在土方施工中，检验土壤施工密实程度的指标是（）
A、土壤的相对密实度
B、土壤的密度
C、土壤的可松性
D、土壤的含水量
参考答案：A
— ________?
— Wonderful. It's years since I enjoyed myself so much. [ ]
A. Did you go to the party
B. What was the party like
C. Is it wonderful
D. Do you like the party
2.2 g化合物A含有3.01×1022个A分子，则A的相对分子质量为[ ]
A. 11
B. 22
C. 44
D. 44 g/mol
