如图,经鼻气管插管正确的插入方向是()
A.与病人冠状面平行插入
B.与矢状面呈45°角
C.保持水平方向插入
D.与面部作垂直方向插入
E.向对侧倾斜10°插入
参考答案:D
Our new first lady, Peng Liyuan, universally ________ to be fabulous and reflect the image of a large country, _________ to show more concern about the interests of the people.
A.regarded; was expected
B.considered; having expected
C.acknowledged; is expected
D.seen; to expect
DES加密算法采用的密钥长度和处理的分组长度是( )。
A.64位和56位
B.都是64位
C.都是56位
D.56位和64位