根据首字母或汉语提示写出单词。

1. The man noticed two policemen coming t______ him.

2. There are several d______ for New York every day.

3. This is the first s______ for you to succeed.

4. She ______ (点头) to us as she walked by.

5. Horses were the only means of ______(交通方式).

经皮球囊二尖瓣成形术，以下说法哪项正确（）。

A.有左心房附壁血栓形成者是手术的绝对禁忌证

B.隔膜漏斗型二尖瓣狭窄是手术适应证

C.合并心内膜炎的病人也可进行手术治疗

D.合并轻度二尖瓣关闭不全者是手术禁忌证

E.合并其他严重瓣膜病变者禁忌手术