仁爱英语九年级上册Unit 2 Topic 2 Section B.ppt

1 * Unit 2 Saving the EarthTopic 2 All these problems are very serious. Section B Air pollution What can we do to protect our environment? Listen to 1a andAnswer the questions. (1) What’s the article about? (2) What does the article say ? Its about air pollution in China . It says that China has become the worlds largest producer and user of coal . As a result, air pollution has become a serious problem . 2 3 4 1 5 自学一：Read and number the following pictures. 1a Look, listen and say. 自学二 ：Read 1a and complete the table. Should do Shouldn’t do 1.____ ____ wild animals 2.plant _____ _______ 3.do ___________ we can 1._______ rubbish here and there 2._______anywhere in public 3.________ on grass 4. pick _________ care for more trees everything leave spit walk flowers 复述表格内容，What should we do or not do to protect our environment? Work in pairs：划出1a中带有不定代词和不定副词 的句子并翻译。 不定代词和不定副词有哪些？ somebody, someone, something, somewhere anybody, anyone, anything, anywhere none, nobody, nothing, nowhere everybody, everyone, everything, everywhere 探究一： 不定代词和不定副词的一般用法？ somebody, someone, something, somewhere anybody, anyone, anything, anywhere none, nobody, nothing, nowhere everybody, everyone, everything, everywhere 一般情况下用于肯定句 一般情况下用于否定句和疑问句 表否定含义 可用于各种句式 探究二： 下面的题你会做吗？ I have ____ to tell you. A. important something B. something important B 形容词修饰不定代词和不定副词 要放在不定代词/不定副词之后 探究三 下面的题你会做吗？ Everybody ___ ready for the match. A. is B. are A 不定代词作主语谓语动词要用单数。 探究三 下面的题你会做吗？ Everyone is in the hall, ___________? Everything goes well, ___________? aren’t they 在反义疑问句中，表示人的不定代词作主语时，其反义疑问句的主语通常用they；当句子中的主语是指物的不定代词时，其反义疑问句的主语通常是代词it。 doesn’t it 探究三 Dear Headmaster, I’m writing to tell you _________important. Nobody likes to be untidy. However, some students throw waste paper and bottles ___________. We all need a quiet place to study, but some students often make too much noise at school. Worst of all, some of them are quite rude when talking to_