桥梁基础按其埋深分为哪两类？
参考答案：
桥梁基础根据其埋深分：浅基础和深基础。
—Please tell Nana she has won the first prize in the teaching skill contest in April.
—_________! She never did so well before.
A．Congratulations
B．Good luck
C．That’s right
D．What a good surprise
一等品掺速凝剂净浆及硬化砂浆的不符合性能要求的是（）
A、净浆初凝时间/min（s）≤3：01
B、净浆终凝时间/min（s）≤8：00
C、砂浆1D抗压强度（MPA.≥7.0
D、28D抗压强度比（%）≥70
