He is 1) __________ with his work as usual. He works in one of the world’s 2) __________ companies, which is quite demanding. He’s been working in this company for 3)__________ years. He gets a lot of 4) __________ at work.
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举一反三
【简答题】一定量的单原子分子理想气体,从初态 A 出发,沿图示直线过程变到另一状态 B,又经过等容、等压两过程回到状态 A。则 B → C 过程中系统内能的增量 ΔU = J。