BWhenwetalkofplants,mostofuswillthinkofthingsthatgrowfromthegroundandhavegreenl

B

Whenwetalkofplants,mostofuswillthinkofthingsthatgrowfromthegroundandhavegreenleaves,butthereareplantsthatdonotlookoractlikeotherplants.Someofthesebelongtoaspecialclassofplantscalledfungi.

Fungimayappearalmosteverywhere.Theycommonlygrowinwetplaceswheretheycangetfoodandwatereasily.Becausefungidonothavegreenleavestomaketheirownfood,butfungimusttaketheirfoodfromanimals,otherplantsorwater.Somefungiliveondeadorrotting（腐烂的）wood,whileothersgrowonlivingtreesorindirtormoss(苔藓).Mushrooms(蘑菇)arethebest-knownfungi.

Therearemanykindsofmushroomsappearinginallshapesandsizes.Forexample,cauliflower(菜花)mushroomsarefoundinforestsfromJulytoOctober.Theycangrowtobeasheavyasfiftypounds!Theygrowatthefootoftrees.Squirrel's(松鼠)breadisanotherkindofwildmushroom.Itsappearanceandusecanexplainitsname.Thesefungilooklikesmallgoldencakes.Squirrelscaneasilyeatthemorcarrythemofftotheirholetoeatlater.

Themushroomsfoundinfoodstoresarecarefullygrownbypeoplewhoknowtheyaresafetoeat.Peoplearewarnednevertotouchortastewildmushroomsbecausesomeofthemaredeadly.Evenlessdangerousonescanstillmakeapersonverysick.

46.WheredoesFunginotgrow?__________.

A.Ondrywoodx05x05x05x05B.Inplacesfullofwater

C.Onlivingtreesx05x05x05x05x05D.Behindhouses

47.WherecanFungitakefood___________.

A.Fromtheirgreenleavesx05x05x05B.Fromwater

C.Fromrottingwoodx05x05x05x05D.Frompeople

48.Squirrel'sbreadisakindof___________.

A.treex05x05x05x05x05x05x05x05x05B.animalx05x05x05x05

C.foodx05x05x05x05x05x05x05x05x05D.medicine

49.Peopleareadvisednottoeatwildfungibecause__________.

A.itisunfitformainfood

B.itmaybedangeroustopeople

C.itdoesn'ttastesogood

D.it’sstrangesmellmaydoharmtopeople

50.Theword"fungi"inthispassagemeans___________.

A.草本植物x05B.菌类植物x05x05C.食用蘑菇x05x05D.无叶植物