lì / shǐ / kè / shàng / lǎo / shī / jiǎng / dào / le / tǒng / gòu / tǒng / xiāo / zhèng / cè / de / yǐng / xiǎng

历史课上，老师讲到了统购统销政策的影响。

In history class, the teacher discussed the impact of the state purchasing and marketing policy.