【单选题】在铁的催化作用下苯与液溴反应 , 使溴的颜色逐渐变浅直至无色属于( )
【单选题】The price of drugs is high mainly because______.
A.
the cost of manufacture is high
B.
creation costs a lot in production
C.
drug firms want to make more money
D.
pharmaceutical companies ignore the pain of the poor
【单选题】A great difference between men and women is that ______.
A.
women have two chromosomes but men have only one
B.
women have two cell lines but men have only one
C.
women can choose from two chromosomes but men cannot
D.
women can choose from two cells but men cannot
【判断题】当机床出现超行程报警时,按下复位按钮“RESET”即可使超程报警解除。
【单选题】患者,女性,岁,阑尾炎术后第 5 天,体温 36.8°C,刀口无渗血渗液。当日上午 9时许,继续静脉点滴青霉素,30 分钟后,患者突然寒战,继之高热,体温 40°C,并伴有头痛,恶心,呕吐,以下有关说法不正确的是( )
B.
上述反应产生的主要原因可能是输入致热物质引起
C.
输液前认真检查药液质量,输液器包装及灭菌日期、有效期,严格无菌技术操作
D.
反应轻者,可减慢点滴速度或停止输液,通知医生,同时注意体温的变化
E.
反应严重者,可减慢点滴速度或停止输液,并保留剩余溶液和输液器进行检测,查找反应原因
【简答题】在铁的催化作用下,苯与液溴反应,使溴的颜色逐渐变浅,属于( )反应。
【单选题】Which of the following is NOT true, according to the passage?
A.
Mr. Saint Laurent's creations of fashion design were mostly intuitive.
B.
Mr. Saint Laurent was among the first to set up shop under his own name.
C.
Many of Mr. Saint Laurent's dress designs did not stay popular for long.
D.
Mr. Saint Lament valued the concept of beauty and elegance in fashion.
【单选题】患者,女性,27岁,阑尾炎术后第5天,体温36.8°C,刀口无渗血渗液。当日上午时许,继续静脉点滴青霉素,30分钟后,患者突然寒战,继之高热,体温40°C,并伴有头痛,恶心,呕吐,以下有关说法不正确的是( )
B.
上述反应产生的主要原因可能是输入致热物质引起
C.
输液前认真检查药液质量,输液器包装及灭菌日期、有效期,严格无菌技术操作
D.
反应轻者,可减慢点滴速度或停止输液,通知医生,同时注意体温的变化
E.
反应严重者,可减慢点滴速度或停止输液,并保留剩余溶液和输液器进行检测,查找反应原因