问题
选择题
. soldiers and doctors were sent to help the people in Yushu after the earthquake.
A. Two thousands B. Thousands of C. Two thousands of
答案
答案：B
题目分析：句意：在地震后数千名士兵和医生被送往玉树帮助那里的人们。具体数字不加S，模糊数字加s，of,根据句意和结构，故选B。
