冷光灯的发明是模仿( )
A:乌龟的背甲
B:萤火虫发光
C:蝙蝠的回声定位
D:长颈鹿的血液循环
下列有关我国地形地势的说法,其中不正确的是( )
(____)A. Orange, orange. Sit down.
(____)B. Black, black. Stand up.
(____)C. White, white. Touch the ground.
(____)D. Brown, brown. Turn around.
(____)E. Red, red. Carry your bag.