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.

如图是用于简单有机化合物的制备、分离、性质比较等的常见简易装置．

请根据该装置回答下列问题：

将男、女体细胞内的染色体进行整理，形成了下列排序图，请回答下列问题．