Which of the following are true of Ethernet technology?
A. Hosts use a logical ring topology.
B. Hosts use a logical bus topology
C. Hosts must wait for an electronic signal to transfer data.
D. Hosts are directly connected to a wiring concentrator called a MSAU.
E. None of the above
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检查结果:类风湿因子弱阳性,血沉120mm/h,IgG19g/L,抗核抗体阳性,C3及 CH50降低,抗双链DNA抗体增高。本例首选药物
A. 非甾体抗炎药+慢作用抗风湿药
B. 糖皮质激素
C. 环磷酰胺
D. 羟基氯喹
盖板涵及箱涵台背填土必须在支撑梁(或涵底铺砌)及盖板安装且砂浆强度达到()以后方可进行。
A. 0.7
B. 0.8
C. 0.9
D. 1
采用成本逼近法进行地价评估,其中的土地取得费是指因土地所有权由农民集体所有转为国家所有而发生的变化。
A. 正确
B. 错误