题目

阅读下面材料，在空白处填入适当的内容（1 个单词）或括号内单词的正确形式。Weddings are generally considered personal events, but some couples in India are more than happy to have strangers all over the world attend【1】(they) traditional weddings, for a fee.【2】(pay) hundreds of dollars to attend the wedding of two strangers in a【3】(total) foreign country may seem strange to some people, but according to a company specializing in wedding tourism, it is “the【4】(culture) immersion ( 渗 透 )” for tourists to experience many elements of Indian cu配制500 mL 0.0500 mol·L-1的Na2CO3溶液，不需要的仪器有A．500 mL容量瓶B．锥形瓶C．烧杯D．玻璃棒