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
26、--Why did he suffer failure again?
--It was his carelessness that it.
A、managed B、resulted from C、benefited from D、contributed to
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
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
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
22、Try to a few hours each week for exercise.
A、put away B、take away C、pick up D、set aside
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
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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