Houston is 美国石油化工 and 航天工业的最大基地

If one does not even know this, he/she must not live in US.

This is more than common knowledge - even kids know where NASA is. :)

I wish people spend sometime to actually read and understand some REAL information, instead of getting it from some Chinese sources which, unfortunately, half of the time is misleading - so those who rely on such end up learn nothing, but wrong information.