题目

56. Can you describe the geographical f_________? 57. It’s u_________ that the tickets have already sold out. 58. F______ with the coming examination, we students have no alternative but to work hard. 59. They have been arguing for hours without reaching any a__________. 60. It took more than half a year to repair the ancient castle after it was d_______ during a storm. 61.Although the United Nations have made great e_______, the drug problem continues to grow. 62.On a________, the time students spend in doing English homework every day is about half an hour. 63. Too many v________ s分子与原子的根本区别是A. 分子大、原子小B. 分子能构成物质，原子不能C. 在化学变化中分子可分，原子不可分D. 分子能保持物质的化学性质，原子不能