供电营业所按（）以上的比例对当年新装（增容）的居民客户表计安装质量进行验收。
A.5%
B.10%
C.20%
D.50%
参考答案：B
额叶病变可以引起（）
A.对侧肢体运动和感觉障碍
B.共济失调
C.记忆力障碍和精神改变
D.耳鸣和幻听
E.视幻觉
Jerry was very excited to see the playground ________ she used to play football ________ with lots of snow.
A．where; covered
B．which; covered
C．/; covering
D．where; covering
