答案： Unit 1 Wise men in history
知识导航
关键单词：1. golden 2. Olympics 3. agreement 4. doubt
5. real 6. truth 7. seem 8. solve 9. fill 10. bowl
11. less 12. metal 13. certain 14. prison 15. boxing
16. racing 17. hit 18. brave 19. correct 20. mistake
重要词组：1. (be) happy with 2. find out the truth
3. think about 4. fill... with... 5. run over
6. send... to prison 7. cut... in half
8. (be) amazed at... 9. make sure 10. lead... onto
11. go down 12. add up
典型句子：1. At first, he was very happy with it.
2. Later, however, he began to doubt that it was a real
golden crown.
3. He sent it to Archimedes and asked him to find out
the truth.
4. This problem seems difficult to solve.
5. Archimedes was still thinking about this problem as he
filled his bath with water.
6. When he got into the bath, some water ran over.