问题 单项选择题

电梯井内防护应不超过()m设置一道安全平网。

A、10

B、15

C、18

D、20

答案

参考答案:A

多项选择题
填空题
短文填空
        阅读下面短文,根据以下要求:1)汉语提示;2)首字母提示;3)语境提示, 在每个空格内填入
一个适当的英语单词, 所填单词要求意义准确、拼写正确.
                                                                                                                                                                                                                                                                                                                                    
     Recently, there has been a heated debate over whether to send
old people to nursing homes or not. People differ in their   
o          . Here list the ideas of supporters.1.                  
 L          in nursing homes, as they say, old people 2.                  
can enjoy more benefits             staying at home.3.                   
For one aspect, they can have more opportunities to
         (交流) with each other, as they have     4.                
c         topics and similar hobbies. Therefore,5.                
 they can do many things together and don't feel              (孤独). 6.                 
On the other hand, if they live at
home, they may quarrel          their children because 7.                 
of the generation gap between them. Another aspect ,           is 8.                
highly valued by the supporters, is that old people can
have               (定期) medical check-ups and  9.                  
r           immediate medical care from professional doctors.  10.