段修时，低摩闸瓦与闸瓦托组装后，闸瓦和闸瓦托中部间隙不大于（_爱下问搜题

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问题单项选择题

段修时，低摩闸瓦与闸瓦托组装后，闸瓦和闸瓦托中部间隙不大于（）。

A.2mm

B.4mm

C.5mm

D.6mm

答案

参考答案：A

完形填空

John，an academically excellent young man，went to apply for a management position in a big company．The director did the last 36 ．
The director asked，“Who paid for your school fees?” John answered．“My 37 did．When I was young，my father 38 ．”Then he continued．“ 39 was your mother?” John answered，“My mother worked as a 40 cleaner．”Hearing this, the director asked John to 41 his hands．John reached out his hands that were 42 and perfect．The director said，“I have a 43 ．when you go home，clean your mother’s hands and see me tomorrow．”
John felt 44 but did it．His tears fell 45 he cleaned his mother’s hands．He noticed for the first time that her hands were so 46 ．Also John 47 that it was this pair of hands that washed clothes every day to 48 him．After cleaning his mother’s hands，John 49 washed all the remaining clothes for her．
Next day，John went to the director’s office. Tears in eyes，John was asked to 50 his feelings．“Now I know what is 51 ．Without my mother，there wouldn’t be the 52 me today．By helping my mother，I see how 53 it is to get something done．I have also come to know the value of family relationship．”
The director smiled，This is what I am 54 ．I want a person who can appreciate the help of others，a person who knows the sufferings of others and a person who 55 put money as his only goal in life．You are hired．”

B．passed away

A．embarrassed

A．appreciation

B．cooperation

C．qualification

D．communication

A．looking through

B．looking for

D．looking into

单项选择题

新训驾驶员培训时间不少于4个月，每天训练（）小时，教练车与学员的比例不大于1：10，训练期间每个学员实际驾驶里程不少于1500公里。

A.5

B.6

C.7

D.8