报关员在填写报关单时有申报不实行为，其责任应由报关员本人承担，其所在报关单位不必对此类报关行为负法律责任。 ( )
参考答案：错
—Did Lucy have a good time?
—Yes. She enjoyed ______very much. [ ]
A. himself
B. herself
C. themselves
D. itself
羊水卵磷脂/鞘磷脂比值为多少时，提示胎儿肺不成熟（）
A.<1
B.<2
C.<3
D.<5
E.<6
