阅读短文，根据短文内容和已给出的首字母，在空白处填入适当的单词。

Tom is a student of Hongqi Middle school. He u______小题1:to be interested in comics about insects. He often borrowed some because he couldn’t a_______小题2:to buy too many comics. Every day he wasted most of his time on these comics and was not patient with h _______小题3:in his study.

One day Tom caught an insect at school and c_______小题4:lots of trouble. To his s_______小题5:, the insect died half an hour later. That night, Tom had a bad dream. He was so t________小题6: of it. Then he went to sleep with his bedroom light o________小题7:.

Tom knew it was the insect’s d_______小题8: that terrified him. Also, Tom found it was necessary for him to p______小题9: attention to his daily studies. Only in this way could he forget that insect. In the e______小题10:, Tom made a decision to change himself.

Now Tom has become one of the best students in his class.

背景：

某桥梁工程的施工中，施工单位为保证测量工作的质量，提高测量工作效率，制定了以下测量管理制度：

1.严格执行测量复核签认制度。

(1)由2~3人组成一个小组共同对监理工程师签认的控制网点测量资料进行核对，核对结果要由工地技术主管审核签认后方可使用;

(2)控制测量、定位测量和重要的放样测量，必须坚持采用两种不同的方法进行复核测量;

(3)测量结束后，由负责测量工作的技术员召集各位测量员共同对测量成果进行复核。

2.测量记录与资料要分类整理、妥善保管，作为竣工文件的组成部分归档。具体要求包括：

(1)项目交接桩资料，监理工程师提供的有关测量控制网点，放样数据变更文件;

(2)项目及各工点、各工序测量原始记录，观测方案布置图、放样数据计算书;

(3)……

(4)……

3.测量仪器工具的使用和保管。

4.在进行桥台后背回填时，承包商发现图纸与合同文件中技术规范要求不一致，合同文件采用国内招标文件范本，技术规范要求回填为宽度不小于50cm，塑性指数不大于12的土方，而图纸中规定回填为宽度不小于2m的天然砂砾，承包商认为，投标报价是按技术规范进行的，按技术规范施工符合合同要求，而业主认为按设计图纸施工更有利于保证工程质量，书面明确要求监理工程师指示承包商必须按设计图进行施工。

问题：

1.逐条说明上述测量复核签认制度中有哪些不当之处，写出正确的作法。

2.完善测量记录与资料的分类、保管、归档的要求。

3.公路工程常用的测量仪器主要有哪些?测量工具主要有哪些?(分别说出两种即可)

4.承包商是否有权拒绝业主的这一要求?为什么?

5.针对业主的此项要求，承包商应该采取怎样的处理方式来维护自身利益?