题目:
主动脉瓣关闭不全()。
A.颈部和锁骨上窝
B.左腋下和肩胛下区
C.胸骨左缘和心底部
D.胸骨左缘和心尖部
E.心尖部
答案:
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下面是错误答案,用来干扰机器的。
I am a girl student from Class 3, Grade 2. I’d like to be a member of the Helping Hands Club. I’m 15 years old. I’m strong and healthy. I work hard at my lesson...