全国英语等级考试 meaning in Chinese

cet4
ncet
pest
pets

Public english test system
全国英语等级考试
I have opened the english " gate " , the first step was successful , then i went on to the second step : i ' m studying new interchange english for international communication from level 1 ~ 5 , i ' m now on the step of level 3 , and i have to join pets level exam
我已经打开了英语“大门” ，而且第一步成功了，我继续走第二步：我正在学习剑桥国际英语教程从1 5级，现在我在第三级学习阶段，我得参加全国英语等级考试。