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【单选题】
电力系统中衡量供电质量的重要指标是（）。A.
电压和电流
B.
电压和容量
C.
电流和频率
D.
电压和频率
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举一反三
【单选题】What is the feature of the country songs?
A.
Perform freely, many unprepared changes and heavy and strong rhythms.
B.
This music has its own melancholic charm.
C.
Their message is direct and immediate.
【简答题】What is the feature of the governor?
【多选题】what is the feature of VKH :
A.
Granulomatous autoimmune inflammation
B.
With the history of eyeball injury
C.
Mutton-fat KPs
D.
Sunset-glow fundus
E.
Dalen-Fuchs nodules
F.
Sensitive to the treatment of corticosteroid
【单选题】患者，男性，65岁。原有冠心病、心绞痛史10余年，诉阵发性黑矇发作3次来院就诊。心电图检查示窦性心律，心率79次／分，P-R间期0.28秒，Ⅰ导联QRS波呈qR型，Ⅱ及Ⅲ导联QRS波呈rS型，SⅢ>SⅡ。V 1 导联QRS波呈rSR’型，V 5 导联呈qRs型，S波增宽。QRS波时限0.19秒。当天下午，复查心电图又恢复住院时的表现，此时为进一步治疗提供最佳选择的检查是（）
A.
24小时动态心电图
B.
超声心动图
C.
冠脉造影
D.
核素心肌显像
E.
阿托品试验
【单选题】According to the speaker, what is the feature of air pollutants?
A.
Its contents often remain stable.
B.
Its definition will change over time.
C.
Air pollutants are natural.
D.
Air pollutants are man-mad
【单选题】What is the feature of Pepperdine?
A.
It has the most aggressive policies.
B.
It has the happiest students.
C.
It is a very expensive private school.
D.
It is located on the beach.
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