题目

It was        the quality of life in the future         I took this training course，not just to make more money. A. to improve; that  B. improving; when    C. to improve; when   D. improving; that 答案：A图为“地球大气受热过程示意图”，读图完成下题。【小题1】当前化石燃料的燃烧，排放大量温室气体导致A．①减少 B．②增加 C．③增加 D．④减少 【小题2】我国西北地区昼夜温差大，是因为A．白天地面吸收强，夜晚①弱 B．白天反射作用强，夜晚②弱 C．白天大气辐射强，夜晚③弱 D．白天太阳辐射强，夜晚④弱