某地发洪水，因抢救灾需要紧急供电时，供电企业必须尽快安排供电，所需工程费用和应付电费，由（）承担
参考答案：受灾客户
读下图 “等高线地形图”，下列叙述正确的有（ ）
A．甲图反映的范围比乙图小
B．乙图反映的实际内容更详细
C．EF处的坡度比CD处大
D．EF间实际距离短于CD
--- Hey, what’s up? Water is everywhere. What can I do for you?
--- Oh, great. I ______ how to operate this damn new machine.
A．just wondered
B．was just wondering
C．had just wondered
D．have just wondered
