I feel belittled by my boyfriend

We have been dating a year and he has always done this. He will ask me questions like "name 5 cities in russia" and if I don't know he will be like woooow. I am a dancer and have worked very hard as a dancer my whole life. He came to watch one of my dance classes and I thought he would be impressed or something. But after all he said was I'm gonna check the score. And the said my class didn't look hard. I found that so insulting because dance is my life. I've always been a supportive girlfriend to him. When I've expressed I was upset he just says " girls are emotional". What do I do. He doesn't understand. He makes me feel like just some whiny girlfriend. Help :(
I feel belittled by my boyfriend
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