问题 多项选择题

影响铁路运输成本控制的要素包括()。

A.定额制定

B.定量制定

C.标准化

D.制度建设

E.员工培训

答案

参考答案:A, C, D

句型转换

将下列句子改成否定句和一般疑问句并作肯定和否定回答。

1、At the moment, Tom is playing the piano.

                                                               

                                                               

                                                               

 2、Listen, they are speaking French. 

                                                    

                                                   

                                                    

3、 Liu Ming is skating in the sports hall now. 

                                                                

                                                                

                                                                

4、Su Yang is catching insects. 

                                            

                                            

                                            

5、I am doing my homework now. 

                                                 

                                                 

                                                 

6、 They are walking to the park. 

                                               

                                               

                                               

7、 The little boys are learning to ski. 

                                                    

                                                    

                                                    

判断题