如何用jQuery建立Django网站

I don't know why, but I couldn't figure out how to activate jQuery on my website. All sites doing tutorials 'Starting jQuery on Django' started with JQuery already working on their site. Anyway, instead of downloading it and putting it in my folder somewhere, I decided to go the cheat-way and use Google's. Therefore, in my base page, I had the following piece of codeI don't know why, but I couldn't figure out how