问题
单项选择题
OSPF协议以()报文来封装自己的协议报文,协议号是89。
A、IP报文
B、IPX报文
C、TCP报文
D、UDP报文
答案
参考答案:A
OSPF协议以()报文来封装自己的协议报文,协议号是89。
A、IP报文
B、IPX报文
C、TCP报文
D、UDP报文
参考答案:A
完形填空。 |
Last Sunday morning, Yang Ling, Helen and I ① to a supermarket to ② shopping. Suddenly I ③ a thin man beside a woman. He ④ her purse ⑤ her bag and then ran out ⑥ the supermarket. I ⑦ Yang Ling and Helen to ⑧ ll0. I ran after the man and shouted. "Stop thief! Stop thief!" The thief ⑨ me and ran faster. Some people helped me to run after the thief. At that time, a police wagon (警车) came and ⑩ the thief. "Great, Liu Tao !" A police officer said to me. |
( )①A. go ( )②A. do ( )③A. see ( )④A. stole ( )⑤A. to ( )⑥A. of ( )⑦A. tell ( )⑧A. call ( )⑨A. hear ( )⑩A. catch | B. are going B. did B. saw B. is stealing B. with B. from B. telled B. calling B. heared B. caught | C. goes C. does C. seeing C. steals C. from C. to C. told C. calls C. heard C. catches | D. went D. doing D. sees D. steal D. to D. at D. telling D. called D. hearing D. to catch |