教师指导的频率越高，越有助于儿童游戏水平的提高。
参考答案：错
解析：
教师的指导过多与效率的高低不一定成正比。
根据句意及所给首写字母，写出单词的正确形式。
1. He works as a w in this restaurant.
2. — What l do Americans speak?
— English.
3. She sits b Lee and Sarah.
4. He is too lazy. He often s during the day.
5. There is a big s near my home. Let's buy some food there.
烧结过程中，当水汽分压（）饱和蒸汽压时，废气中的水汽就开始在冷料表面上发生冷凝。
A.低于
B.大于
C.等于
