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1、......Unit4Task1【答案】A.1)Theyarefarmsthatgrowvegetablesforcitypeopletoeatfresh.2)It’safarmthatgrowplantsandflowerstosell.3)Theyprotecttheplantsfromthecoldinthewinterbutletthemgetplentyoflight,sotheplantscanbegrownallthroughtheyear.B.1)canned,frozen2)flow
2、ers,gardenplants,homegardens,yards,windowboxes3)buildings,furniture,firewood【原文】Grain,vegetablesandfruitsarefoundonmostfarms.Allofthemarefoodforanimalsandpeople.Graincanbefedtoanimalsjustasitisharvested.Butbeforepeopleusethemgrainsareusuallymadeintoflou
3、rorbreakfastcereal.Bread,macaroni（通心粉）,andcereals（麦片）allcomefromgrain.Tomatoes,beans,potatoes,beets（甜菜）,lettuce（生菜）,carrotsandonionsarefieldandgardenvegetables.Canyouthinkofanyothers?Vegetablesaregoodforpeopleandforsomeanimalssuchaspigsandrabbits.Farmst
4、hatgrowvegetablesforcitypeopletoeatfresharecalledtruckfarms.Truckfarmsareusuallyclosetobigcities.Eachdayhundredsofloadsoffreshvegetablesarebroughttostoresonthefarmers'trucks.Withoutthetruckfarmerspeopleincitieswouldnoteatwell.Andwithoutcitypeoplewhoeatf
5、reshvegetables,thetruckfarmerswouldhavenowork.Therearemanykindsoffruit.Apples,pears,peaches,cherries,oranges,grapefruit,andberriesareafewkinds.Youwillbeabletothinkofotherkindsthatyoulike.Mostfruitisgrownonspecializedfarms.Butmanygeneralfarmshavesomefrui
6、ttouseandsellalso.Likevegetables,fruitissoldfreshinmarkets.Butalargepartofboth参考材料......fruitandvegetablecropsissenttofactoriestobecannedorfrozen.Inwarmpartsofourcountryfarmersgrowcotton,rice,tobacco,sugarcane（甘蔗）,andpeanuts.Specializedfarmsraiseflowers
7、andgardenplants.Theyaresoldtoflorists（花商）andtofamiliesforhomegardens,oryards,orwindowboxes.Afarmthatgrowplantsandflowerstoselliscalledanursery（苗圃）.Mostnurserieshaveglassbuildings,calledhothousesorgreenhouses.Thehothousesareheatedtoprotecttheplantsfromco
8、ldinthewinterbutletthemgetplentyoflight,sotheycanbegrownallthroughtheyear.Somefarmsgrowonlytrees.SomeoftheseareChristmastreefarms.Othersarelargeforestswheretreesaregrownfortheirwood.Thewoodisusedforbuildings,furnitureandfirewood.
