标准法测定水泥标准稠度用水量时,在试杆停止沉入或释放试杆()时记录试杆距底板之间的距离。
A.15s
B.30s
C.45s
D.60s
参考答案:B
Her car broke down on her way to the park.________, she had to ask someone to repair it. [ ]
A. As a result
B. As a matter of fact
C. As usual
D. As a whole
知识产权如著作权,其财产权主要体现在所有人享有的( )。
A.独占权或者排他权
B.许可他人使用而获得报酬权
C.不许任何人使用
D.不能像有形财产那样买卖或抵押
E.可以进行买卖或抵押