关于确诊SLE和判断其活动性参考价值最大的抗体为
A．抗核杭体
B．抗dsDNA抗体
C．抗Sm抗体
D．抗RNP抗体
E．抗Ro抗体
参考答案：B
The children, _____ had played the whole day long, were worn out.
A．all of what
B．all of them
C．all of whom
D．all of which
根据《屋面工程技术规范》要求，沥青瓦屋面与立墙或伸出屋面的烟囱、管道的交接处应做泛水，其周边与立面（）mm范围内应铺设附加层。
A.200
B.250
C.300
D.350
