Unit13Thewaterplanet(Warmingup,speaking&Listening)Riddle:It’sveryimportanttoalltheanimalsandplants
It’salsoimportanttohumanbeings
It’sliquidatroomtemperature
Everydayyoukeepintouchwithit
Youcan’tlivewithoutit
Whatisit
(athing)Theearthisawaterplanet
HowdoweuseHowdoweusewaterwaterinourdailyinourdailylife
ElectricityAgricultureHomeuseIndustryTransportEntertainmentHowmuchwaterdoyouuseathome
2gallonsofwaterisusedtowashyourhands
2gallonsofwaterisusedtobrushyourteeth
(ifyouleavethewaterrunning)2to7gallonsofwaterisusedtoflushatoilet
9to12gallonsofwaterisusedtowashdishesinanautomaticdishwasher
20gallonsofwaterisusedtohandwashdishes
25to50gallonsofwaterisusedforafiveminuteshower
Theaveragepersonuses120gallonsofwaterperday
Youcannotheara"running"toiletuntilitislosing250gallonsofwaterperday