现行部颁概算定额中,疏浚开挖定额已包括()在内,工程量按设计开挖断面几何尺寸计算。
A.施工损耗量
B.漏挖量
C.超挖量
D.回淤量
E.设计量
参考答案:C, D
马铃薯富含淀粉,检测马铃薯中含有淀粉所用的试剂是( )
A.石蕊试液
B.碳酸试液
C.硝酸银溶液
D.碘水
Both Jim and Kate _____ in Beijing now. They both _____ from America. [ ]
A. is ; come
B. are ; come
C. is ; comes
D. are ; comes