单词拼写（共10题，每题1分，共10分）
81. I’m not at all s________（满意的）with the present situation.
82. If you go e__________,(向东) you’ll find the sea.
83. He took a m          （一口）of fresh air.
84. We were all e_______ （娱乐）by his humorous stories.
85. At the same time they are taking strong m______(措施)to protect wildlife resources.
86. His b_______(行为)is worthy of great praise.
87. Our school is s____________ （包围）by many trees.
88.Our school is trying its best to improve our studying and working c____________.(环境)
89. You’d better finish your homework without r____________（参考） to your notes.
90. He wants to c___________ （循环）his knowledge all over the world.