If you want to learn a new language, the very first thing to think about is why. Do you need it for a 1 reason, such as your job or your studies? 2 perhaps you're interested in the 3 ,films or music of a different country and you know how much it will help to have a 4 of the language.

    Most people learn best using a variety of 5, but traditional classes are an ideal（理想的）start for many people. They 6 an environment where you can practice under the 7 of someone who's good at the language. We all lead 8 lives and learning a language takes 9. You will have more success if you study regularly, so try to develop a 10. It doesn't matter if you haven't got long. Becoming fluent in a language will take years, but learning to get by takes 11.

    Many people start learning a language and soon give up. “I'm too 12” they say. Yes, children do learn languages more 13 than adults, but research has shown that you can learn a language at any 14. And learning is good for the health of your brain, too. I've also heard people 15 about the mistakes they make when 16. Well, relax and laugh about your mistakes 17 you're much less likely to make them again.

    Learning a new language is never 18. But with some work and devotion, you'll make progress. And you'll be 19 by the positive reaction of some people when you say just a few words in 20 own language. Good luck!

如图，已知AB∥CD，若∠A=25°，∠E=40°，则∠C等于（　　）