茶壶的实质是一个 ；茶水从壶嘴流出后，会自动由高处流向低处，主要是因为_ ___．
连通器；茶水受到重力的作用．
—Does Bill do his new job well?
— ________ his old job. I'm afraid there's no hope for him.
A．Not better than
B．No better than
C．Not so well as
D．Not as well as
下列属于学习的联结-认知理论的是（）。
A、托尔曼认知目的说
B、班杜拉的观察学习理论
C、人本主义学习理论
D、布鲁纳的学习理论
