题目

    根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 In the 60s, people asked about your astrological (about star) sign. In the 90s, they want to know your website.   71   Your website is an electronic meeting place for your family, friends and potentially, millions of people around the world. Best of all, you may not have to spend a cent. The Web is filled with all kinds of free services and all it takes is some time and creativity.   72  Like the table of contents of a book or magazine, the home page is the f5．当m＞-1时，抛物线y=（m-2）x2+（m-2）x+m+1与y轴的交点在x轴的上方．