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【单选题】
指民族药，如中药、蒙药、藏药等的是( )。A.
现代药
B.
传统药
C.
处方药
D.
国家基本药物
E.
基本医疗保险用药
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举一反三
【单选题】He must have had an accident, or he ( ) then.
A.
would have been here
B.
had to be here
C.
should he here
D.
would he here
【多选题】景区要有必要的安全设施及制度，切实保障游客安全。主要包括（ ）
A.
场所的安全保障
B.
设施设备的安全保障
C.
有针对景区工作人员的安全保障制度
D.
有针对旅游者的安全保障制度
E.
经过景区安全风险评估
【单选题】He must have had an accident , or he here for class then .
A.
had to be
B.
should be
C.
would be
D.
would have been
【简答题】RC 积分电路由 RC 串联组成,从 ( ) 上输出电压;电路时间常数远 ( ) 于脉冲宽度 。
【单选题】He must have had an accident，or he ______ then．
A.
would have been here
B.
should be here
C.
had to be here
D.
would be here
【单选题】He must have had an accident, or he now.
A.
would have been here
B.
had to be here
C.
should be here
D.
would be here
【简答题】大腿、膝部保健易筋术之坐姿屈膝肌拉伸的动作要领?
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