幼儿脑细胞的耗氧量很大，脑细胞的耗氧量约为全身耗氧量的40％。
A、正确
B、错误

A．the capacity for water sucking of formation is improved and water sucking index increases
B．the capacity for water sucking of formation is weakened and water sucking index decreases
C．the capacity for water sucking of formation and water sucking index remain the same as before
D．the capacity for water sucking of formation is improved and water sucking index decreases