【单选题】Which floor is her apartment located on?
A.
It's on the ground floor.
B.
It's on the second floor.
C.
It’s on the third floor.
D.
It’s on the fourth floor.
【单选题】Don’t let ruin your holiday. A. bad experience B . a bad experience C. bad experienced D. a experience
【单选题】盾构始发掘进前,下列说法错误的是:( ).
A.
盾构始发掘进前应对洞门经过改进的土体进行质量检查,合格后方可始发掘进。
B.
应制定洞门围护结构的破除方案,采取适当的密封措施,保证始发安全。
【单选题】He is a success as a leader but he hasn't _______ in teaching. A. many experiences B. much experience C. an experience D. a lot experience
【单选题】But too much of that lengthened experience,even in the wealthy West,will be experience of poverty and neglect,______we do something about it.
【单选题】在二维变换中,比例变换矩阵中( )会导致变换后的图形发生变形。
【单选题】关于Python程序中多行注释的说法中,不正确的是____。