_______ helps governments and families make the world a better place for children
A:ORBIS
B:WWF
C:Oxfam
D:UNICEF
— Are those shoes yours?
— No, they aren't.
— Whose shoes are they, ?
— They are Tom's.
把重6N、密度为0.8×103 kg/m3的实心物体投入水中.当物体静止时,物体处于____ 状态(填“漂浮”、“悬浮”或“沉在水底”),物体所受的浮力是____ N,物体排开的水重是____ N. (水的密度为1.0×103 kg/m3)
下列说法正确的是( )①北半球比南半球陆地多 ②南半球比北半球陆地多③东半球比西半球陆地多 ④西半球比东半球陆地多
- Who did Mary dream about one night? ( )
- __________________