【判断题】【消耗次数：1】
吸热过程的特点是制冷剂状态由液态变化到气态,此时压力不变,即在定压过程中进行这一状态的变化。()
①
正确
②
错误
参考答案：
复制
纠错
➡️如需代学继续教育，联系微信：yizhituziang
相关题目
【单选题】
气体在状态变化过程中，可以保持体积不变或保持压强不变，这两种过程（）
①
一定都是平衡过程
②
不一定是平衡过程
③
前者是平衡过程，后者不是平衡过程
④
后者是平衡过程，前者不是平衡过程
【简答题】
从制冷装置的运作情况看,制冷过程中热量的转移是靠液体的状态变化实现的,我们将这种液体称为[填空]。
随机题目
【判断题】
判断线上的内容是否正确：Dashan, who ___has been learning___ crosstalk, the Chinese comedic tradition, for decades, wants to mix it up with the Western stand-up tradition.
①
正确
②
错误
【判断题】
判断线上的内容是否正确：Not until recently___had they encouraged ___the development of tourist-related activities in the rural areas.
①
正确
②
错误
【判断题】
判断线上的内容是否正确：Many young people, most___of them___were well-educated, headed for remote regions to chase their dreams.
①
正确
②
错误
【判断题】
判断线上的内容是否正确：Mother who takes care of everybody is usually the most ___considerate___ person in each family.
①
正确
②
错误
【单选题】
He unbuttoned his shirt to _______ a big scar on his chest.
①
adapt
②
react
③
review
④
reveal
【单选题】
The American Red Cross is one of the volunteer organizations _______ purpose is to help the sick and the needy.
①
its
②
that
③
who
④
whose
【单选题】
Hi, is Mary there, please?_________
①
Hold on. I’ll get her.
②
No, she isn’t here.
③
Yes, she lives here.
④
Yes, what do you want?
【单选题】
He didn’t pass the final examination. He ______ it.
①
must have prepared for
②
ought to prepare
③
ought to have prepared for
④
ought to prepare to
【单选题】
Andy, ____________ ?Oh, that’s my father! And beside him, my mother.
①
What is the person over there
②
Who’s talking over there
③
What are they doing
④
Which is that