—Yes. Some of them are good and the film Transformers: The Last Knight, is excellent.
影响我国北方大部分地区农业发展的最主要问题是( )
下列各式中,是方程的为( ).
①2x-1=5 ②4+8=12 ③5y+8 ④2x+3y=0 ⑤2x2+x=1 ⑥2x2-5x-1