) save the planet?2._ (recycle) paper is really easy.3. Its hard to stop_ (ride) in cars.4. We really shouldnt _ (use) paper napkins, you know.5. I _ (stop) using them last year.III. 根据所给汉语提示完成下列句子。1. 当你在洗头的时候请关闭水龙头。Please _ _the shower _ you are wash
10、ing your hair.2. 拯救濒危动物是我们为世界做的一件事情。 _ _ _ is one thing we can do for our world. 3. 循环使用纸张确实很简单。 我同意。Recycling paper is_ easy._ _. 4. 我认为每个人都应该使用公共交通工具 我们不同意。We think that everyone_ _ _ _ . We _.5. 两个环境保护组织反对鱼翅业。Two _ groups which _ _ finning.Time, Time again, I ask myself （请写出这节课你的收获，完成下面的反思）【学后反思】
11、 九年级英语第13单元学案参考答案及解析第四课时【新知预习】1. napkins 2. recycle 3. take 4. off 5. endangered （解析略）【课堂探究】to finish; talking【达标练习】I.1. C ask sb. (not)to do sth.2.A it 作形式宾语。3.B to do 不定式作目的状语。4.B not onlybut also句子的谓语动词用就近原则。II 1.to help to do 不定式作目的状语。 2. Recycling 动名词作主语。 3. riding stop doing sth停止正在做的事情。4. use 情态动词后面跟动词原形。5. stopped stop doing sth停止正在做的事情，last week 提示用一般过去时。III.1. turn off; while 2. Saving endangered animals 3. really; agree 4. should use public transportation; disagree 5. environmental; are against（解析略）