八年级英语下册Unit1文化拓展冀教版.docx

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1、About the four seasonsWhen your town has winter, the earth? s axis（轴）is pointing away from the sun. Your town doesn, t get as much light or heat from the sun. The days are shorter and colder.Winter and summer happen because the earth is tilted（倾斜）as it revolves around the sun. The northern end of th

2、e earth s axis points towards the sun in summer. You have more hours of light in summer. Your part of the earth is towards the sun for more hours each day. When the part of the earth where you live is towards the sun, you have hotter days. In winter, when your part of the earth points away from the

3、sun, you have colder days.You have learned about winter and summer. There are two more seasons in the year. One es after winter and before summer. The other season es after summer and before winter. Can you name them? That s right. Spring es between winter and summer and autumn es after summer but b

4、efore winter.The four seasons are spring, summer, autumn and winter. Spring and autumn are apposite seasons. Which season do you like best?You have thought about the four seasons of the year. Each season is different. The seasons are made by the northern end of the axis pointing towards or away from

5、 the sun.Your part of the world gets more heat from the sun when the northern end of the axis points to the sun. When the axis points away from the sun, you get less heat. Now you know why winter is colder than summer. The axis is pointing away from the sun in winter. It is pointing towards the sun in summer.