A:小于5N
B:大于5N
C:等于5N
D:无法判断
I still consider Jack as one of my best friends though ______ he did caused some ______ to his fame.
下列关于嗅觉形成的叙述中,正确的是( )
千辛万苦
辛——苦
心明眼亮
____
日积月累
山穷水尽
皮开肉绽
粉身碎骨
划线的两个字意思相____