dsfueltosupplyitwithenergy.Thatisthefoodweeat.Buthowmuchdoweneedtostayhealthy?Theenergyvalueoffoodisusuallymeasuredincalories.Acalorieistheamountofheatrequiredtoraisethetemperatureof1kgofwaterby1℃.Thenumberofcaloriespeopleneedperdayisdifferent,asthechartshows……CALORIESNEEDEDPERDAYBaby750Officeworker2,700Childaged82,100Womanfeedingbaby2,700Manover702,100Boyaged163,000Woman3,600Farmer2,600练习Q1)____caloriesarerequiredtoraisethetemperatureof5kgofwaterfrom35℃to90℃.A.55B.175C.325D.275Q2)ordingtothechartabove?A. Achildaged8requiresmorethan3timestheamountofcaloriesthatababydoes.B.Aboyaged16requiresnearlytwicetheamountofcaloriesthataboyaged8does.C.Anofficeworkerrequiresthesameamountofcaloriesperdayasawomanfeedingababydoes.D.Afarmerrequiresnearly1.5timestheamountofcaloriesthatanofficeworkerdoes.解释文章
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