单选题 A disease known as chestnut blight {{U}}wiped out{{/U}} large numbers of American chestnut trees.
  • A. altered
  • B. penetrated
  • C. devalued
  • D. destroyed
【正确答案】 D
【答案解析】[解析] destroyed=wiped out“摧毁，毁灭”。alter“改变”；penetrate“穿透”；devalue “贬值”。