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Lesson 18 Knowledge and Ability Objects 1. Knowledge objects (1)Key vocabulary : pineapple apple pear orange banana potato tomato (2)Target language — What’ s this in English ? — It’ s a pineapple / pear / banana / potato / tomato . — What’ s this ? — It’ s a pineapple / pear / banana / potato / tomato . objects Train students speaking skill . Train students municative petence using the key vocabula