问题
填空题
疏水器前的过滤器或自身带的过滤器，其通流面积不得小于通道面积的（）倍。
答案
参考答案：1.5
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疏水器前的过滤器或自身带的过滤器，其通流面积不得小于通道面积的（）倍。
参考答案：1.5
Every school has its own rules. In some schools in America, students __1__ chew gum(口香糖). Some schools in Britain don’t let their __2__ have strange hairstyles. However, one __3__ is very popular around the world: students __4__ to wear uniforms on schooldays, but many students don’t like to wear the school uniforms. They think the uniforms are the ugliest __5__ in the world, but schools don’t let their students wear __6__ own clothes at school. Some students draw cartoons or some famous singers on their __7__. They think it is very __8__ that everyone wears the same clothes. What do you think ___9__ it? Do you __10__ your school uniform?
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