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问题 单项选择题

下列不能作为企业长期定价的目标的是( )。

A．实现预期利润

B．提高或维持市场占有率

C．维护企业形象

D．维持营业

答案

参考答案：D

解析： 维持营业目标是指以能够继续营业为定价目标。ABC三项的定价目标均可以作为企业的长期目标，而维持营业目标只能作为特定时期的过渡性目标。

阅读理解
阅读理解.

     We are going to describe one way to build a rooftop garden that does not even require
soil. Four things are needed for a small rooftop garden. One thing is a roof that can support
the weight. Another is grass cutting. The third thing is a sheet of plastic in which to spread
the cut grass. And the last thing is a box about eight centimeters deep and made out of four
pieces of wood.
     Once you are sure the roof is good, cut and collect some grass. Then lay down the
plastic where the garden box will go. The four-sided box can be as long and as wide as
needed. Place the box on top of the sheet of plastic. Then fill it with the cut grass. Next,
add water and walk on the cuttings to press them down.
     After about three weeks, the rooftop garden is ready for planting. Put the seeds directly
into the wet grass cuttings. This garden is a good place to grow peas, tomatoes, beans, onions
and lettuce. If the box is deep enough, potatoes and carrots will also grow.
     It is important to keep the grass wet until the plants begin to grow. When the plants are
growing, they will need watering every day, unless there is rain. And they will need some liquid
fertilizer. Also, seeds and new plants must be protected from insects and birds. Rooftop
gardens are increasingly popular, and not just to grow vegetables. They keep buildings cooler
in the sun, so they save energy. They can also extend the useful life of a roof.
     Rooftop gardens also reduce the runoff of storm water and help clean the air. Plus the
add beauty, and give birds and insects in the city a nice place to live.

The building of a rooftop vegetable garden

 

Things needed1._______Requirements
a roofto  2._____ the weight3.  _____and strong enough
grass cuttingto be used as  4.____to be pressed down
a sheet of plasticto  5._____possible leaks(渗漏)on which to  6._____ the cut grass
a 7._____ boxto hold the cut grass
made of 4 pieces of wood
seedsfor vegetablesto be protected from 8._______
9.____ and fertilizerto make vegetables grow bettersupplied frequently and 10.______ fertilizer
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单项选择题

下列哪种疾病诊断时不做血培养（）。

A.亚急性细菌性心内膜炎

B.钩端螺旋体病

C.副伤寒

D.细菌性痢疾

E.布鲁菌病
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