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【单选题】
影响人口老龄化的因素是以下哪一项?( )A.
人口老龄化只与死亡率有关
B.
人口老龄化与出生率无关
C.
人口老龄化与死亡率和出生率都有关
D.
人口老龄化与老年人在总人口中的绝对数有关
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举一反三
【单选题】观察药物对某种细菌生长抑制的结果如下,单位μg/ml: 0 (+), 2 (+), 4 (+), 8 (+), 16 (-), 32 (-), 64 (-), 128 (-) 。 这种药物的MIC是( ) μg/ml 。
A.
16
B.
32
C.
64
D.
8
【单选题】观察药物对某种细菌生长抑制的结果,单位μg/ml:0 (+), 2 (+), 4 (+), 8 (+), 16 (-), 32 (-), 64 (-), 128 (-) 。这种药物的MIC是() μg/ml 。
A.
16
B.
32
C.
64
D.
128
【单选题】[单-内科护理学] 患者70岁,患高血压6年。晨起口齿不清,口角歪斜,左侧肢体活动障碍4天。为明确诊断,应做的检查是
A.
脑电图检查
B.
脑血管造影
C.
头部CT扫描
D.
腰穿脑脊液检查
E.
脑超声波检查
【判断题】观察药物对某种细菌生长抑制的结果:0 μg/ml (+), 2 μg/ml (+), 4 μg/ml (+), 8 μg/ml (+), 16 μg/ml (-), 32 μg/ml (-), 64 μg/ml (-), 128 μg/ml (-) 。这种药物的MBC是16 μg/ml 。
A.
正确
B.
错误
【单选题】The researchers have just completed a study of driving situations.
A.
started
B.
finished
C.
changed
D.
made
【单选题】Why did the subjects in the study have to be married?
A.
Because the researchers wanted to find out the effects blood pressure had on marriage
B.
Because the researchers wanted to find out the effects of marriage on heart walls.
C.
Because the researchers wanted to find out the effects marriage had on blood pressure
D.
Because the researchers wanted to find out the effects heart walls had on marriage.
【单选题】According to the researchers, what is wrong with public art at the moment?
A.
It is in old-fashioned styles.
B.
It irritates the public.
C.
It does not stand out enough.
D.
It does not make travelers relaxed.
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