Read the article again and choose the correct answer.
1 Compared to the other rivers in the world, the Mekong River is
A the longest.
B not as long as eleven other rivers.
C longer than twelve other rivers.
2 The Mekong River got its name from
3 The Mekong River provides means for Southeast Asian people to access
A turbulent sections and physical obstacles.
B social facilities and natural resources.
C job opportunities and challenges.
4 The navigation along the Mekong River
A is already well-developed.
B still has more potential.
C is limited in Laos only.
5 Improvements should be made so that
A more tourists could visit the countries in the Southeast Asia.
B boats can replace all of other means of transport in the Southeast Asia.
C larger boats can pass some parts of the river more easily to better the goods exchange.