当正压式空气呼吸器发出报警声时，使用者应（）离开现场。
A、立即
B、听监督指挥
C、根据当时实际情况决定是否
参考答案：A
用所给词的适当形式填空。
1. She was _______ (bad) hurt when she fell off the tree.
2. I hope you will _______ (cover) soon.
3. He has been one of Dr. Clarks' _______ (patient) for many years.
4. The teacher walked into the class so _______ (quiet) that no one noticed him.
5. Comrade Lei Feng has been ______ (die) for many years.
新课程把教学过程看是（）。
A、师生交往、积极互动、共同发展的过程
B、课程传递和执行的过程
C、教师的教与学生的学的过程
D、是知识传授与学生能力发展的过程
