Each week he tried to _____________ a few dollars for an overseas trip.

A．set apart

B．set aside

C．set about

D．set out

在尿比密测定时，如尿液温度低于指定温度3℃，则其结果应( )

A．增加0.001
B．减去0.001
C．增加0.003
D．减去0.003
E．增加0.004