国家针对气瓶产品设计环节实行（）制度。
A、设计许可
B、设计文件鉴定
C、监督检验
参考答案：B
Lei Feng will ________ his spirit of devotion to others without any thought of himself. [ ]
A. remembered for
B. be remembered
C. remember
D. be remembered for
患者，男，45岁。素有酗酒史。四肢酸软，身体困重微肿，尤以下肢为甚，午后发热，胸脘痞闷，小便短赤，舌红苔黄腻，脉细数。其诊断是
A．痹证B．中风C．痿证D．痉证E．肺痈
