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【单选题】
在鱼类的体长和体重关系式中,生长的条件因子 a 的值偏小可能是因为( )A.
采集的样本是产卵前性成熟的样本
B.
该鱼种生活的水域水温比往年要低很多
C.
该鱼种生活的水域中饵料充足
D.
该鱼种正处于索饵育肥阶段
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【单选题】Where are the two speakers now?
A.
On the first floor.
B.
On the fourth floor.
C.
On the fifth floor.
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