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unit2 There are twelve boys on the bike.1、There is a boy on the bike.2、There are three boys on the bike.3、There are twelve boys on the bike.warm upThere are three chickens in the photo.They are eating rice.chickenThere is a bear.It is eating rice.bearpandaThere is a panda in the photo.Its eating fruit.选一选1、There _a pig in the box.A.a B.are2、There _some chickens.A.a B.are3、There_lots of pandas in the zoo.A.are B.asummary同学们：我们在做练习时要留意There is.和There are.的用法 当我们表达单数时我表们要用There is.当我们表达复数时我们要用There are.