Liu Jiang, director of the Index Research Office of the Development Research Center of the State Post Bureau, said that the volume of courier services from January to April was 17.07 billion, a year-on-year increase of 24.8%, which is more than three times the growth rate of the service industry production index during the same period. Leading position. What's even more gratifying is that the express industry not only grows "blocky", but also "muscle", and the quality of the industry development continues to improve. From January to April, the business income of national express service companies has accumulated 213.54 billion yuan, an increase of 22.8% over the same period The industry's average daily shipment volume reaches 160 million pieces, up to 180 million pieces, and the single-month express delivery volume is close to the order of 5 billion pieces. Which of the following options are suitable for article titles? ['Express industry, running out of acceleration.', 'Rural express delivery is growing rapidly.', 'Express delivery should complete the short board.', 'Express delivery.']