After Air China's successful interview, there will be three months of pre-job training. During the training period, there will be more than ten exams. If you fail in the exam, you will not be able to graduate. If the make-up exam is unqualified, it will not be hired.
The exam is easy, as long as you listen carefully and study hard, you can pass it.
Gong Zhonghao: "Zhaopin-China Telecom"
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