单项选择题

A．Bone structure.
B．Smell ability.
C．Birth mode.
D．Recover ability against disease.
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单项选择题
A．By forcing them farming.B．By affecting the quality of soils.C．By adding chemicals and pollute the waterways.D．By affecting the environments they live in.
A．By forcing them farming.
B．By affecting the quality of soils.
C．By adding chemicals and pollute the waterways.
D．By affecting the environments they live in.
单项选择题
A．’5.45B．’1.00C．’0.95D．’2.05
A．’5.45
B．’1.00
C．’0.95
D．’2.05
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