⑴把天平放在水平桌面上，将____移到标尺左端的零刻线处后，发现天平横梁左高右低，应将右侧的平衡螺母向____（选填“左”或“右”）调节，使天平平衡；

⑵用调节好的天平测量空烧杯的质最m₁：

⑶把配制好的盐水倒入量筒中，测量盐水体积V，如图甲所示；

⑷把量筒中的盐水全部倒入烧杯中，测量烧杯和盐水的总质量m₂，如图乙所示．请根据图中数据，帮小华同学把下表填写完整：

⑸以上方法测出的盐水密度值比真实值____（选填“偏大”或“偏小”）；

⑹小华同学发现混杂在种子中的小石块也同饱满的种子一起沉入了盐水底部，她想知道石块的密度有多大，就选了一块大小合适且与其材质相同的石块，巧妙利用图乙所示的天平状态，按以下的步骤测出了石块的密度．

①用细线栓着石块浸没在盐水中 （石块未接触烧杯底且盐水未溢出），天平读数增大了△m₁；

②将石块缓慢沉入烧杯底部，放开细线，天平读数又增大了△m₂：

③石块密度的表达式ρ_石（用△m₁、△m₂及盐水密度ρ表示）____．

在下列二次根式中，与$\sqrt{2}$是同类二次根式的是（　　）

    Nowadays, many people do not read for pleasure. The Internet and television have become most people's main form of entertainment, and reading is becoming a thing of the past. ____ And there are ways to make it even more enjoyable, whether you do it frequently or just for assignments.

    Indentify what kind of reading you want to enjoy.

    Believe it or not, people enjoy different kinds of reading. Some people do research, some people read to learn how to do things, and some people read in order to enjoy stories or poetry. ____

    Realize that there are countless types of reading materials.

    For example, if you want to read stories, keep in mind that there are many types, like romantic novels, creative nonfiction, etc. Don't decide you don't like reading just because you don't like one particular kind of books. ____ But in the end, you'll slowly develop an interest in reading.

    Try listening to music.

    ____Soft music is generally received better, but any type will do. It depends on what you like.

    ____

    Find a place that is quiet, well-lit, and comfortable. You can even make a reading comer in your room.

A. Create a good reading environment.

B. Concentrate on what you're reading.

C. Remember, you will have trial and error.

D. Therefore, watching TV plays an important role.

E. Before anything else, figure out why you want to read.

F. For some people, this makes reading more pleasant.

G. However, reading can greatly increase your life experience.