第六章单元测试
  1. To ________ weeds is not only to destroy their visible parts but also to pull them out by the roots.( )

  2. A:extract
    B:extricate
    C:extirpate
    D:export

    答案:extirpate

  3. English has become a ________ language. It is a technique for students to master fluently. But many students haven't been interested in it. ( )

  4. A:sufficient
    B:adequate
    C:requisite
    D:efficient
  5. Remember that there is nothing stable in human affairs; therefore avoid undue elation in prosperity, or undue depression in ________. ( )

  6. A:devastation
    B:defiance
    C:calamity
    D:adversity
  7. I often take a moment as I wait at our grocery store checkout stand to ________ the covers of the magazines displayed there. ( )

  8. A:scan
    B:peek
    C:decipher
    D:watch
  9. Some scientists believe the work to ________ the human genetic code is no less important than the Apollo moon landing program. ( )

  10. A:suspect
    B:defy
    C:decipher
    D:extirpate
  11. The code of ethics is an ________ law; it controls peoples’ thought, and is an important dependent ways that the soft law is carried out. ( )

  12. A:arrogant
    B:explicit
    C:implicit
    D:requisite
  13. Americans treat doctors with a strange mixture of awe, respect, cynicism, and ________. ( )

  14. A:suspect
    B:contempt
    C:adversity
    D:grandeur
  15. Did they ________ the houses to make room for a big industrial complex? ( )

  16. A:pull over
    B:pull off
    C:pull down
    D:pull away
  17. I am too busy to ________ the Web every day, but I do try to spend a bit of time there. ( )

  18. A:study
    B:browse
    C:peek
    D:stare
  19. Artists' renderings of space can be pretty impressive, and sometimes hard to ________ the real thing based on hard science. ( )

  20. A:pass up
    B:scan through
    C:distinguish from
    D:pull down

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