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                                                                                                                              《狼》
        一屠晚归，担中肉尽，止有剩骨。途中两狼，缀行甚远。
        屠惧，投以骨。一狼得骨止，一狼仍从。复投之，后狼止而前狼又至。骨已尽矣，而两狼之并驱如故。
        屠大窘，恐前后受其敌。顾野有麦场，场主积薪其中，苫蔽成丘。屠乃奔倚其下，弛担持刀。狼不敢前，眈眈相向。
        少时，一狼径去，其一犬坐于前。久之，目似瞑，意暇甚。屠暴起，以刀劈狼首，又数刀毙之。方欲行，转视积薪后，一狼洞其中，意将隧入以攻其后也。身已半入，止露尻尾。屠自后断其股，亦毙之。乃悟前狼假寐，盖以诱敌。
         狼亦黠矣，而顷刻两毙，禽兽之变诈几何哉？止增笑耳。

    There are a number of ways to help improve your memory, so you shouldn't____sad.

    My first way is that if you want to remember something, you have to review it____.You may want to go over the material two days after you have____it, then a week later, then two weeks later, and then a month later. After a month you will find that you can remember the material.

    My second____is to use a colored pen to highlight(用颜色标出) the important parts on your book. This will help you in two ways. First, it will help you focus on the____parts when you learn the knowledge. It is always____than remembering everything.____this will make reviewing better. When you open your book, the color parts will show you the most important things immediately.

    Another good time for remembering information is in the morning because you have just ____the whole night and your brain is fresh and clear. So it's easy to remember the important information in the morning.

下列措施中，能使蒸发加快的是(   )