同步发电机的电压变化率的大小与负载的（）和（）有关。
参考答案：大小；性质
艾宾浩斯遗忘曲线告诉我们，如果过了很长时间直到考试前复习，就几乎等于重新学习，所以为了学习不被遗忘，在学习后要__________复习。
用括号内所给词的适当形式填空。
1. We need _______ (peace) world. We hate wars.
2. Paris is one of the (live) cities in Europe.
3. I'd like to go somewhere (relax).
4. Why not (consider) visiting Singapore?
5. After a whole day's work, I feel very (tire).
6. Hawaii is too (tour), and there always arc many people.
7. Which is_________ (light), a computer or a TV?
