2021英语四级听力:FloweringPlants
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2021英语四级听力:Flowering Plants思维导图模板大纲
Whatarethepartsofaflower?
Flowerscanhavemalepartsandfemaleparts.Thefemalepartsmakeeggsthatbecomeseeds.Themalepartsmakepollen.Pollenisapowderymaterialthatisneededbytheeggstomakeseeds.Tomakeseeds,pollenandeggsmustcometogether.Thewind,insects,andbirdsbringpollentoeggs.Manyanimalsloveflowers’brightcolors.Theyalsolikeasugaryliquidinflowers.Thisiscallednectar.Whiletheydrinknectar,pollenrubsoffontheirbodies.Astheymove,someofthispollengetsdeliveredtothefemaleflowerparts.
Overtime,thefemalepartsturnintofruitsthatcontainseeds.Animalsofteneatthefruitsandtheseedspassthroughtheirbodiesaswaste.Theanimalsdonoknowtheyareworkingfortheplantsbyplantingseedsastheytraveltodifferentplaces!
UsefulwordsandExpressions:
1.flowering开花的
2.pollen花粉
3.powdery粉状的
4.sugar含糖的,甜的
5.nectar花蜜,甘露
6.rub磨擦