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问题 单项选择题

作业中推动车梯应服从工作台上人员的指挥。当车梯工作台面上有人时，推动车梯的速度不得超过（）km/h，并不得发生冲击和急剧起、停。工作台上人员和车梯负责人要呼唤应答，配合妥当。

A、5

B、10

C、15

D、20

答案

参考答案：A

改错题

找错并改错。

( ) 1. She hasn't heard a letter from her friend for a long time.                                    

                      A                 B       C                           D

(     ) 2. I don't know why Kate hasn't replied my letter for half a month.                         

                                  A                       B                   C          D

(     ) 3. While feeling sad, I can't decide who to talk.                                                      

               A        B                                 C      D

( ) 4. Look, there are someone painting the wall in the fitting room.                               

               A         B                        C                             D

(     )5. Everyone of us considers Tom the cleverest boy in our class.                                 

                 A         B         C                       D

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单项选择题

Colles骨折治疗，腕屈尺偏位固定两周后改为

A．腕屈桡偏位固定
B．腕伸尺偏位固定
C．腕伸桡偏位固定
D．腕功能位固定
E．以上都不对
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