Gardeninghasalonghistory.Itisoneoftheoldestpastimesintheworld.Rosesareknowntobeontheearthbeforetherearehumanbeingsandnowthereare300kindsofrosesgrowningardens.Gardeningissobigasubjectthatyoucanspendyourwholelifelearningaboutit.
Peoplehavedifferentpreferences（爱好）forgardening.Somemayenjoyhavingtheirownflowergardensandcuttingflowersfortheirhomes.Somemayprefertogrowfruitandvegetablesforfood.Manylikekeepingplantsintheirhomeswhichislightwork.Withflowersorplantsinaroomthehousecanbemorebeautiful.
Therearedifferentthingstobedoneinagardenindifferentseasons.Thereisatimetosowtocutoffbranchesandtodomanyotherjobs.Besidesyoumustalsohavesomeknowledgeaboutthesoilinyourgardenandaboutfertilizersandweedkillersifyouwanttogethighyields（产量）.
Todayindoorgardeningismoreandmorepopular.Hundredsofplantsaregrownindoors.Tokeeptheindoorplantshealthyyouhavetofollowcertainroles.Inheatedroomsplantsneedplentyofmoisture（湿度）.Theyhavetobecarefullywateredandleavesshouldbesprayed.Pottedplantsarebettertobekeptonwindowsills（窗台）.Thesunanddaylighthelptokeeptheleavesgreen.Freshairisalsoneedediftheweatherisgood.
(1)Accordingtotheauthorgardeningis________.
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A．theeasiestjob
B．therichmen'swork
C．afairlynewtopic
D．arathercomplex（复杂的）subject
(2)Inwhichofthefollowingdoweconsiderfreshairveryimportant?
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A．Keepingplantsinsidehouses.
B．Cuttingoffbranches.
C．Learninghowtouseweedkillers.
D．Fertilizingthesoil.
(3)Theworkinagardenwilltakeyourwholelifttolearnbecause________.
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A．theseasonsarequitedifferent
B．gardeningissopopular
C．thereismuchknowledgeinvolved
D．manypeoplehavepreferenceforit
(4)Ifyouwanttogethighyieldsinyourgardenyoushould________.
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A．learnallthedetailsaboutthespeciesofyourplants
B．haveknowledgeaboutthesoilfertilizersandweedkillers
C．wateryourplantsandalwayskeepthemgree
