第28题: [单项选择]The water level of an ocean rises ______. A. when the moon is directly over the water B. when the moon disappears over the horizon C. when there is no tide D. when there is a low tide 参考答案:A 答案解析:本题测试推理能力。答案来自When the moon is directly overhead. it actually pulls on the water that is below it.Thi