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【简答题】
Only about (31) ____________of people over 65 become senile. A much more common problem is in fact caused by: (32) ____________. (33) ____________. Nearly (34) ____________of people over 65 has at least one serious illness. Maybe about 15% of older people suffer from (35) ____________. When people become old, there are changes in metabolism, lungs, the senses, (36) ____________and (37) ____________.
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刷刷题刷刷变学霸
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【单选题】Private enterprise is the thing. We went to a party on the river earlier this summer. The host (31) is old enough to know better, served a lunch made with his home-made wine. As I was driving, I was (...
A.
able
B.
near
C.
sure
D.
almost
【单选题】某桩基工程，业主通过招标与某基础工程公司签订了施工合同，工程量清单中估计工程量4000m，合同价500元/m3，合同工期为40天。合同约定：工期提前1天奖励：2万元，拖后1天罚款4万元，工程款按旬结算支付。合同履行到第21天时发生了地震，造成停工4天，经工程师认可的施工方的实际损失为10万元，第3旬完成工程量800m3；后期因机械故障停工3天，最后实际工期为50天。不考虑其他款项，施工方在第3旬应...
A.
58
B.
14
C.
26
D.
50
【单选题】A．投资额→产品价格→经营成本 B．产品价格→投资额→经营成本 C．投资额→经营成本→产品价格 D．经营成本→投资额→产品价格
A.
某项目单因素敏感性分析，评价指标为财务净现值，不确定性因素为投资额、产品价格、经营成本，由下表所示计算结果可知，项目对三个因素的敏感程度由高到低次为（）。
B.
【单选题】设有图书管理数据库： 图书(总编号C(6)，分类号C(8)，书名C(16)，作者C(6)，出版单位C(20)，单价N(6,2)) 读者(借书证号C(4)，单位C(8)，姓名C(6)，性别C(2)，职称C(6)，地址C(20)) 借阅(借书证号C(4)，总编号C(6)，借书日期D(8)) 对于图书管理数据库，检索电子工业出版社的所有图书的书名和单价，检索结果按单价降序排列，下面SQL语句正确的是__...
A.
GROUP BY 单价 DESC
B.
ORDER BY 单价 DESC
C.
ORDER BY 单价 ASC
D.
GROUP 单价 ASC