Parents may find it most difficult to read to their child when s/he
A. is 6- 7 months old
B. is one year old
C. starts to walk
D. starts to talk
The best time of the day to read stories to a child is
A. when the child is still active in the early evening
B. when the parents finish the day"s housework
C. when the child has chew toy to play with
D. when the child is quiet and peaceful
市场的变化、消费需求的变化、潜在价值的变化、质量因素、资产状况、售后服务等，都会使品牌贬值。这是指品牌具有()。
A. 象征性
B. 排他性
C. 价值性
D. 风险性
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