大修后脱硫系统启动前,脱硫系统连锁保护装置因为检修已经调好,运行人员可不再进行校验。()
参考答案:错
Jane got sick last January and ____ in bed ever since. [ ]
A. was
B. had been
C. has been
D. would be
初产妇,35岁,因重度胎盘早剥行剖宫产术,术中见子宫表面有紫蓝色瘀斑,子宫出血量较多。本例如妊娠33周再次出现无痛性 * * 出血,出血量不多。宫底脐上四指,右骶前位,胎心138次/分。处理应()
A.立即行剖宫产术
B.牵引胎足压迫止血
C.缩宫素静脉滴注引产
D.行人工破膜
E.住院绝对卧床,应用宫缩抑制剂