既用紫外-可见分光光度法又用高效液相色谱法进行含量测定的中药材是
A．甘草
B．人参
C．紫草
D．木香
E．葛根
参考答案：C
钢梁腻缝腻补要密实、平整无漏腻、无脱落，干燥后不裂、不缩且无积水、渗水现象。
A project management team has subcontracted work to a service company．Which of the following tools is the best choice to assure that this company will be able to meet the quality requirements of the project ？（）
A．Quality audi
B．Deliverable inspectio
C．Fixed price contrac
D．Service level agreemen
