【单选题】This question is so hard that very ______ students can answer it.
【单选题】This question is so difficult that only ______ students can answer it.
【单选题】This question is so easy that _____ can answer it.
【单选题】This question is so easy that _____ student can answer it.
【单选题】This question is so difficult that __ people are able even to understand ie.
【单选题】This question is so difficult that ______ people are able even to understand it.
【简答题】A物质能分布于 相和 相中,在温度压力恒定下,当 > 时,则A物质可以自发地从(__)相转移到(__)相中,直至两相化学势相等时,即处于平衡状态。
【简答题】This question is so easy that____can answer it.