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问题 选择题

小红观察在不同酸碱度下紫甘蓝（见下图）汁液所显示的颜色，记录如下。

下列物质中，能使紫甘蓝汁液变黄的是[ ]

A. 水

B. 食盐溶液

C. 硫酸溶液

D. 氢氧化钠溶液

答案

答案：D

完形填空

Mr.Black didn’t write carefully. His handwriting was hard to read. Last autumn he went to a city on business and would stay there for a long time. A month later it got colder than before. He needed his coat very much. But he didn’t bring it with him. So he wrote to his wife and asked her to post it to him.

A few days went by, Mr.Black didn’t get the coat from his wife. He felt worried and had to telephone to her,“Haven’t you got my letter yet?”“Yes.”answered Mrs.Black. “ButI don’t know what you wrote in it. You’d better come back and read it to me.” From the passage we know Mr.Black wrote小题1:___.It brought him some 小题2:__in his life.He wrote to his wife to tell her to小题3:____his coat to him, But his wife couldn’t know小题4:___he wrote and waited him to小题5:___and read it to her.
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问答题

试题五：(20分) 　　某工程采用工程量清单招标，确定某承包商中标。甲乙双方签订的承包合同包括的分部分项工程量清单工程量和投标综合单价见表5.1。工程合同工期12个月，措施费84万元，其他项目费100万元，规费费率为分部分项工程费、措施费、其他项目费之和的4%，税金率为3.35%。有关工程付款的条款如下： 　　1、工程预付款为合同价的20%，在合同签订后15日内一次支付，措施费在6个月的工程进度款中均匀支付。 　　2、工程进度款每三个月结算一次。 　　3、在各次工程款中按5%的比例扣留工程质量保修金。 　　施工期间第4～6月分项工程结算价格综合调整系数为1.1。

　　经监理工程师批准的进度计划，如图5.1所示(各分项工程各月计划进度和实际进度均为匀速进展)。

　　第6个月末检查工程进度时，B工作完成计划进度的1/2，C工作刚好完成，D工作完成计划进度的1/3。 　　问题：　(计算结果均保留两位小数)

计算各分项工程的分部分项工程费、每月完成的分部分项工程费，把计算结果填入纸表5.1中，并列式计算工程预付款。
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