| A．见到你很高兴 | B．你叫什么名字 |
| A．给我出示数字5。 | B．给我五个。 |
| A．我有三只脚。 （ | B．我们吃点肉吧。 （ | C．你喜欢吃肉吗？ （ | D．我想要些面包。 （ | E．你午餐想吃什么？ |
Look at the blue Earth. This is our home. There are plains(平原), mountains, rivers, lakes and oceans on our planet. There are all kinds of trees, flowers and grass on our Earth. There are all kinds of wild animals living together with us. But sometimes we do bad things to it. We waste too much water. We cut down too many trees. We hunt too wild animals for eating or wearing. We waste too much energy. Too many cars use a lot of energy. We use too many plastic bags. We shouldn’t do these things. We should save our Earth because we have only one Earth.
1．What’s on our planet?
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