医疗广告中禁止出现的内容有（）
A.保证治愈的内容
B.宣扬迷信的语言文字
C.贬低他人形象的内容
D.自称是祖传秘方的内容
参考答案：A, B, C, D
All the students went to see ______ with her.
A．what the matter was
B．what was the matter
C．what wrong was
D．what was the wrong
闸阀安装形式分为（）连接和（）连接
