按照板块构造学说的观点,结合如图判断,下列说法正确的是( )
A:①山脉会消失
B:②山脉会消失
C:红海会缩小
D:地中海会缩小
-- Could you tell me __________ yesterday?
-- Because my bike was broken on my way here.
根据提示默写。
2﹣1的倒数为( )