摘要: (看2中的图片.学生学习新词.) T: Look at the pictures in 2. Can you name these animals? Ss: Snake, - (教师根据将要板书的单词.提示学生看对应的图片.尽可能地引导学生说新单词.) snake fox insect frog T: Look at the pictures. Which is the smallest, the insect, the frog or the snake? Ss: The insect. T: Which is the longest, the insect, the frog or the snake? Ss: The snake. T: Insects feed on plants. Birds feed on insects. Foxes feed on birds. feed on T: Now let’s look at the pictures and talk about them. Which is bigger, birds or insects? Ss: Birds. T: Which is the strongest, insects, frogs or snakes? Ss: Snakes. T: What do insects feed on? Ss: Plants. T: What do frogs and birds feed on? Ss: Insects. T: What do snakes feed on? Ss: Frogs. T: What do foxes feed on? Ss: Birds. T: Insects feed on plants. Birds and frogs eat insects. Snakes eat frogs and foxes eat birds. That’s nature. That’s our world.

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