根据短文内容和首字母提示完成所缺单词。

A man had two water pots. One of the pots had a crack(裂缝) in it while the o  小题1:   was all right.

Everyday, the man took the pots to the r  小题2:   to get some water back home. W  小题3:   he arrived home, the good pot was f  小题4:   of water while the cracked one was only half full.

The good pot was proud of himself. B  小题5:   the cracked pot was very sad. He spoke to the man, “I am sorry. I always lose water on the w  小题6:   back to your house.” The man said to the pot, “Don't be s  小题7: . Can you see that there're many flowers on your side of the path, but n  小题8:   on the other side? That's because I know you have a crack, and I planted flower seeds on your s  小题9:   of the path in spring. Every day while we are on the way back, you water them. I can u  小题10:  these beautiful flowers to make my house beautiful. Without you, I could not have enjoyed such beauty.”

下列哪一项不是传导阻滞常见的原因（）

A.冠心病

B.心导管检查

C.先天性心脏病

D.风湿性瓣膜病

E.心肌炎与心肌病