Unit 7,On the farm,Introduce,Look, whats this? -Its a duck. -How many ducks can you see on the desk? Lets count. -One duck, two ducks, three ducks,Whats this? Its,Words,名词，意为“农场”。派生词：farmer 农民,farm /f:m,小练习：汉译英。 _ 在农场里,on the farm,Words,they /e,代词，意为“他们；她们；它们”。 theyre = they are 他们是,小练习：汉译英。 _ .他们是苹果,They are apples,Words,pig /pg,名词，意为“猪”。形近词：big 大的,小练习：给图片选择正确的英文解释。（ ） A. cow B.pig,B,Words,those /z,代词，意为“那些”，后接可数名词复数。 单数：that。对应词：these,小练习：汉译英。 那些男孩 _,
