单项选择题

It can be inferred that the toy industry ______.

A．must have gained abundant profit
B．plays a vital role in promoting the early-year education
C．has sponsored the neuroscience research
D．has stimulated children's desire for toys

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单项选择题

In 1994,the Carnegie Corporation released a report to ______.

A．advocate the importance of the early-year education
B．develop the education market for parents and children
C．emphasize parent's wise investment on children
D．explain in detail the science on networks of nerves

单项选择题

According to Rob Reiner, the year from zero to three is ______.

A．a critical stage to develop human nerves
B．extremely important for a person's development
C．studied carefully for government to make policies
D．worth more efforts in education than that in later years