Закончите предложения, используя следующие слова и словосочетания:
for drinking, free from toxic salts, acceptable, average, salts, calcium, microscopic organisms, fine particles, natural waters, pure, magnesium, potassium, bicarbonate, clay, sand, sodium
1. We have mineral waters in which the total mineral content is significantly above the … .
2. Alkaline waters contain unusual quantities of … .
3. The water for drinking and domestic purposes commonly contains … .
4. There is also a variety of suspended matter in … .
5. Waters having appreciate amounts of dissolved salts are more … .
6. Good drinking water must be … .
After their quarrel they stopped talking.
The TV set didn’t work so they tried to move the aerial.
We tried to reach the shelf but it was too high.
Finally she managed to stop smoking.
The surgeon tried to save the patient but that girl lost a lot of blood.
Children, stop shouting. Your mother is sleeping.
If you don’t like your room, try to put some pictures on the wall.
Before crossing the road I stopped to check if there were any cars.
All the firefighters tried to extinguish the fire.