【单选题】The old man stood there, _______ .
A.
with back against the wall
B.
with his back against the wall
D.
his back was against the wall
【简答题】在△ABC中,AB= ,AC= ,BC=1.求证:∠A≠30°。
【单选题】The old man stood there, ____.
A.
with back against the wall
B.
with his back against the wall
C.
and back against the wall
D.
his back was against the wall
【判断题】商业银行最古老最常见的风险是战略性风险。( )
【判断题】商业银行最古老最常见的风险是战略性风险。
【简答题】设A、B、C、D、E为五个共线点,求证:(AB,CD).(AB,DE).(AB,EC)=1.
【判断题】旅游大数据在旅游信息加工、旅游市场挖掘、旅游线路优化、旅游目的地推广和旅游学术研究上具有很大的发展空间。
【单选题】The old man stood there,__________.
A.
with back against the wall
B.
with his back against the wall
C.
with back against wall