为确保参加活动人群安全,一定要设置具有隔离模型飞行区和人员活动区的标志线也就是安全线。
参考答案:对
You are a project manager of a small construction project. Your project was budgeted for US $72,000 over a six week period. As of today, you’ve spent US $22,000 of your budget to complete work that you originality espected would cost US $24,000. According to your schedule, you should have spent US $30,000 by this point. Based on these circumstances, you project could be BEST described as ______ .
A) under budgetB) over budgetC) on budgetD) need more info
A.5Hz,10A
B.50Hz,10A
C.50Hz,10 A
D.5Hz,10 A