下列不属于相对性状的是( )
A:豌豆的圆粒和皱粒
B:兔的白毛和兔的粗毛
C:番茄的红果和黄果
D:鸡的玫瑰冠和单冠
与80°E经线相对的经线是( )
Bob has got good exam results. His parents are proud of his ______.
人体通过____ ,对来自外界和内部刺激作出的有规律的反应,叫做____ 。