题目

It was the first time in Cindy's 12 years she had tried to make a cake, but it wasn't exactly a success. The cake was ---well, lumpy(粗笨的). And it tasted   1   , as if she had run out of sugar. Besides, the   2   was in a mess with all the fixings for cake out of place.      But Cindy wasn't thinking about the mess. She was   3   for her parents to return home so she could   4    her gift to them. She turned off the lights and waited   5   in the darkness. When at last she saw the   6   of the car headlights, she   7   herself in the kitchen doorways. When下列说法正确的是A．电解饱和食盐水时，溶液中的OH-向阴极移动B．需要加热才能发生的反应不一定是吸热反应C．短周期元素形成离子后，最外层都能达到8(或2)电子稳定结构D．金属单质Na、Mg、Fe在一定条件下与水反应都生成H2和相应的碱