(湘少版)四年级英语上册课件_Unit2(3)Shapesareallaroundusrectangle长方形blanket正方形square三角形triangletrianglerectanglesquareHowmanyrectanglesarethere?有多少个长方形?5Howmanysquaresarethere?有多少个正方形?7Howmanytrianglesarethere?有多少个三角形?15What’sthat?It’satriangle.What’sthat?It’sasquare.长方形rectangle正方形square三角形tria...