Yes, "He is the President of China" is correct!!
Next Quesiton:

Who is this Asian dude?
  1. Li Keqiang, Premier of China
  2. Xi Jinping, President of China
  3. Ma Ying-jeou, President of Taiwan
  4. Yukiya Amano, head of the IAEA
  5. Ban Ki-Moon, Secretary General of the UN
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