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问题 单项选择题

虽然在沥青中加入增韧剂可以提高沥青的韧性，但是加多了会降低沥青的软化点，所以一般不宜超过（）体积分数。

A.5%

B.10%

C.15%

D.20%

答案

参考答案：A

单项选择题

An Enterprise Resource Planning (ERP) is built upon a commercial (71) that promises the seamless (72) of all the information flowing through the company -- financial, accounting, human resources, supply chain and customer information. In implementation, all ERP systems include several features. The system is installed on a typical database management system. It requires initial setup according to the organization’s process, but it may be (73) according to the organization’s unique process requirements through a tool set contained within the ERP applications. Using ERP, (74) can be prescribed to automate approval processes through established chains of commanD. One of the methods used to effect rapid implementation of the ERP system is to conduct concurrent (75) sessions during the early stages of ERP implementation.

（75）处填（）。

A．JRP

B．BPR

C．RAD

D．JAD
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填空题

Le Fort手术即________术。
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