问题 多项选择题

若存在()情况时,包装线设备则必须配置自动紧急停车开关。

A.发生事故或出现设备功能紊乱时,不能迅速通过停车开关来终止危险的运行

B.不能通过一个开关迅速中断若干个能造成危险的运动单元

C.由于切断某个单元会导致其他危险

D.在操纵台处不能看到所控制的全貌

E.人员误入,并会造成人员伤害的区域

答案

参考答案:A, B, C, D, E

单项选择题
翻译题

根据汉语意思完成句子.

1.你上课应该认真听讲.                                                          

   You__________ _________ __________ listen carefully in class.                

2.他说他不再生汤姆的气了.                                                      

   He said he_________ _________ mad at                                          

   Tom___________.                                                              

3.请给汤姆捎个口信.                                                            

   Please _________ ________ _________Tom.                                      

4.杰克告诉鲍勃把作业带到学校.                                                  

  Jack told Bob to __________homework_________ school.                          

5.北京是中国最大的城市之一.                                                    

   Beijing is____________ __________ ___________ ___________ __________ in China.

6.并非每个人都能成功.                                                          

   __________ __________can be successful-                                      

7.姚明理应获胜.                                                                

   Yao Ming_________ _________ _________ win.                                    

8.我发现学好英语真是太难了.                                                    

   I find it__________ _________ __________ learn English well.