`1.F`

`=>`Dẫn chứng : First, Singaporeans drink NEWater- recycled water. NEWater is suitable for
drinking. ( Câu 2,3 của bài )

`2.T`

`=>`Dẫn chứng : They can now produce more organic goods.

`3.F`

`=>`Dẫn chứng : Third, buildings in Singapore can be "green" too. They use ceramic tiles to reduce
pollution in the air. 

`4.F`

`=>`Dẫn chứng : Singapore can also produce "eco-friendly" cars. They also encourage people to walk or travel by public transport. 

`5.`T`

`=>`Dẫn chứng : Now 25% of their buildings get Green Mark. By 2030, 80% of their buildings will get this.