女,27岁,G1P0,孕38周,不规则腹痛2天,血压正常,头先露,胎心音在脐下154次/分,胎背在母体左侧扪及,宫缩20秒,间隔10分钟,阴道检查宫颈未消失,宫口开大1cm,胎心监护示NST不满意。下列哪项诊断不恰当()
A. 宫内足月妊娠
B. 枕左前位
C. 足月活胎
D. 临产
E. 先兆临产
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根据材料,回答题: In Britain, people have different attitudes to the police. Most people generally ______26______themand the job they do-although there are certain people who do not believe that the police______ 27______have the power that do. What does a policeman actually do? It is not______28______job to describe. After all, a policeman hasa number of jobs in ______ 29______ . In Britain, he might be in the Traffic Police and ______ 30 ______most of histime______ 31 ______up and down main roads and motorways. A traffic policeman has to keep the traffic ______32______and help when there is an accident. A policeman has to help keep the ______ 33______ , too. If there is a fight or some other disturbance,we ______ 34 ______the police to come and restore order. And they often have to ______ 35 ______situation at greatrisk to their own ______ 36______. We expect the police to solve crimes, of course, so an ordinary policeman,______ 37 ______ he is not a detective, will often have to help ______ 38 ______and arrest criminals.And ______ 39 ______ do we call when there is an emergency-an air crash, a ______ 40 ______ , a road accident,or a robbery? We call the police.41a policeman has to be42to face any unpleasant e-mergency that may happen in the ______ 43 ______world. The police do an absolutely necessary job, they do it ______ 44 ______ well and I support them, but I do not envy policemen, I do not think that I could ______ 45 ______do the job of a policeman.
A. dislike
B. join
C. appreciate
D. admire
某厂#1机组(600MW)于2007年3月15日12:37因计划降低出力32MW,持续1小时;#2机组(1000MW)于2007年3月15日12:37因非计划降低出力限负荷64MW,持续0.5小时,其余时间全出力运行。该厂2007年3月等效降低出力时间是()小时。
A. 0
B. 0.053
C. 0.085
D. 0.027
维拉帕米的药理作用是()
A. 促进Ca2+内流
B. 增加心肌收缩力
C. 直接抑制Na+内流
D. 降低窦房结和房室结的自律性
E. 升高血压