单选题 The little boy was so fascinated by the mighty river that he would spend hours sitting on its bank and gazing at the passing boats and rafts.
A. very strong B. very long C. very great D. very fast

【正确答案】 A

【答案解析】[解析] mighty：强大的；强有力的。We are dealing with forces that are mightier than ourselves. 我们正在应付强于我们的势力。strong：强壮的。long：长的。great：大的；伟大的。fast：快的。