58. The ecological disaster in Nauru resulted from _______. (A)soil pollution (B)phosphate over mining (C)farming activity (D)whale hunting

62. How did Dr. Minor contributed to the dictionary? (A)He helped Murray to find hundreds of volunteers. (B)He sent newspapers, magazines and books to Murray. (C)He provided a great number of words and quotations (D)he went to England to work with Murray.