my first cycle..with test e I bought the 5 little bottle package glass how do I get my needle in the bottle...also do I use 2 bottles to have 250..it says on the box 250 mg/ml 1ml so do I fill my syringe to the number 1 on the syringe/using 2 bottles to get 250

I have these

Manufacturer: Balkan Pharmaceuticals
Substance: Testosterone Enanthate
Pack: 5 x 1ml amp (250mg/ml)