头先露胎儿窘迫的临床表现()
A.宫缩时胎心率减至110次/分
B.羊水呈棕黄色
C.胎动频繁
D.胎心率>168次/分
E.胎心率为110/分
参考答案:B, C, D, E
Having been trapped in the coal mine for seven days,the miners at last.[ ]
A.are rescued
B.were rescued
C.would be rescued
D.had been rescued
甲状腺未分化癌的治疗为()
A.甲状腺干制剂
B.外放射治疗
C.131I
D.手术
E.化疗