不孕患者月经正常,输卵管通畅,应选的检查是( )
A.宫腔镜检查B.卵巢功能检查C.输卵管通畅试验D.腹腔镜检查E.穿透力试验
参考答案:E
正常钻进过程中钻井泵的出口压力一般为()
A、1.0~1.2MPA
B、15~25MPA
C、100~200MPA
D、200~400MPA
John was________to learn the news that he was rejected by the committee. [ ]
A. cast down
B. cast off
C. cast about
D. cast away