Which tract lie in the posterior funiculus of the spinal cord（）
A. the anterior corticospinal tract
B. the lateral corticospinal tract
C. the rubrospinal tract
D. the anterior spinocerebellar tract
E. the fasciculus cuneatus
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Which one is correct about the description of neuron（）
A. It includes nerve cell and neuroglial cell
B. It can be divided into unipolar neuron and multipolar neuron
C. It possesses a cell body and two types of processes
D. It is only located in the peripheral nervous system
E. It only has function of conduction
__ refer to products with low growth rate and small market share（）
A. Stars
B. Cash cows
C. Dogs
D. Question marks or Problem Children
网络效应存在的原因是（）
A. 信息的特性不同于一般的物质产品，信息可以被无损耗的消费
B. 信息的消费过程往往同时就是信息的生产过程，它所包含的知识或感受在消费者那里催生出更多的知识和感受，消费它的人越多，它所包含的资源总量就越大
C. 互联网经济具有边际成本递减的特征，即使用互联网的用户越多，边际用户承担的成本越低，这导致全体用户承担的平均成本也越来越低
D. 信息不具备排他性，信息可在生产中重复使用
E. 网络之间的竞争存在“赢者通吃”（winner takes all）的现象
What are the right descriptions about life-long learning（）
A form of self-initiated education which is focused on personal development
B. It means study all your life
C. Being voluntary with the purpose of achieving personal fulfillment
D. Learning through formal education, such as at school or training center
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