与漫画《优惠？》蕴含的寓意相同的成语是 （ ）
①求真务实
②讳疾忌医
③乔装打扮
④文过饰非
A．①②
B．②③
C．①④
D．③④
答案：D
He was going to put some signs old books.
A．up; asking to
B．up; to ask for
C．on; to ask to
D．down; asking for
SHA-1算法产生的输出是一个（）比特长的消息摘要。
