根据过电压保护规程的规定:对()的配电装置,可以将避雷针安装在变电所配电装置的构架上。
A.6kV
B.35kV
C.10kV
D.110kV及以上
参考答案:D
His disappearance(失踪)______ by the police.
A.looked at
B.will be looked in
C.is being looked into
D.has been looked up
为在平面广告中产生动态效果,设计者通常利用()来体现动感.
A.视错觉
B.新颖性
C.心理活动
D.色彩