Unit 5 Стор. 56 - 68: 15

15. A – a. The LifeStraw provides instant clean water, saving lives during disasters.

X – b. You should drink about eight glasses of water a day.

B – c. The MightyLight is safer and cleaner than traditional kerosene lamps.

A – d. Each straw purifies about 160 gallons of water.

B – e. It's easy to carry, and you can hang it on a wall or place it on a tabletop.

X – f. Candles don't provide much light.

B – g. It also lasts longer — its LED technology is good for up to 30 years.

A – h. Thousands of LifeStraws were donated to Haiti after the 2010 earthquake.