If you look at the word Christmas, you can see the word Christ in it. On Christmas, people celebrate (庆祝) the birthday of Jesus Christ.
Of course (当然) not everyone in America thinks Christ a great man, but Christmas is a holiday for all the people. It’s on December 25. Shops and schools are not open. Almost (几乎) every family has a Christmas tree in the house. People make their Christmas trees very beautiful. They put many colored bulbs on the trees. The bulbs make the trees more beautiful at night. They also put some dolls, balls and small animals on the trees. On Christmas day almost everyone gives gifts to others and also gets gifts from others.

将学生日均课外体育运动时间在40，60）上的学生评价为“课外体育达标”．

参考公式：k²= $\frac{n{\left(ad-bc\right)}^2}{\left(a+b\right)\left(c+d\right)\left(a+c\right)\left(b+d\right)}$ ，其中n=a+b+c+d．

参考数据：

开展公民道德建设，必须把先进性要求与广泛性要求结合起来。下列对二者关系认识正确的是         （  ）

①广泛性要求是先进性要求的前提和基础   

②先进性要求是广泛性要求的方向和趋势

③广泛性要求与先进性要求相辅相成       

④广泛性要求是对先进性要求的升华