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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-repair 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 (14) areas to outlying malls. And the growing (16) of shopping centres led (17) to the building of bigger and betterstocked 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. 请在2处填上正确答案()
贷款期限在1年以内(含)的个人助业贷款,可以选择的还本付息方式为()。
为解决目前边境旅游面临的困境和问题,国务院日前印发《关于支持沿边重点地区开发开放若干政策措施的意见》提出研究设立边境旅游试验区。经过改革开放近40年发展,边境旅游已逐步成为与()并驾齐驱的三大出入境旅游市场之一。
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病原菌的检验程序主要有_______、_______、_______、_______。
里实热证患者选( )。
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集装箱货物保价费每批起码额为()。
商业银行在开展并购贷款业务时,应当进行评估法律与合规风险。包括但不限于分析以下内容()。
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微分方程dy/dx-y/x=tan(y/x)的通解是( )。[2011年真题]
微分方程dy/dx-y/x=tan(y/x)的通解是( )。[2011年真题]
微分方程dy/dx-y/x=tan(y/x)的通解是( )。[2011年真题]
微分方程dy/dx-y/x=tan(y/x)的通解是( )。[2011年真题]
微分方程xdy/dx+y=ydy/dx的通解为____。
微分方程xdy/dx+y=ydy/dx的通解为____。
作变换t=tanx把微分方程变换成y关于t的微分方程,并求原来微分方程的通解.
(2012)已知微分方程y′+p+(x)y=q(x)[q(x)≠0]有两个不同的特解y1(x),y2(x),则该微分方程的通解是:(c为任意常数)()
方程dy/dx+y=y2的通解为____。
方程dy/dx+y=y2的通解为____。