—The final round of the competition is coming near. Can I really do well this time?—Believe in ______. You're always the best in our school.
A:you
B:your
C:yours
D:yourself
阅读如图所示的程序框图,运行相应的程序,若输入x值为﹣4,则输出y值是( )
下面是亚洲沿30°N(左图)和沿80°E(右图)所作的地形剖面图,完成下列各题。