矿山安全技术
我国《煤矿安全规程》规定,采用的冲击危险程度监测和解危措施效果检验的主要方法是( )。
A.综合指数法
B.声发射和微震监测方法
C.钻屑法
D.隔离法
参考答案:C
7. ------ We should save some food for _____ who arrives late.
------- There is no need. _____ is here.
A.anyone; Everyone
B.everyone; Anyone
C.anyone; Anyone
D.everyone; Everyone
勘察合同采用定金担保,发包人向勘察人支付预计勘察费总额的( )作为定金。
A.10%
B.15%
C.20%
D.25%