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27、--What is the cost of you shirts here, sir?

--It depends on which you want to buy, and the prices    from 100 dollars to 500 dollars.

A、increases    B、ranges     C、reaches     D、different

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26、--Why did he suffer failure again?

--It was his carelessness that    it.

A、managed     B、resulted from   C、benefited from    D、contributed to

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25、It's not     the whole nation rose up and drove the enemy out of their homeland.

A、before long    B、long before    C、soon       D、a long time

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24、New light may be     the cause of cancer by research that is now in progress.

A、thrown      B、thrown off      C、thrown on     D、thrown by

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23、    the new technology in their production,the peasants had a better harvest last year.

A、Applied       B、Applying to   C、Having applied     D、Applying for

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22、Try to    a few hours each week for exercise.

A、put away        B、take away    C、pick up       D、set aside

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第一节:单项填空(共15小题;每小题1分,满分15分)

   从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

21、when I first set    in Canada, I didn’t know what the future might have in    for me.

A、my foot; the store     B、a foot; the store   C、foot; store     D、feet; stores

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22、某旅游商品生产企业,2007年某商品生产的投入成本为1元/件,出厂价为流程图的输

出结果元/件,年销售量为10000件,因2008年国家长假的调整,此企业为适应市场需求,计划提高产品档次,适度增加投入成本.若每件投入成本增加的比例为(),则出厂价相应提高的比例为,同时预计销售量增加的比例为.已知得利润(出厂价投入成本)年销售量.

   (Ⅰ)写出2008年预计的年利润与投入成本增加的比例的关系式;

(Ⅱ)为使2008年的年利润比2007年有所增加,问:投入成本增加的比例应在什么范围内?

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