已知方程3x-2y=5，用含x的代数式表示y，则y=______．
要到微信小程序或APP查看答案哦。
实在点不开答案，可以分享到微信，
在微信里面查看答案。
APP具体操作流程为：
People around the world celebrate the new year. However, not all countries celebrate in the 46 way. When it is the New Year, people celebrate for several days. In some countries, the New Year is not on the same date every year. It can depend 47 the seasons, the moon or the sun. In many countries, New Year begins on January1st, but people start celebrating on December 31st, New Year’s Eve. In New York, many people go to celebrate in Times Square. While they’re waiting for the New Year, they 48 music, sing traditional songs and have fun. Just before 12 o’clock, everyone 49 down from 10, 9, 8 … As soon as it’ s 12 o’clock, everyone shouts very loudly, “Happy New Year!” and they say, “Out with the old year and in with the new!” Suddenly there 50 fireworks and special drinks. Sometimes people sing an old song 51 “Auld Lang Syne”. New Year’s Day is often a family day. Some people relax at home. Some families get together for a special 52 with grandparents, aunts and uncles. When the weather is 53 , many families go out for a walk. On New Year’s Day, many people make resolutions for the new year. They write down a list of things, such as “I will help out more at home. I will work harder at school.” Or “I won’t spend so much time 54 video games.” When they have made their list, they read it to their family or friends. So it does not matter how they celebrate, for people in countries all over the world, it is a time to 55 goodbye to the old year, and to welcome the new.
|
| 下列物体中，质量最接近50kg的是（ ） A．一个中学生 B．一枝钢笔 C．一个鸡蛋 D．一只老母鸡 |
下列实验对应的结论或操作正确的是
| 实验 或操作 | ||||
| 结论或操作 | 实验结束后残液从d口倒出 | 白色沉淀 为BaSO3 | 实验结束后先撤酒精灯再撤导气管 | 制备Fe(OH)2 并观察其颜色 |
| 选项 | A | B | C | D |
技术分析为证券定价的方法主要是预测持有该证券的现金流，并将现金流贴现。
小儿P波的特点有什么？