正确答案:

题目：生物对生态因子的耐受性范围是可变的。( )

解析：√

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举一反三的答案和解析：

[单选题]Ⅰ. Phonetics (5 points)Directions: In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.

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解析：C

[单选题]有发达的根系，叶面积很小，叶片化成刺状、针状或鳞片状，且气孔下陷，这种植物是( )

少浆植物