1．An amusement park has a collection of scale models,with ratio 1：20，of buildings and other sights from around the country.The height of the United States Capitol is 289 feet.What is the height in feet of its replica at this park,rounded to the nearest whole number？（　　）
一個(gè)游樂園有一系列的縮比為1：20的建筑和其他國內(nèi)景點(diǎn)的比例模型。美國國會(huì)大廈的高度是289英尺。在這個(gè)公園，它的復(fù)制品的高度是多少英尺，四舍五入到最接近的整數(shù)？（　?。?/div>

2．If the degree measures of the angles of a triangle are in the ratio 3：3：4，what is the degree measure of the largest angle of the triangle？（　?。?br />如果一個(gè)三角形的角的度數(shù)之比是3：3：4，那么這個(gè)三角形的最大角的度數(shù)是多少？（　　）

3．There are four more girls than boys in Ms.Raub's class of 28 students.What is the ratio of the number of girls to the number of boys in her class？（　?。?br />在Raub老師的班級(jí)中，共有28名學(xué)生，其中女生比男生多4人。她班級(jí)中女生和男生的比例是多少？（　?。?/div>