外观设计的保护期限是()
A.10
B.15
C.20
D.30
参考答案:A
下列四个地点中,有阳光直射的是( )
A.上海(约31°N)
B.北京(约40°N)
C.海口(约20°N)
D.厦门(约24°N)
The public ____ Yuan Longping, a great mind who has devoted himself to the research into hybrid rice(杂交水稻).[ ]
A. live up to
B. look up to
C. come up with
D. put up with