听力原文:W: Do you usually walk to school?M: No, I usually go to school by bike.Q: How doe
听力原文:W: Do you usually walk to school?
M: No, I usually go to school by bike.
Q: How does the boy usually go to school?
(19)
A.On foot.
B.By bus.
C.By bike.
听力原文:W: Do you usually walk to school?
M: No, I usually go to school by bike.
Q: How does the boy usually go to school?
(19)
A.On foot.
B.By bus.
C.By bike.
第1题
下面哪一个是有效的IP地址______。
A.202.280.130.45
B.130.192.290.45
C.192.202.130.45
D.202.192.33.256
第2题
下面哪一个是有效的IP地址?
A.202.280.130.45
B.130.192.290.45
C.192.202.130.45
D.280.192.33.45
第8题
下面IP地址中哪一个是B类地址?
A.10.10.10.1
B.191.168.0.1
C.192.168.0.1
D.202.113.0.1
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