当x=____时，2x﹣3与$\frac{5}{4x+3}$的值互为倒数．

It's true that beauty does not always meet with a single, uniform standard. A person's cultural background, for example, may influence __________ he or she find attractive in others.

假如你叫Jack, 想报名参加音乐俱乐部，请你根据表格中的内容，介绍一下你个人的情况，兴趣、爱好和能力等。