该病例最可能的诊断()
A．高血压病
B．肥厚型心肌病
C．主动脉瓣狭窄
D．肌型主动脉瓣瓣下狭窄
E．限制性心肌病
参考答案：B
We had a really bad time about six months ago but now things are ________．[ ]
A．looking up
B．coming up
C．making up
D．turning up
研究发现，（）岁是掌握数概念的最佳年龄。
A.2-3
B.4-6
C.5.5
D.5-6
