以下哪种心脏病最不易出现心力衰竭()
A.房间隔缺损
B.室间隔缺损
C.动脉导管未闭
D.法洛四联症合并贫血
E.扩张型心肌病
参考答案:A
I believe _____ you have made efforts and ______ you are sure to achieve your goal.
A.that; /
B./; /
C./; that
D.whether; that
古人认为,石为骨、树为衣、水为脉、云为气。