题目内容

What does the word "industrious" mean in "It may also be said that rational, industrious, useful human beings are divided into two classes"? (Line 1, para.2)

A. companies
B. hard-working

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What structure is applied in Para.2?

A. general-specifical--general
B. general-specific
C. specifical--general

能量㶲属于状态参数,取决于热力学系统所处的状态。

A. br>
B. 关于热量㶲,论述错误的是( )。
C. 热量㶲与环境温度有关;
D. 热量㶲与热源温度有关;
E. 从环境吸收的热量,没有作功能力;
F. 热量㶲就是热量中能作功的部分。

工质从温度为300℃的高温热源可逆吸热100kJ,环境温度20℃。工质获得㶲( )。

A. 48.9 kJ;
B. 51.2 kJ;
C. 93.3kJ;
D. 100 kJ。

When you write a letter or note, it is important to use the correct layout; if you don’t, you create a bad impression on others. Put the following components (A-F) in the correct places in the letter below.