出血时间延长通常见于下列哪种疾病（）
A.血友病甲
B.血友病乙
C.因子Ⅺ缺乏症
D.血小板减少性紫癜
E.过敏性紫癜
参考答案：D
听诊时区别第一心音与第二心音很重要，下列哪项支持前者
A．音调较高
B．强度较低
C．历时较短
D．心尖部听诊最清楚
E．心尖冲动后出现
Leeanne Carlson wanted $ 20 million for his large house with two gardens, but he _______ $ 10 million.
A．settled for
B．settled down
C．settled on
D．settled in
