土体固结试验单轴固结仪法中,当不需测定沉降速度时,则施加每级压力后(),测记试样高度变化作为稳定标准。
A.12h
B.24h
C.48h
D.72h
参考答案:B
Even if I had taken part in the 400-meter relay race in the sports-meet, our class___________ the race. I’m ________ weight this year.
A.might not have won; gaining
B.would not have beaten; putting on
C.can not have defended our title; losing
D.must not have achieved; acquiring
第2类声环境功能区执行的环境噪声昼夜标准值分别是( )。
A.50 dB,40 dB B.60 dB,50 dBC.55 dB,45 dB D.65 dB,55 dB