【单选题】下列哪种疾病不会表现为心尖区第一心音亢进: A、二尖瓣狭窄 B、心肌炎 C、贫血 D、甲状腺功能亢进 E、高热
【简答题】标杆控制存在最大的两个缺陷是 ___________ 和 ___________。
【单选题】Frank _________work to do. [ ]
【单选题】A lot of people have tried, but _______ have succeeded.
【简答题】—We have a lot of rules at my house. —________.