下文是关于“禁令”出台后, 各超市对此政策的应对措施。
　　任务一 阅读下面文章, 完成任务单。
　　From June 1st, all Chinese retailers （零售商）, including supermarkets, department stores and grocery stores, would no longer provide free plastic shopping bags. Shoppers will pay between 0.2 yuan to 2 yuan for the plastic bags they use. Different supermarkets have fixed different prices according to the cost of their plastic bags.
　　The most expensive shopping bags come from Jusco Supermarkets? a Japanese retail group in Guangzhou. The price of its largest bags is 2 yuan .
　　In Shanghai, Lotus Supermarkets set their retail price at 0.3 yuan , and the bags will be printed with bar codes（条形码）as goods for sale.
　　Walmart Supermarkets in Shanghai have not decided on the prices for plastic bags. But the company has been trying to provide different kinds of alternative bags（代替袋）at its retail stores. They are sold from 1.5 yuan to 2.9 yuan , depending on different sizes.
　　In Beijing, Walmart Supermarkets also priced plastic shopping bags at 0.2 yuan and 0.4 yuan , which hold weights of 10 kg and 20 kg.
　　But most customers said the price is too high.
　　　　　　　　　　Worksheet

Cities	Supermarkets	Differences
Shanghai	Lotus	the bags with bar codes cost 1._______ yuan.
Shanghai	2. _______	provide different kinds of alternative bags.
3. _______	Walmart	priced plastic shopping bags at 0.2 yuan and 0.4 yuan .
Guangzhou	4. _______	the bags provided in the supermarkets are the most 5. _______.

　　任务二根据上面材料, 写一篇“White pollution”为题的文章, 提倡避免使用塑料的购物袋。
　　要点：1.什么是白色污染；2.白色污染的坏处；3.政府的措施。
　　注意：文中不得出现考生个人信息；词数80〜120个。
　　　　　　　　　　White pollution
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