某产品运用价值工程分析，进行方案创新，产生了甲、乙、丙、丁四个方案。有关各方案的部分

阅读下面短文，掌握其大意，然后从21—40各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题纸上将该选项标号涂黑。

During the war,my husband was stationed at an army camp in a desert in California.I went to live there in order to be 21  him. I hated the place .I had never  22  been so unhappy . My husband was ordered out on a long-term duty,and I was left in a tiny shack(棚屋) alone. The heat was  23  -almost 125 0F even in the shade of a cactus(仙人掌)。 24  a soul to talk to . The wind blew non-stop ,and all the food I ate ,and the evry air I breathed,were  25   with sand , sand , sand !

I was so sorry for myself that I wrote to my parents. I told them I was  26   and coming back home.I said I couldn’t stand it one minute longer. I  27  be in prison! My father answered my  28  with just two lines-two lines that will always sing in my  29  - two lines that completely changed my life :

Two men looked out from prison bars

One saw the mud ,the other saw the stars

I read those two lines  30   I was ashamed of myself. I made up my mind I would find out what was good in my present  31  ; I would look for the stars

I made friends with the natives,and their  32  amazed me. They gave me presents of their favorite artworks which they had  33  to sell to toueists . I studied the delightful forms of the cactus .I watched for the desert sunsets,and  34  for seashells that had been left there millions of years ago when the desert had been an ocean  35 

What brought about this  36   change in me ? The desert hadn’t changed , 37   I had .I had changed my  38   And by doing so ,I changed an unhappy experience into the most amazing  39  of my life . I was excited by this new world that I had dicovered I had looked out of my self-creatded prison and  40   the stars

32（）

A.movement

B.reaction

C.guidance

D.purpose

财务效益状况修正指标中，（）是企业全部利润中最为重要的部分，是影响企业整体经营成果的主要因素。

A.主营业务利润

B.盈余现金保障倍数

C.主营业务利润率

D.成本费用利润率

急性肾功能衰竭时，选用抗生素的原则是（）。

A.抗菌谱要广

B.延长给药间隔

C.肾毒性小

D.肾衰竭时半衰期延长

E.给予含钾抗生素

实行（）的固定资产，应当在其固定资产折旧年限到期前两年内，将固定资产账面净值扣除预计净残值后的净额平均摊销。

A．平均年限法

B．双倍余额递减法

C．工作量法

D．年数总和法

为了缓解城市交通拥挤的状况，市长建议对每天进入市区的私人小汽车收取5元的费用。市长说，这个费用将超过乘公交车进出市区的车费，所以很多人都会因此不再开车上班，而改乘公交车。
以下哪项如果为真，最严重地削弱了市长的结论( )

A．汽油价格的大幅上涨将增加开车上下班的成本。
B．对多数自己开车进入市区的人来说，在市区内停车的费用已经远远超过了乘公交车的费用。
C．多数现在乘公交车的人没有私人汽车。
D．很多进出市区的人反对市长的计划，他们宁愿承受交通阻塞也不愿交那5元钱。
E．在一个平常工作日，住在市区内的人的私人汽车占了交通阻塞时汽车总量的20%。