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如图所示是一种液面升降监测装置原理图.点光源S发出的一束激光与水平液面成50°角射向平静的液面,则入射角为____°;光经液面反射后射到液面上方水平标尺上的S′点,当液面下降时,光点S′将____(选填“向左”、“向右”或“不会”)移动.

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40,向右

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    While some lucky people are born with the gift of artistic power, others have to study to become fluent in the language of art.____ If the artistic path is calling you, begin the journey with tiny steps and follow it. Here are some ways to show you how to become a true artist.

    Try a generous choice of differing forms of art. If you have never spent much time creating art, it may feel challenging to try to become an artist.____They just need to express their creative ideas in a great way. If there is a specific type of art you would like to learn more about, go for it, but don't be afraid to branch out and try other forms as well. Some of the most basic forms of art include drawing, painting, sculpting, and photographing.

    Do your research and learn the basics.____ Learn as much as you can about the medium-read books and articles, watch educational videos, and research various methods and other artists. One of the best ways to learn is by studying the work of others who have come before you. If you put effort, it is completely possible to teach yourself how to be a great artist. Need help?____ I'll work for sure.

    ____Many artists devote their lives to creating art. While you do not have to spend every single second of your day working on a painting, do try to dedicate some time each day (or every other day) to working on your project, whatever it might be.

A. Make creating art your favorite.

B. Make time for your art every day.

C. The truth is that all people are artists.

D. Pick up some books on your chosen form(s).

E. You can always further your research with an art class.

F. A key part of being an artist is observing the world around you.

G. Whichever path you are on, be clear that everyone is an artist.