Unit 1,How tall are you,Introduce,How old are you? Im 12 years old. How tall are you? Im 1.64 metres,Words,younger jg(r,作形容词，意为“更年轻的”。最高级是youngest（最年轻的,eg: The younger people might not like the idea. 年轻一些的人可能不喜欢这个主意,小练习：根据首字母填空： Im y_ than you,younger,Words,older ldr,作形容词，意为“更年长的”。最高级是oldest，最年长的,eg: I like the older one. This one. 我喜欢年纪大点儿的。这个,小练习：根据所给词的适当形式填空： He looks much _ (old)than before,older,拓展：older people 老年人 older brother 哥哥；长兄,Words,taller t:lr,作形容词，意为“更高的”。最高级是tallest，其
