After arriving in New York, the Chinese college student found it rather hard to _______ living on his own.[ ]

A．rely on  

B．bring up

C．depend on  

D．adjust to

妊娠后半期羊水的重要来源是

A．羊膜的透析
B．胎儿皮肤的透析
C．胎儿的尿液
D．脐带表面的透析
E．胎儿呼吸道黏膜的透析