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　　Shopping habits in the United States have changed greatly in the last quarter of the 20th century.

　　__1__ in the 1900s most American towns and cities had a Main Street.Main Street was always in the heart of a town.

　　This street was __2__ on both sides with many __3__ businesses.

　　Here, shoppers walked into stores to look at all sorts of merchandise: clothing,furniture,hardware,groceries.

　　__4__ ,some shops offered __5__ .

　　These shops included drugstores, restaurants, shoe�瞨epair stores, and barber or hairdressing shops.

　　__6__ in the 1950s, a change began to __7__ .

　　Too many automobiles had crowded into Main Street __8__ too few parking places were __9__ shoppers.

　　Because the streets were crowded, merchants began to look with interest at the open spaces __10__ the city limits.

　　Open space is what their car driving customers needed.And open space is what they got __11__ the first shopping centre was built.Shopping centres, or rather malls, __12__ as a collection of small new stores __13__ crowded city centres.

　　__14__ by hundreds of free parking space, customers were drawn away from __15__ areas to outlying malls.

　　And the growing __16__ of shopping centres led __17__ to the building of bigger and better�瞫tocked stores. __18__ the late 1970s,many shopping malls had almost developed into small cities themselves.

　　In addition to providing the __19__ of one stop shopping, malls were transformed into landscaped parks, __20 __benches,fountains,and outdoor entertainment.

　　1.A.As early as B.Early C.Early as D.Earlier

　　2.A.built B.designed C.intented D.lined

　　3.A.varied B.various C.sorted D.mixed up

　　4.A.Apart from B.However C.In addition D.As well

　　5.A.medical care B.food C.cosmetics D.services

　　6.A.suddenly B.Abruptly C.Contrarily D.But

　　7.A.be taking place B.take place C.be taken place D.have taken place

　　8.A.while B.yet C.though D.and then

　　9.A.available for B.available to C.used by D.ready for

　　10.A.over B.from C.out of D.outside

　　11.A.when B.while C.since D.then