以下哪种高频电疗法的温热作用最深()
A.中波
B.短波
C.超短波
D.分米波
E.厘米波
参考答案:C
测量土层的剪切波速应满足划分建筑场地类别的要求,下列()是错误的。()
A.计算土层等效剪切波速和确定场地覆盖层厚度都与场地的实测剪切波速有关
B.若场地的坚硬岩石裸露地表可不进行剪切波速的测量
C.已知场地的覆盖层厚度大于20m并小于50m,土层剪切波速的最大测量深度达到20m即可
D.已知场地的覆盖层厚度大于50m并小于80m,土层剪切波速的最大测量深度达到50m即可
----------Do you know the _________about the writer?
----------Yes, he has _________for 2years.
A.die; died
B.death; died
C.die; been dead
D.death; been dead