Question

which describes the connection between a mechanical loom and a cotton gin?
the gin was invented first to increase textile production, and then the loom produced more cotton.
the loom and the gin were invented at the same time to improve textile production.
the loom and the gin were invented at the same time to improve cotton production.
the loom was invented first to increase textile production, and then the gin produced more cotton.

Explanation:

机械织布机（mechanical loom）先被发明以增加纺织品生产，之后轧棉机（cotton gin）的发明使得棉花产量增加，二者存在先后顺序且都与纺织生产相关。

Answer:

The loom was invented first to increase textile production, and then the gin produced more cotton.