简述儿童思维发展的一般趋势。
肉品加工
某投资者购买了50000美元利率挂钩外汇结构性理财产品（一年按360天计算），该理财产品与LIBOR挂钩。协议规定：当LIBOR处于2％一2.75％区间时，给予高收益率6％；若任何一天LIBOR超出2％一2．75％区间，则按低收益率2％计算。若实际一年中LIBOR在2％--2．75％区间为90天，则该产品投资者的收益为（）美元。 ["750","1500","2500","3000"]
It takes a lot of time and effort to develop and maintain a marketing campaign that resonates（ 共鸣）with your potential clients. However， you should think more about how to develop amarketing campaign. After all， we’re always looking for ways to increase our competitiveness. Here are some marketing strategies for you to check out.
Partner（结伴）with allies. Marketing partnerships have many benefits to push a marketing campaign. For starters， when you stand side by side with someone else， you can
deliver better content. If you are at the top of your business， marketing partnerships are cheaper to maintain your success and expose your brand.
Embrace user-generated content. According to a survey of 839 millennia’s （千万富翁）， they spend 5.4 hours a day communicating with their peers， about 30 percent of their total media time. Similarly， you can also make this by sharing personal stories and exchanging ideas with your customers. This is a good way of carrying out advertisement.
Help customers solve a problem. As perfectly stated on Hubs pot，“You”re in business because you provide solutions.”Some of the ways you can help customers solve a problem is by： creating how-to-content； offering exclusives that make their lives easier； listening to them or answering their questions； or creating APPs or tools.
Let customers interact. No matter the product or service you’re offering， your
customers want to interact with your company， or at least other customers. AMC， for example， created an online tool that allowed you to write down your imaginations. American Express connects small？ business owners to each other and helpful resources through its open forum.Which of the following is NOT a way of helping customers solve a problem？（） ["creating how-to-content","listening to customers","having dinner with customer"]
以下哪些说法是正确的？（） ["显示URL是可以设置大写字母的，显示URL和跳转URL中的主域名可以不一致","在关键词的出价一栏中，使用推广单元出价的关键词出价用加粗字体表示","使用“鲜花快递”（中间有个空格）搜索时，设为精确匹配的关键词“鲜花快递”和“鲜花快递”（中间有个空格）都有展现机会","使用"鲜花快递"搜索时，设为精确匹配的关键词“鲜花快递”和“鲜花快递”（中间有个空格）都有展现机会"]
简述依恋的特征。
