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若int s=6；则表达式s%2+(s+1)%2的值是______。

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某施工场地是一片废墟，某施工单位通过招投标获得了工程的施工任务，并与建设单位签订了固定价格合同。在施工过程中，开挖基坑时发现地基条件与建设单位在招标文件中指出的已“三通一平”不符，仍有部分废墟。【问题】 1．在工程中遇到地基条件与原设计所依据的地质资料不符时，承包商应该怎么办 2．对于工程施工中出现变更工程价款和工期的事件后，甲乙双方需要注意哪些时效性问题 3．根据修改的设计图纸，基坑开挖要加深加大，造成土方工程量增加，施工工效降低。在施工中又发现了较有价值的出土文物，造成承包商部分施工人员和机械窝工，同时承包商为保护文物付出了一定的措施费用。请问承包商应如何处理

某工程，业主在招标文件中规定：工期T(周)不得超过80周，也不应短于 60周。某施工单位决定参与该工程的投标。在基本确定了技术方案后，为提高竞争能力，对其中某技术措施拟定了3个方案进行比选。方案一的费用为C1＝100+4T；方案二的费用为C2＝150+3T；方案三的费用为C3＝250+2T。这种技术措施的3个比选方案对施工网络计划的关键线路均没有影响。各关键工作可压缩的时间及相应增加的费用见表6-1。假定所有关键工作压缩后不改变关键线路。表6-1 关键工作可压缩的时间和相应增加的费用关键工作ACEHM可压缩时间/周压缩单位时间增加的费用/(万元/周)13.522.514.536.022.0 【问题】 1．该施工单位应采用哪种技术措施方案投标为什么 2．该工程采用问题1中选用的技术措施方案时的工期为80周，造价为2653万元。为了争取中标，该施工单位投标应报工期和报价各为多少 3．若招标文件规定，施工单位自报工期小于80周时，工期每提前1周，其总报价降低2万元作为经评审的报价，则施工单位的自报工期应为多少经评审的相应报价为多少 4．如果该工程的施工网络计划图如图6-1所示，则压缩哪些关键工作可能改变关键线路压缩哪些关键工作不会改变关键线路图6-1 施工网络计划图

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Passage Four How could we possibly think that keeping animals in cages in unnatural environments—mostly for entertainment purposes—is fair and respectful Zoo officials say they are concerned about animals. However, most zoos remain "collections" of interesting "things" rather than protective habitats. Zoos teach people that it is acceptable to keep animals bored, lonely, and far from their natural zones. Zoos claim to educate people and save endangered species, but visitors leave zoos without having learned anything meaningful about the animals’ natural behavior, intelligence, or beauty. Zoos keep animals in small spaces or cages, and most signs only mention the species’ names, diets, and natural ranges. The animals’ normal behavior is seldom noticed because zoos don’t usually take care of the animals’ natural needs. The animals are kept together in small spaces, with no privacy and little opportunity for mental and physical exercise. This results in unusual and self-destructive behavior called zoochosis. A worldwide study of zoos found that zoochosis is common among animals kept in small spaces or cages. Another study showed that elephants spend 22 percent of their time making repeated head movements or biting cage bars, and bears spend 30 percent of their time walking back and forth, a sign of unhappiness and pain. Furthermore, most animals in zoos are not endangered. Captive breeding of endangered big cats, Asian elephants, and other species has not resulted in their being sent back to the wild. Zoos talk a lot about their captive breeding programs because they do not want people to worry about a species dying out. In fact, baby animals also attract a lot of paying customers. Haven’t we seen enough competitions to name baby animals Actually, we will save endangered species only if we save their habitats and put an end to the reasons people kill them. Instead of supporting zoos, we should support groups that work to protect animals’ natural habitats. In the state of zoochosis, animals ______.

A. remain in cages
B. behave strangely
C. attack other animals
D. enjoy moving around