2. 职称英语
  3. Mirages(海市蜃楼)are produced by refraction(折射)of light within a layer of air. T

Mirages(海市蜃楼)are produced by refraction(折射)of light within a layer of air. T

游客2024-02-02  5
问题     Mirages(海市蜃楼)are produced by refraction(折射)of light within a layer of air. This layer of air resists【C1】______up, even in a fairly strong wind.
    Probably the most popular mirage picture is one of a lake in a【C2】______desert. There may even be the appearance of【C3】______breaking on the shore. The easiest form of mirage to study, however, is one that has been seen by millions of people-those seeming strips of water on asphalt-surfaced(柏油路面的)roads that disappear suddenly when one【C4】______them.
    The scientist considers the long distance mirage as the most【C5】______of mirage forms, since it is against a basic law of physics. The law states that the apparent size of an【C6】______seems smaller as we move away from it; however, this kind of mirage will carry a【C7】______of a ship, a town, or an island a thousand miles and set it up in the sky as big as life.
    Mirages may have had an【C8】______on history: A World War I story deals with a battle between the Turks and the British.【C9】______the stronger Turkish army was gaining the advantage when one of the soldiers reported that British troops were advancing. After a hurried meeting, the Turkish forces withdrew(撤退). In reality there were no【C10】______British troops—what had been reported was a mirage showing men who were a hundred miles away.
    A similarly B. supposedly C. puzzling D. waves
    E. negotiates F. advancing G. effect H. hostile
    I. breaking J. waterless K. liberty L. picture
    M. object N. approaches O. humble [br] 【C7】
选项
答案 L
解析 此处应为名词。首先由空白处前的冠词a可以判断，该名词是以辅音开头的单数名词，词库中的liberty为不可数名词，因此只有picture符合条件。另外联系句中提到的mirage，ship，town，island等词，可以推断它们并不是真实地出现在天空中，只是它们的影像出现在天空中，只有picture可以表达“影像”的意思。
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