问题补充:
people got hurt in the 7.1-magnitude earthquake in northwest China’s Qinghai Province.
A. Thousand
B. Thousands
C. Thousand of
D. Thousands of
答案:
A. Thousand
B. Thousands
C. Thousand of
(答案→)D. Thousands of
解析:本题的含义是青海7.1级地震致使数千人伤亡,数词单位的复数+of+名词表示不确定的数量,thousands of表示数千的意思,故本题选D。