Both bus and tree topologies are characterized by the use of

【名词&注释】

缺铁性贫血(iron deficiency anemia)、血常规(blood routine)、铁观音

[单选题]Both bus and tree topologies are characterized by the use of multipoint (1).For the bus, all stations attach, through appropriate hardware (2) known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the(3). A transmission from any station propagates the length of the medium in both directions and can be received by all other (4). At each end of the bus is a (5) , which absorbs any signal, removing it from the bus.

A. C

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[单选题]一级铁观音的品质又分为（）。

A. 71-80
B. 81-90
C. 91-100
D. 101以上

[单选题]男，4岁。长期偏食。近一个月面色渐苍白，自诉全身无力。查体：肝肋下4cm，脾肋下1cm。血常规：Hb70g/L，RBC3.0×1012/L，Ret2.0%，WBC、PLT均正常，MCV74fl，MCH26pg，MCHC30%。考虑为缺铁性贫血。

A. D

[单选题]湿温病湿热酿痰，蒙闭心包，治当（）.

A. 清热化湿，豁痰开蔽
B. 芳香化浊，清心开窍
C. 轻清芳化，涤除湿邪
D. 清化湿热，解毒利咽

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