2. 职称英语
  3. Man has become master of the Earth’s surface. He is constantly probing into

Man has become master of the Earth’s surface. He is constantly probing into

游客2025-03-20  35
问题     Man has become master of the Earth’s surface. He is constantly probing into the earth’s depths and into atmosphere’s upper reaches.【C1】______ it is doubtful whether man, with all of his intelligence and vigor, holds his planetary seat with greater【C2】______ than a vast tribe of small, many-legged animals that pass their lives at his feet—the spiders.
    Spiders are among the【C3】______ of science. They dwell at higher altitudes than any other【C4】______ of their size or larger. On the slopes of Mount Everest, at an altitude of twenty-two thousand feet—five thousand feet above the vegetation line—【C5】______ a species of black spider only a quarter of an inch long. This is an【C6】______ environment for creatures so delicately constructed. To protect themselves from the chill of night, they take shelter in crevices where the twenty-four-hour【C7】______ in temperature is only twelve degrees, as against forty-four on the outside.
    Spiders live in other unlikely【C8】______ —rabbit burrows, flowers, anthills, and the desolate, drafty aeries of eagles. They have been found soaring through the air five miles【C9】______ the earth. One【C10】______ has been discovered in an African cavern more than two thousand feet underground. [br] 【C4】
选项 A、creatures
B、pests
C、insects
D、plants
答案 A
解析 本句是一个含有比较级的句子，要求前后相比较的内容是同一概念的东西。根据常识，蜘蛛不是昆虫类，也不是植物，所以B项pests(害虫)、C项insects(昆虫)和D项plants(植物)用在此处都不正确。正确答案是A项creatufts(动物，生物)。
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