They diminished all time barriers and moral judgements to combine disconnected dream experiences.
They tried to express their subconscious world.
They could transform real existence into incoherent dreams.
They wanted to substitute direct expressions for fragmented images.
第1题：
In the following statements about graph operations，which one is NOT correct?
A．Finding critical path is an operation on directed graph
B．Finding critical path is an operation on undirected graph
C．Spanning tree of a graph may not be unique
D．Minimum spanning tree of a graph may not be unique
第2题：
A. Learning
B. Spanning
C. Listening
D. Forwarding
E. Initializing
F. Filtering
G. Permitting
第3题：
Which of the following is not an AVL tree?
A．
B．
C．
D．
第4题：
Which two statements about spanning tree path cost are true？（）
第5题：
第6题：
A. Mesh
B. Token ring
C. Star
D. Spanning tree
第7题：
Which of the following usually causes a tree to grow unhealthy?
A. Giving a tree a special shape and a definite height.
B. Removing small side branches and making a tree look less thick.
C. Allowing too many branches to grow in the middle.
D. Having a tree surrounded by many other trees.
42．答案为C 根据第二段A tree may grow healthier by removing the branches that are locking up the centre可知树中间的枝杈不利于树木生长，C与文章内容相反，因此错误。
第8题：
About the following IP addresses , Which is incorrect ?
A．201.199.255.11
B．201.198.132.1
C．201.199.128.6
D．201.198.134.257
第9题：
Which of the following are spanning tree port states?（）
第10题：
Which of the following troubleshooting targets is considered to be a Layer 2 issue？（Choose allthat apply.）（）