When a rabbit sees something danger, it runs away. Its tail moves up and down as it runs. When other rabbit see this tail moved up and down, they know that there is danger, or they run, too. Many other animals use this kind of language. When a bee has found some food, it go back to it"s home. It can"t tell the other bees where the food is with speaking to them. And it does a little dance in the air. This tells the bees at home there the food is. Some animals say things by make sounds. A dog barks when the stranger comes near. A cat purrs when pleased. | 1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____ 7. _____ 8. _____ 9. _____ 10. _____ |
Whether to find a job or continue to study seems to be a(n) _____ topic of conversations among graduates. | |
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A. informal B. staple C. personal D. generous | |
— I need somebody to lend me some money. — Why not ask Bill? He is a very man. | |
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A. sceptical B. mysterious C. generous D. unpredictable | |
.I tried hard to get some information about the new technology out of his mouth,but he remained . | |
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A.quiet B.secret C.silent D.calm |