导致儿童急性感染后肾小球肾炎的最常见病原是()
A.伤寒杆菌
B.EBV
C.A组B溶血性链球菌
D.CMV
E.表皮葡萄球菌
参考答案:C
—Li Lei, you’d better to bed early.
—Oh, l’ll go to bed as soon as I my homework.
A. go; will finish B. go; finish C. to go; will finish
在一个长8分米,宽6分米的长方形纸内剪下一个最大的圆,这个圆的面积是( )平方分米.
A.50.24
B.18.84
C.28.26
D.D、