收费站承诺服务工作规范里为您服务的内容是什么？
参考答案：
为您服务：免费提供交通指南、供应开水、维修工具、应急药品、针线包。
People were ______ to see the teachers put on the play in such a professional way. [ ]
A. shocked
B. exhausted
C. confused
D. amazed
美术课程的性质与价值是什么？
