IP地址10001~10255255254是属于（）的私有IP地址。 A.A类 B.
题型：单项选择题
问题：
IP地址10001~10255255254是属于（）的私有IP地址。
A.A类
B.B类
C.C类
D.D类
题型：单项选择题
.
第二节（共5小题；每小题1分，满分5分）
根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。选项中有两项多余选项。（请将答案涂在答题卡的81-85上）
M：Excuse me．_____61__
W：I’m sorry．Have you seen the sign on the wall, “No smoking”?
M：Oh, sorry．Where can I smoke on this floor, please?
W：I’m afraid it’s not allowed in the whole building．
M：Oh dear! ______62___
W：Sure．Help yourself, over there．
M：Thank you very much．
W：Don’t you know smoking is not good for your health, young man?
M：___63__ I tried many times to give it up, but I failed．____64__
W：Yes, it’s hard to stop! But if you have the nonsmokers’ health and well-being in mind, you
might succeed．
M：You’re right! Thanks very much．I’ll try again to kick my smoking habit．
W：That’s OK．Well, if you’re feeling bad now, you can smoke outside, in the open air, of course．
M：Oh, no! ____65__
W：That’s great!
A．When I go without it, I feel very bad．
B．I wonder if I could have a glass of water．
C．When I smoke, I feel good．
D．Would you mind if I smoked here?E．No, I don’t．
F．Yes, I do．
G．I’ll start from now on!