our rice outup has increased(to;by)100million tons this year.选哪个?

问题描述:

our rice outup has increased(to;by)100million tons this year.选哪个?

to增长到,后面一半接具体数字
by增长了,后面一般接百分比
结合上下文具体问题具体分析,非要作为一个单独句子选一个答案,就选to
这里应该是output,今年我们的大米产量增长到一亿吨.