根据技能的性质和表现形式，通常把技能分为动作技能和( )
A．活动技能
B．学习技能
C．一般技能
D．认知技能
参考答案：D
---I don’t think Lily can sing _______ Lucy.
---I disagree. I think Lily can sing ______ Lucy.
A．as better as; as well as
B．as well as; worse than
C．so good as; better than
D．as well as; better than
安全等级
