电话来时,主动在铃响()接听电话。
A.一声内
B.二声内
C.三声内
参考答案:C
According to the rules, students ______ get grades not lower than 85% in any subject in order to get the scholarship.
A.will
B.shall
C.may
D.would
[问题4] 当增加了[问题3]所要求的中的设备后,发现此设备设置正确,且PC3与PC2是连通的,PCI与PC3也是连通的,经测试PCI与PC2物理连接正常,但PC1 ping不通PC2,请问是什么原因