Unit 3 Its a pineapple.Lesson 14New wordswatermelonKiwi fruitbananaorangeWhats this?Look!Its a banana.Whats that?Look!Its a watermelon.Oh,its a big watermelon.Whats this?Its an orange.Whats that?Its a pear.Whats this?Its an apple.Whats that?Its a strawberry.Whats this?Its a peach.Whats that?Its a grapefruit.Whats this?Its a pineapple.Whats that?Its a cherry.Whats that?那是什么?that 用于指时间空间上较远的事物this 用于指时间空间上较近的事物