第19题: [单项选择]黄土汤中配伍黄芩是 A. 反佐 B. 反治 C. 两者均是 D. 两者均非 参考答案:D
第20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