( )是项目唯一的全过程的参与者,具有从项目全局与整体看待进度管理的视野,只有他们才能成为项目全过程进度管理的主导者。
A.业主
B.管理咨询方
C.设计方
D.施工方
参考答案:A
A community nurse visits a family living in a rural area where the drinking water is not fluoridated. Which of the following would the nurse suggest to the family as the most appropriate means for obtaining a significant amount of fluoride
A. Tea.B. Yogurt.C. Citrus juices.D. Natural cheeses.
螺旋线(a,b为正常数)上任一点处的切线()。
A.与x轴成定角
B.与x轴成定角
C.与yOz平面成定角
D.与zOx平面成定角