为加快文件的传递，可采用( )
A．逐级行文
B．多级行文
C．越级行文
D．直接行文
参考答案：B
－I heard Mary was ill last week. Does she go to school today? －Yes, she is .
A．enough health
B．health enough
C．enough healthy
D．healthy enough
下列腧穴中，孕妇应该禁针的是
A．曲池B．肩井C．大椎D．肩髃E．足三里
