水泥砂浆密度试验,当砂浆稠度大于60mm时,可以不用振动,直接插捣即可。()
参考答案:对
绝经后2~3年的妇女,其尿中促性腺激素的含量是 ()
A.不变
B.增高
C.逐渐减少
D.变化不定
E.骤然下降
your moving out of the twenties, we are giving you a marvelous birthday party.
A.In favour of
B.In honour of
C.In need of
D.In terms of