政府绩效信息的“四化”？
参考答案：
政府绩效信息的公开化、全真化、实效化、电子化。
A number of tourists _________ Yangzhou many times because it is such a beautiful city.
A．has been to
B．have been to
C．has gone to
D．have gone to
简述《质量技术监督封条》执法文书的含义。
