A. the amount of light B. the condition of the atmosphere C. the time of the day D. the thickness of air 参考答案:B 答案解析:[试题分析] 信息细节题。 [试题详解] 文章最后一个自然段:the colour of the sky varies from horizon to zenith,since there is
第9题: [单项选择]He is confronted with the moral dilemma of whether to steal a drug he can't afford so that he can save his wife's life. A. met B. baffled C. faced D. squeezed 参考答案:C