斜疝修补术后,预防阴囊血肿的措施是()
A.平卧位,膝下垫软枕
B.预防便秘尿潴留
C.切口处用沙袋压迫并托起阴囊
D.咳嗽时用手按压伤口
E.不宜过早下床活动
参考答案:C
-Are you familiar with the music?
-Yes. There was a time _____ this kind of music was quite popular.
A.that
B.when
C.with which
D.about which
在国家 * * 中,警察与监狱是最主要的支柱。( )