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【单选题】
( 3 )具有 n 个顶点的有向图最多有( )条边。A.
n
B.
n(n -1)
C.
n(n+1)
D.
n 2
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举一反三
【单选题】How to deal with stage fright in public speaking?
A.
Think positively.
B.
Know that most nervousness is invisible.
C.
Don't expect perfection.
D.
All of the above.
【多选题】当将路由器接口配置为 VLAN 中继端口时,必须遵循哪三点要素? (选择三项。)
A.
每个 VLAN 对应一个子接口
B.
每个子接口对应一个物理接口
C.
每个子接口对应一个 IP 网络或子网
D.
每个 VLAN 对应一条中继链路
E.
每个子接口对应一个管理域
F.
每个子接口对应一种兼容的中继协议封装
【多选题】当将路由器接口配置为 VLAN 中继端口时,必须遵循哪三点要素?
A.
每个 VLAN 对应一个子接口
B.
每个子接口对应一个物理接口
C.
每个子接口对应一个 IP 网络或子网
D.
每个子接口对应一种兼容的中继协议封装
【简答题】_________ (tremble) with fright, the hungry fox hid himself in a small cave, _________ (expose) his tail to the rain.
【单选题】One boy, aged about 11, looks ______ with fright.
A.
frozen
B.
freeze
C.
froze
D.
freezing
【单选题】You got red with anger, green with envy, andwhite with fright. If you’re unhappy you’re blue, and if you’re a coward ( 胆小鬼 ), you’re yellow.Whatever your feelings are you can find a color to describe ...
A.
you arered
B.
you are yellow
C.
you are black
D.
you are green
【多选题】当将路由器接口配置为 VLAN 中继端口时,必须遵循哪三点要素? (选择三项)
A.
每个 VLAN 对应一个子接口
B.
每个子接口对应一个 IP 网络或子网
C.
每个 VLAN 对应一条中继链路
D.
每个子接口对应一种兼容的中继协议封装
【单选题】________with fright, a hungry fox hid himself in a small cave, ________his tail to the rain.
A.
Trembling; exposing
B.
Trembled; exposed
C.
Trembled; exposing
D.
Trembling; exposed
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