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11.You go to a store to buy food for a party.But when you get to the cash register,there are no plastic bags for the things you buy.If you live in San Francisco,this situation might not surprise you.(71)FMany cities and towns around the United States may ban plastic bags.(72)GInstead,they'd like people to use their own cloth bags when they shop.(73)DThey say they wouldn't buy as much if they couldn't get a free bag.Store owners don't want to lose business.So they want to keep offering plastic bags.
Stores should be banned from using plastic bags.Here's why:
All those plastic bags fill up garbage dumps (垃圾站).That hurts the environment.
People can use cloth bags instead.(74)AStores should not be banned from using plastic bags.Here's why:
People might buy less if stores don't offer plastic shopping bags.Some stores might go out of business.
Some people reuse plastic shopping bags for things like garbage.If they don't get them for free,they'll have to buy some.(75)CThat could get expensive.

A.These bags don't get thrown away until they've been used many times.
B.There should always be a choice.
C.If shoppers forgot a cloth bag,they would have to buy one.
D.But many people don't want to buy their own cloth bags.
E.Many people throw them away after using them.
F.That city has banned most plastic shopping bags from stores.
G.They hope that shoppers won't use paper bags either.

分析 本文属于议论文阅读,作者通过这篇文章告诉我们如今美国的许多城市的超市已经不提供免费的塑料袋,他们鼓励人们购物时使用自己的布袋,并提出了这种做法可能引发的问题.

解答 71.F  本题考查前后句子的联系,根据后文Many cities and towns around the United States may ban plastic bags.美国各地的许多城市和城镇可能禁止塑料袋,说明美国旧金山已经禁止商店使用塑料袋,故选F.
72.G  本题考查前后句子的联系,根据后文Instead,they'd like people to use their own cloth bags when they shop.相反,他们希望人们在购物时使用他们自己的布袋,可知前文说明他们也不希望顾客使用纸袋,故选G.
73.D  本题考查前后句子的联系,根据后文They say they wouldn't buy as much if they couldn't get a free bag.他们说如果不能得到免费的袋子他们就不会买那么多,说明很多人不想买自己的布袋,故选D.
74.A  本题考查前后句子的联系,根据前文People can use cloth bags instead.人们使用布袋,是因为这些袋子可以直到被使用过很多次才会被扔掉,故选A.
75.C   本题考查前后句子的联系,根据后文That could get expensive.那可能很贵,说明前文说人们会自己购买袋子,故选C.

点评 本文需要学生通读全文,了解文章大意,分析句型,明确关联关系,结合上下文判断,确定答案后带入复查.

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