单项选择题
A．man possesses far more senses than the five major ones B．man possesses a few more senses than animals C．man possesses as many senses as animals D．man has fully utilized his senses
A．skins that are quick to feel and respond B．skins that are delicate C．skins that are completely dry D．skins that are sticky or slippery
A．All senses have their limitations. B．Insects are more sensitive to colours than man. C．Man has not fully utilized all his senses. D．Man is not as good as animals in learning about the environment.