在法律上或经济上，对经营者的自由经营权进行限定的权利是（）
A.市场对策权
B.消费者权
C.经济自由权
D.经济博弈权
参考答案：B
正常胎心率1分钟内波动的次数：
A．≥5次
B．≥4次
C．≥3次
D．＞6次
E．≥7次
It took _____ building supplies to construct these energy-saving houses. It took brains, too. [ ]
A. other than
B. more than
C. rather than
D. less than
