Module 9 Unit 2 Arnwick was a city with 200,000 people 第2课时(word)-【全效学习】2023-2024学年八年级上册英语同步课件及教参（外研版）

Unit 2　第2课时 ★学以致用★ 1.pollution的用法 作名词，意为“污染；污染物”，为不可数名词。常用搭配：air pollution意为“空气污染”；noise pollution意为“噪音污染”。 【拓展】pollute作动词，意为“污染；弄脏”，其过去式为polluted，现在分词为polluting。 ①There's a lot of __pollution__(污染)in the air here. ②All these waste products are __polluting__(pollute)the river. 2．public的用法 (1)作形容词，意为“公共的；公众的”。常用搭配in public places意为“在公共场合”，相当于in public。 (2)作名词，意为“民众”。常用搭配：in public意为“公开地；在别人(尤指生人)面前”；the public意为“大众；民众”，作主语时，谓语动词既可用单数形式，也可用复数形式。 ①It's better to keep your voice down in public __places__(place)． ②It's impolite to talk loudly __in__ public.(填入一个适当的介词) ③The public __want(s)__(want)to know the truth. 3．service的用法 作名词，意为“公共服务；服务”。其动词形式serve意为“为……服务”。 ①People hope to improve the bus and telephone medical __services__(服务)． ②Science __serves__(serve)the people. Ⅰ.用括号中所给单词的适当形式填空 1．Large cities need more fresh water and better public __services__(service)． 2．It's very easy for people __to travel__(travel)now because of the modern transport system(系统)． 3．Is __pollution__(pollute)from cars the main cause of global warming? 4．Every year，__millions__ (million)of people come to Beijing to visit the Great Wall. 5．Mr Green wants __to live__(live)in the countryside for it has fresh air. 6．The __growing__(grow)population is the biggest problem at the moment. Ⅱ.用合适的词完成句子，每空限填一词 1．People from countryside moved __to__ cities to find jobs. 2．The local school in the town closed __down__ six years ago. 3．Joe has to go to a new school __with__ 2，000 students in New York. 4．Chinese food is very popular __around__ the world. 5．Sam is about the same height __as__ his sister now. Ⅲ.完形填空 Most new babies were born in developing countries.And we usually 1.__find__ it in the countries in Africa，South America as well as some parts of Asia.In the developed countries of 2.__Europe__ and North America，the population is growing very 3.__slowly__.This is 4.__because__ women in these countries have，on average(平均)，only one or two children.In the 5.__developing__ countries，many women hav