单词拼写(共10题，每题1分)
76. She spent many years _______(观察) chimp behavior.                   76._________
77. The ________(争论) among the two parties was blown up by the press.77._________
78. His words are strongly ______(使印象深刻,使铭记) on my memory..   78._________
79. Alison is _______ (稍微) older than the others.                   79._________
80. There are many _______(学说,理论) about the origin of life.         80._________
81. He passed the examination, ________(相反) to what I expected.             81._________
82. She could not _________(解释) for her mistake.                   82._________
83. The doctor advised him to keep a _____(平衡的) diet.              83._________
85. Everyone has his________(长处) and weaknesses.                         84._________
86. You must ask ________(许可) if you want to leave early..          85._________