China’s hurdler Liu Xiang was disqualified due to false start in the 60-metre event, _____ his rival Dayron Robles of Cuba an easy win of 7.66 seconds.

A．giving

B．given

C．to give

D．gave

正常妊娠38周时的羊水量约为

A．500～800ml
B．800～1000ml
C．1000～1500ml
D．1200～1600ml
E．1500～2000ml