月球表面白天温度可高达150℃以上，主要原因是    (    )

把下列句子组成语意连贯的语段，排序最恰当的一项是(　　)
①作家应当具有明辨力，要担负起义务与责任，以审美的态度去审视、选择、提炼“丑”。
②只有通过对丑恶事物的厌恶，唤起对美与善的渴望与追求的时候，丑才能有审美价值。
③审丑是新词汇，有人把它看作“审美疲劳”的产物，也有人认为它就是审美的一种表现形式。
④而审丑的泛滥，过分渲染人性的阴暗丑恶，颠覆了以往文学作品中对人性充满真善美的叙写。
⑤但对于不少中国作家而言，他们常常局限于对审丑这一形式的借用，在审丑的背后所蕴含的对人性的深刻批判、对小人物的关怀很少。
⑥当今文学作品中的审丑应当与审美相结合，并且以审美为最终目的，只有这样，审丑才会走出欲望痛苦的泥淖，化丑为美，焕发出新的生机。

    The sun comes up in the east and goes down in the west. When the sun rises， It is morning. When the sun sets， it is evening. When the sun is shining， it is day. Morning is the time between sunrise and twelve o'clock， or between sunrise and lunch. At twelve o'clock， the sun is the highest in the sky over our heads. The sun is overhead at noon. The sun shines during（在……期间）the day. The moon and the stars shine during the night. When the sun rises， it is light. It's light during the day. During the night， if the moon is not shining， it is dark. What are the days and nights like in summer? In summer the days are longer and the nights are shorter. What about in winter? In winter， the days are shorter and the nights are longer.