h0÷0=四（厘米），
答：正方形的边长是四厘米．
故选：B．
After the recovery, he decided to send his thanks to the doctor, who ________ him ________ the disease.
A．treated; for
B．cured; for
C．cured; of
D．treated; of
土试样湿密度2.085g/cm3、含水量11.2%，则土样干密度（）。
A.1.88g/cm3
B.2.08g/cm3
C.1.85g/cm3
D.2.0g/cm3
