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听力原文：Drug use by teenagers has become a major concern—a problem that cuts across economic and social strata.
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You need to drive away quickly after putting your money in the car park machine.

事件4：乙施工单位就上述停工自身遭受的损失向甲施工单位提出补偿要求，而甲施工单位称：此次停工系执行监理工程师的指令，乙施工单位应向建设单位提出索赔。
问题4：
甲施工单位的说法是否正确？为什么？乙施工单位的损失应由谁承担？

某建设项目有A、B两个投资方案，基准收益率ic=10%，其现金流量(投资与效益)见下表。
现金流量表年
参考系数：
[P/A,20%,2]=1.527 8 [P/A,25%,2]=1.440 0 [P/A,20%,1]=0.833 3
[P/A,30%,2]=1.360 9 [P/A,25%,2]=1.289 4 [P/A,25%,1]=0.800 0
[P/A,20%,7]=3.604 6 [P/A,20%,2]=3.161 1 [P/A,10%,7]=4.868 3
[P/A,30%,7]=2.802 1 [P/A,20%,2]=2.507 5 [P/A,20%,2]=0.694 4
[P/A,20%,2]=0.640 0 [P/A,30%,2]=0.591 7 [P/A,20%,2]=0.548 7
问题：
试分别应用如下两种方法，对A、B两方案进行评价和优选。
(1)净现值法。
(2)内部收益率法。

It is said that one could aim at a prosperous life (having a good income and being able to afford the good things in life), an important life (a life of achievement that brings one respect and recognition), or a family life (a life completely centered on one's family). Write an essay Of about 300 words on
1. What I Consider Important in Life
In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary.
Marks will be awarded for content, organization, grammar and appropriacy. Failure to follow the above instructions may result in a loss of marks.
Write your composition on ANSWER SHEET FOUR.