mín zú
chuànɡ zào
liáo kuò
dǎo yǔ
xīnɡ luó qí bù
____
lǒnɡ zhào
xún wèn
zhì liáo
āi shānɡ
yí xiè qiān lǐ
用反证法证明命题“三角形的内角至多有一个钝角”时,假设的内容应为( )
商鞅变法措施中,对当代行政管理制度也有重要影响的是( )
— How long have you been here?
—About half an hour, Jack ______me here.