以下哪项不属于自身抗体
A．类风湿因子
B．C反应蛋白
C．抗核抗体
D．抗中性粒细胞抗体
E．抗磷脂抗体
参考答案：B
240÷60的商是4，写在被除数的个位上面．______（判断对错）
Packet-switching wireless networks are preferable (1) when transmissions are (2) bemuse of the way charges are (3) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (4) for the (5) of time they use the network.
3（）
A．computing
B．incurious
C．incurved
D．incurred
