Unit 12 The four seasonsLead-infour seasonsspringsummerautumnwinterNew wordsspring春天summer夏天autumn秋天winter冬天cold寒冷的cool凉爽的hot炎热的warm温暖的Listen and sayIn spring, it is warm.在春天，天气暖和。In summer, it is hot.在夏天，天气火热。In autumn, it is cool.在秋天，天气凉爽。In winter, it is cold.在冬天，天气寒冷。Look and learnspring summer autumn winter春天夏天秋天冬天In spring, it’s warm.Colour and sayIn summer, it is hot.In autumn, it is cool.In winter, it is cold.Say and actHi, Ben! Hi, Kitty!Hello, Peter!It’s cold.Yes, it is.Look at the snow. Let’s make a snowman, Peter.OK.Look at its nose. It’s funny!Language pointsLet’s make a snowman, Peter. 咱们堆个雪人吧，彼得。 这是由 let 引导的祈使句，表示建议某人做某事，其句型结构为“ Let’s+ 动词原形 + 其他 . 咱们一起……吧。” 肯定答语通常为 : OK. 好的 /Great. 好极了 All right. 好吧 否定答语多用“ Sorry , I…” 等。Hello, Lily.Hi, John.Play rolesIt’s hot.Yes, it is.Let’s eat ice-cream.Let’s go swimming.Read and traceIn spring, it is warm.In autumn, it is cool.Learn the lettersThe ABC Song Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz
