_____alltherepresentativesstillnotthere，themeetingwaspostponedforseveralhours.
A、Because
B、With
C、By
D、Without
Hedrovefastandarrivedanhour_____ofschedule.
A、inadvance
B、ahead
C、abreast
D、infront
A、胸骨左缘第4肋间隙锁骨中线外1~2cm处
B、胸骨左缘第4肋间隙锁骨中线上初
C、胸骨左缘第5肋间隙锁骨中线外1~2cm
D、胸骨左缘第5肋间隙锁骨中线内05~1cm
A、体液占体重的比例越高
B、细胞内液量越多
C、每日水的交换量相对越少
D、体液调节能力越强
Manypatientsinsistonhavingwatcheswiththeminhospital,______theyhavenoschedulestokeep.
A、since
B、eventhough
C、so
D、asif