Boys and girls, today we will talk about “Then and now”. Before humans (人类) often ate raw meat (生肉). They didn’t cook their food. Now there are many things to help us cook delicious food. And the robots can help us cook, wash the dishes. Before there were many trees, green grass, blue sky and clean rivers. Now, there are more and more buildings. So many animals have no home. We also have no green grass, blue sky and clean rivers. We should help the earth (地球) from now.
1．What are they talking about? (
)
| A．Then. | B．Then and now. | C．Now. |
2．Before, did humans (人类) cook their food? (
)
| A．Yes, they were. | B．Yes, they did. | C．No, they didn’t. |
3．Who can help us cook and wash the dishes? (
)
| A．The animals. | B．The robots. | C．The plants. |
4．Now, there are more and more ________. (
)
| A．buildings | B．green hills | C．clear water |
5．What should we do? (
)
| A．Help the earth. | B．See a doctor. | C．Take a deep breath. |
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