( )不是创建基线或发行基线的主要步骤。
A.获得CCB的授权
B.确定基线配置项
C.形成文件
D.建立配置管理系统
参考答案:D
解析:
某乐器上一根弦AB=90cm,两端点A、B固定在乐器板面上,其间支撑点C是AB的黄金分割点(AC>BC),则AC的长是______.(结果精确到0.1cm)
Now the city is ______ it used to be.
A.three time larger as
B.three times as large as
C.larger as three times as
D.as three times larger than