下列（）不是变压器温升试验时施加负载的方法。
A.短路法
B.负载法
C.零序电流法
D.并联法
参考答案：D
—I heard that your daughter had been admitted by a famous university.
—But they charge so high tuition.I can’t _________such a large sum.
A．afford
B．offer
C．take
D．spare
给水系统中的设计秒流量
