高原体验是（）提出的。对于感受到的敬畏与神奇做出平静的、稳重的积极反应，是一种平和而又持续的欢心心境。
参考答案：马斯洛
What's the _________, Amy?[ ]
A. mouth
B. math
C. matter
用所给单词的适当形式填空。
1.There is a pen and two ______ (knife) on the desk.
2.I don't like those ______ (leaf).
