问题
选择题
Although the living standards of Chinese people have greatly improved, most poor families in China spend 50% of their income on food.
A．gradually
B．approximately
C．harmfully
D．curiously
答案
答案：B
题目分析：A. gradually逐渐地，B. approximately大约，C. harmfully有害地，D. curiously好奇地，句意：虽然中国人民的生活标准已经大大的提高了，大部分贫穷的家庭还是将50%的收入花在食物上。所以选B。