A-A+
General acceptance of 3-D films may prove hard
问题详情
General acceptance of 3-D films may prove hard to come by, as the experience of three decades ago indicated.
A．obtain
B．explain
C．understand
D．discern
参考答案
正确答案：A
解析：obtain达到，得到；explain解释，说明；understand懂，了解；discern目睹，认识；come by来临，达到。
