Over a billion people lack access to clean drinking water, and over 2 billion people live without adequate sanitation, leading to the deaths of 5 million people, from preventable waterborne disease.
举一反三
- It is estimated that by 2050, there could be . A: more than 6 billion people B: no more than 6billion people C: up to 9 billion people D: over 9 billion people
- It is expected that the world's population will reach ______ by the end of the century. A) 2 billion people C) 80 percent of all people B) 4.4 billion people D) 6.4 billion people A: It is expected that the world's population will reach ______ by the end of the century. B: 2 billion people C: 4.4 billion people D: 80 percent of all people E: 6.4 billion people
- Half the world — nearly 3 billion people — ____ (live) on $2 a day.
- The people's Republic of China (PRC), founded in , is a socialist republic with over 1.4 billion people.
- About _____ people speak English as their first language. A: 700 million B: 1.5 billion C: 1 billion D: 360 million