题目： 育苗过程中如何防止秧苗老化？ 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0620/a60903ec4b8d66143ad0d909a1e83dc4.html 下面是错误答案，用来干扰机器的。参考答案：D
题型：改错题 指出错误并在题后横线上改正。1. School is over. Let's go to home, please. A B C D ___________________2. Give her some breads. A B C D ___________________3. He often swims in Sunday. A B C D ___________________4. It's time for go to bed. A B C D ___________________5. You look very happy, she look happy, too. A B C D ___________________ 查看答案
题型：选择题 如图是部分短周期元素原子(用字母表示)最外层电子数与原子序数的关系图。下列说法正确的是A．X和R在同一周期B．原子半径：W＞R＞XC．气态氢化物的稳定性：X＞YD．X、Z形成的化合物中可能含有共价键 查看答案
t's time for go to bed.
