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【简答题】
运输业的产品是旅客和货物的 ,单位是“人.km”、“t.km”,为了统计的方便,一般应采用换算 。
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举一反三
【单选题】Listen to two students comparing marriagecustoms in their countries and choose a, b, or c. 30 曲目 30.mp3: I In traditional Indian families the bride and groom used to meet for the first time at the
A.
marriage
B.
girl’s home
C.
boy’s home
【单选题】下列各项中不属于车间维修注意事项的有
A.
油液、工具、配件三不落地
B.
维修技师需要根据任务委托书进行车辆维修
C.
禁止客户随便进入车间观看车辆维修
D.
遇到车辆需要增项的时候第一时间联系相关人员
【单选题】CET4.mp3: Part II Listening Comprehension (30 minutes) Section A Directions: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions...
A.
The man in the car was absent-minded.
B.
The test driver made a wrong judgement.
C.
The self-driving system was faulty.
D.
The car was moving at a fast speed.
【简答题】恒摩尔流假设的前提是1( ),2忽略( )的变化对摩尔饱和液体焓及摩尔汽化潜热的影响,其意义在于使得逐板计算过程大大简化,只需( )。
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