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如图所示，体积相同的A、B两个实心小球静止在水中，A球处于漂浮状态，B球处于悬浮状态。分别用ρA、ρB表示A、B两球的密度，FA、FB表示A、B两球受到的浮力，比较它们的大小：ρA______ρB，FA        FB。

答案

<  ；<

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第二部分：短文填空（共10空，每空1分，满分10分）

阅读下面的短文，在标有序号的空白处填入一个适当的词，或填入括号中单词的正确形式，使短文语义完整。（答案写在答题纸上）

Imagine the scene．You have been sitting indoors for weeks revising for exams，（81）_______everyone  else has been having a great time．At this moment，you are dreaming of a different life．You imagine yourself on a beach in some remote part of the world．（82） _______ all this seem like a dream ？Well，that dream could come（83）_______ ！

Remember that travel can be educational．You learn a（84） _______ about life—and yourself—when you spend time abroad．Nowadays，many young people have a year off（85） ________ they start university．During this year they learn new skills and explore their interests．But it is important to spend the time （86）________ (wise)．Remember that you will （87）_______to come back and start studying again when the year has ended．Nobody will be impressed if you have（88） _______ your time lying in bed，listening to hip-hop music and watching TV！

You could go to Nepal and teach English．Some people have even（89） _______ (employ) as farmers in the Andes！This may sound romantic （90） _______ you have to think about money，too．In the end，you may have to take any job you can，or maybe even two．                                       
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8259A操作命令字OCW2的一个作用是定义8259A的优先权工作方式。优先权工作方式有两种：一种是优先权固定方式，另一种是优先权_______方式。
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