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【单选题】
热稳定物质干燥失重测定时,通常选用哪种方法?A.
恒压恒重
B.
恒压恒温
C.
减压恒温
D.
减压常温
E.
常压恒温
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【简答题】The workers felt angry that their manager was trying to escape his (responsible) __________.
【简答题】计算题：有一管道全长150米，线膨胀系数a=14×10-6m/m.℃，管子冷态时温度20℃，热态540℃，如在管道上安装弯曲管补偿器，问冷拉长度为多少？（冷拉长度为补偿长度的60%）
【简答题】单词拼写（本题有9小题，每小题1分，共9分） 小题1:We’ll be able to finish the project _________（容易）. 小题2:Excellent teachers are usually _______ (感兴趣) in their students. 小题3:China is getting richer and stronger in the new __...
【单选题】有一管道全长 150m ,线膨胀系数为 0.012mm /(m· °C ) ,管子冷态时温度为 20 °C,热态时为 80 °C,那么该管道热伸长量为( ) mm 。
A.
144
B.
108
C.
78
D.
36
【单选题】__________ for the terrible accident, as the workers thought, the director felt nervous and was at a loss what to do. [ ]
A.
Having blamed
B.
To blame
C.
Being to be blamed
D.
Being to blame
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