[ A] interchangeably [ B ] immediately [ C ] intermittently [ D ] intensively
英语考试
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正确答案:C
40.C 【精析】interchangeably可交换地;immediately立即;intermittently 间歇地;intensively强烈地。水力电站可以持续供电,而潮汐电站不同于水力电站,潮汐电站不能持续供电,只能间隙性供电,故选 C。
