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【单选题】
二尖瓣型心的基本特征是A.
右心室增大
B.
肺动脉段膨隆
C.
主动脉结突出
D.
右心房增大
E.
心尖向延伸
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反馈参考答案：
举一反三
【简答题】对外界抵抗力最强的是
【简答题】对外界抵抗力最强的是 查看材料
【单选题】SECTION 2 (10 points) Listen to the following short statements and then choose one of the answers that best fits the meaning of each statement. There are 10 questions in this section, 1 points for eac...
A.
He learned a lot of experience from observing the street life.
B.
He learned how to take precautions against the criminals.
C.
He learned to be smart by the life in New York.
D.
He was confident as he walked through Times Square to his office every day.
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