Question

【题目】_________people visited Hongyadong, Chongqing on May Day this year.

A. Thousand B. Thousands C. Thousand of D. Thousands of

Answer 1

【答案】D

【解析】考查数词的用法。句意：今年五一，成千上万的人参观了重庆的洪崖洞。句中无具体的数字故不用复数，排除A和C，同时如用复数后须接介词of，排除B。thousands of意为“数以千计的，成千的”。故选D。