【简答题】双层经营体制包括多方面的统与分,其中主要有______的统与分;______的统与分;______的统与分和______的统与分等几个方面。
【简答题】.计算与化简(本题满分8分,每小题4分) ⑴ ⑵
【简答题】化简与计算:(每小题4分,共12分) ① ② ③
【简答题】面分( )与( ),线分( )与( )。
【简答题】Translate the following sentences into Chinese. 1 . Engine is the power source of the automobile. Power is produced by the linear motion of a piston in a cylinder. 2 . The fuel system works according ...