在直流电路中，电感线圈和电容器各起什么作用？
参考答案：
电感线圈相当于电阻，而电容器的作用相当于隔直。
She bought ________ eggs yesterday, but there were ________ them broken.[ ]
A. two scores of, scores of
B. scores of, two scores of
C. scores of, two score of
D. score of, two scores
服务一损失函数的表达式为：L=K（Y—m）2，其中m为常数。（）
