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【单选题】
IEEE802.1Q协议是如何给以太网帧打上VLAN标签的?( )A.
在以太网帧的前面插入4字符的Tag
B.
在以太网帧的尾部插入4字符的Tag
C.
在以太网帧的源地址和长度/类型字段之间插入4字节的Tag
D.
在以太网帧的外部加入802.1Q封装
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【单选题】I think students should _____ to have at least one hour a day for sports. That's good for their health. [ ]
A.
allow
B.
not allow
C.
be allowed
D.
not be allowed
【单选题】I __________ / wi? / I could fly to the moon some day.
A.
with
B.
wish
C.
wash
D.
wait
【简答题】One day, when I was in high school, I saw a kid named Kyle from my class walking home from school with all his books, I thought to myself, “__21___ would anyone bring home all his books for the weeken...
【简答题】One day, when I was in high school, I saw a kid named Kyle from my class walking home from school with all his books, I thought to myself, “ __1___ would anyone bring home all his books for the weeken...
【单选题】I’d like to think decades from now, a young Chinese person ______ inspired by Expo 2010 to one day visit where I grew up, just as I’ve finally gotten to experience China in person.
A.
will have
B.
has had
C.
has been
D.
will be
【单选题】I wish I could go to Mars one day .
A.
a few days.
B.
that day.
C.
in one day.
D.
some day.
【单选题】I wish I (can) (fly to) the moon (by) spaceship (one day).
A.
can
B.
fly to
C.
by
D.
one day
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