第二章单元测试
  1. The function is same as the function  y=x . ( )


  2. A:对 B:错
    答案:错
  3. The function is same as the function . ( )

  4. A:对 B:错
    答案:错
  5. The domain of is ( )

  6. A: B: C: D:
    答案:
  7. Which function is decreasing on ? ( )

  8. A: B: C: D:
    答案:
  9. is odd. ( )

  10. A:错 B:对
    答案:对
  11. is even. ( )

  12. A:错 B:对
    答案:错
  13. The graph of is symmetric with respect to the y-axis. ( )

  14. A:对 B:错
    答案:对
  15. The graph of is symmetric to the graph of with respect to the line . ( )

  16. A:错 B:对
    答案:对
  17. Which function has inverse function? ( )

  18. A: B: C: D:
    答案:###
  19. If then ( )

  20. A:1 B:7 C:3 D:8
    答案:3
  21. Which function’s domain is ? ( )

  22. A: B: C: D:
    答案:

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