What is the main idea of the passage?

(单选题)When was China’s sixth national population census conducted? (单选题)Which of followings is not mentioned in the experts’ advice? (单选题)What is the difference between stress and anxiety disorder? (单选题)What does “GP” (last paragraph) mean in Chinese? (单选题)What food is not recommended to face a stressful day? (单选题)What does Govindji think of the salty-sweet food for stressf (单选题)What can we learn from the passage about the Paris Agreement (单选题)What can we infer from the passage about Iran and Turkey? (单选题)Which one is True about the goals of major emitters? (单选题)What is not the concerns of international communities about