紧急情况下当场实施行政强制措施的，无须补办批准手续。
参考答案：错
It is reported that _________ schools are improving their IT environment.
A．a great many
B．a great deal
C．a large amount of
D．a large part of
岩基稳定性分析一般采用下面哪一种理论？（）
A.弹性理论
B.塑性理论
C.弹塑性理论
D.弹塑黏性理论
