1、河南省开封市第三十三中学九年级英语全册 Unit 15 Were trying to save the manatees Section B The first period学案（无答案） 人教新目标版课前预习：英汉互译1recycle paper _ 2. 停止使用 _3hear of _ 4.需要一些帮助 _ 5be made from _ 6. 关灯 _7纸巾 8.惊奇地发现 学习过程重点讲解1. turn off the shower while you are washing your hair.While 意为“当.的时候。它通常有以下用法：主从句的两个动作同时发生。e.g.: I
2、 was reading a newspaper while I was waiting for a bus.正当一个动作正在发生的同时，另一个动作发生了。 e.g.: While I was having supper, Jim came in.2. Recycling paper is really easy.recycling paper是动名词短语，作主语。当动名词或动名词短语作主语时，谓语动词应用单数。 e.g.: Eating too much fat is bad for you health.3. But its hard to stop riding in cars.本句是动
3、词不定式作真正主语的常用句型。句中it是形式主语。句型为：Its+形容词+to do sth.E.g.: Its necessary to take an umbrella with you.stop作为动词，意为“停止”。后面既可以接动词不定式，也可以接动名词。但在意义上有区别：stop doing sth.意为“停止正在干的事情”,stop to do sth.意为“停下来去干别的事情”。eg:Please stop talking.Youre tired. Please stop to have a rest.达标巩固（Do exercises）一根据汉语提示,完成下列句子。（横线处不限
4、词数）1这个教室有10米长, 6米宽。The classroom is _.2这条河不像过去那样干净了。The river _ it _.二单项选择（ ）1.There will not be enough space to _ the earth in the future.A. live on B. live in C. live on in D. live in on（ ）2.At last, Lucy make the baby _ and the baby began to laugh.A. stop crying B. to stop crying C. stop to say D
5、. to stop to cry( ) 3. Do you _ a cat _ a pet at home?A. have , as B. keep, for C. keep, as D. Both A and C( ) 4. The president _ all people _ our environment.A. urge, protect B. urged, to protect C. urges, protect D. urged, protect( ) 5. I feel that the zoo _ a clean and safe place _ animals .A. provide, for B. gives, for C. provides, for D. provides, to课后反思：
