与20°E组成经线圈的经线是( )
A:160°E
B:80°W
C:160°W
D:180°
在载玻片上画一个“↗”符号,用低倍镜观察时,在视野内所见的图象是( )
Not only you but also he ____good at _____.
On my _____ birthday I got a computer from my parents.