Unit 3 Its a pineapple.Lesson 13pineapplepineapplelemonapplepearWhats this?Its an apple.Whats this?Its a pineapple.Whats this?Its a lemon.Whats this?Its a pear.Practice Whats this?Its a _.pineapplePractice Whats this?Its a _.lemonPractice Whats this?Its an _.applePractice Whats this?Its a _.pearThink and talk!A:Whats this?B:Its a/an Summary 本课学习的水果类单词有:applelemonpineapplepear如何询问某物是什么并做相应回答呢?Whats this?Its a an