Explanation:

- Statement 1: Urbanization is high in China. This is true. China has experienced significant urbanization over the past decades, with a majority of its population living in cities.

- Statement 2: China has the second-largest GDP in the world. This is also true. According to recent data, China ranks as the world's second-largest economy after the United States.

- Option 1: Both statements are correct. This option is accurate.

- Option 2: Both are incorrect. This is not accurate since both statements are true.

- Option 3: Statement 1 is correct, and statement 2 is incorrect. This is not accurate as both statements are correct.

- Option 4: Statement 1 is incorrect, and statement 2 is correct. This is not accurate since both statements are true.