下列对动物类群特征的描述中,错误的是( )
A:腔肠动物﹣有口无肛门,身体呈辐射对称
B:环节动物﹣身体分节,体表有角质层
C:软体动物﹣身体柔软,表面有外套膜
D:节肢动物﹣身体和附肢分节,体表有外骨骼
—I want to go out for a dinner. Is there a _________ near here? —Yes, there is one across from the post office.
反比例函数的图象经过点P(﹣1,2),则此反比例函数的解析式为____.