单选题：Which of the following comes first as a possible damage by

题目分类：卫生类
题目类型：单选题
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题目内容：

Which of the following comes first as a possible damage by UV radiation? A．Sunburn.
B．The loss of skin elasticity.
C．Dryness of epidermis.
D．The deterioration of dermis.

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若有以下程序则程序的输出结果是

若有以下程序则程序的输出结果是 A．6-5-4-3-2-1- B．6-5-4-3-2-1 C．1-2-3-4-5-6 D．1-2-3-4-5-6-

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有以下程序若运行时从键盘上输入OPEN THE DOOR<回车>，程序的输出结果是

有以下程序若运行时从键盘上输入OPEN THE DOOR，程序的输出结果是A．0PEN THE DOOR B．oPEN tHE dOOR C．open

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回答（47）题

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Which of the following can best reflect the theme of the pa

Which of the following can best reflect the theme of the passage?A．Chirping awa

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Hundreds of buildings were wrecked by the earthquake.

Hundreds of buildings were wrecked by the earthquake.A．damaged B．shaken C．falle

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