下列各点中没有阳光直射现象的是( )
A:赤道,东经30度
B:南纬10度,东经50度
C:北纬20度,西经80度
D:北纬80度,西经20度
In summer, it is . ( )
The teacher often tells Jim and David _______ too much time _______ computer games.
已知全集U={0,1,2,3,4,5},集合M={0,3,5},N={1,4,5},则集合M∩CUN等于( )