Which of the following word can best explain the word "critical" on the second line paragr
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Which of the following word can best explain the word "critical" on the second line, paragraph 4 ?
A.Crucial.
B.Looking for faults.
C.Great.
D.Dangerous.
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正确答案:A
解析:该题的答案在最后一段。critical 在此处是指冰山已移动的一个临界的厚度,后面紧接着解释了该词。所以我们选择A,而不选择它的另一个意思“挑毛病的”,即 B选项。C不够具体,如果把临界厚度引申为D项“危险的”,就有点绝对了。
