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【简答题】
It is established beyond controversy that the shipping company is responsible for the damage of the goods in transit.
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举一反三
【单选题】What is implied but not stated in the passage is that in the past
A.
blue-collar workers made a better living than white-collar workers
B.
college and graduate schools trained more skilled workers
C.
there were more white-collar workers than blue-collar workers
D.
there were less white-collar workers than blue-collar workers
【简答题】电热器具中常用的温度控制元件有: 、 、 、 、 、 。
【简答题】常用的控制电路有____和____两种形式。控制元件主要使用____或____。
【简答题】在气压传动中，常见的控制元件有气动方向控制阀、气动（）控制阀和气动（）控制阀。（答案之间一定要用汉字“与”间隔）