单项选择题

每只彩笔8元，24元能买（）支

A.5支
B．3支
C．7支

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Which of the following lists of trophic levels is in the correct order?

A、Producer, secondary consumer, herbivore
B、Producer, herbivore, secondary consumer
C、Secondary consumer, Producer, detritivores
D、Herbivore, carnivore, producer

单项选择题

想要看到该订单前期的活动规则，怎么查最方便（）

A.订单详情
B．交易快照
C．前期活动节奏