问题
选择题
________ parents may have a stronger desire to see their children step into the world of ________.[ ]
A．Poor; rich
B．The poor; rich
C．Poor; the rich
D．The poor; the rich
答案
答案：C
搜题请搜索小程序“爱下问搜题”
________ parents may have a stronger desire to see their children step into the world of ________.[ ]
A．Poor; rich
B．The poor; rich
C．Poor; the rich
D．The poor; the rich
答案：C
在做“观察水的沸腾”的实验中，小刚同学按实验步骤进行了正确操作，他得到的实验数据如下表所示：
| 时间/min | …… | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 水温/OC | …… | 95 | 96 | 97 | 98 | 99 | 99 | 99 |
（2）发现从开始加热到沸腾的这段时间过长，造成这种现象的原因可能是_________(给出一种原因即可)，解决的办法是__________________。