课件17张PPT。A ball ? Yes.A box？ Yes.A ball？ No. A cat.A box？ No. An apple.Is it a tree？ 执教者：treeA treerulerA rulerpenA penpencilA pencilboyA boygirlA girlIs it a tree? Yes. No. Is it a boy?No.It isa tree.?It’sIt is a girl. It’s a girl.Is it a boy?No. It’s a girl.Good Bye!
