If the expansion work w = -15 J, it indicates that the work is done on the surroundings.

M: The air conditioner in my room is broken and I can’t work.W: Why not go to the office What does the woman mean（） A: The man can sleep in the office. B: She can have someone to repair the air conditioner. C: She can work without air conditioner. D: The man can do his work in the office.

If the expansion work w = -15 J, it indicates that the volume change is negative.

If surroundings do work on the system, its W is ( ) A: Greater than 0 B: Less than 0 C: Equal to 0 D: Cannot be determined

Cleaning, painting and repairing work is known as ____.: Lashing work|Maintenance work|Overtime work|Tallying work

W: What 1)______________ have for breakfast? M: Well, I often have eggs, some bread and milk. W: Do you 2)________________at work? M: No, but sometimes I have lunch at my desk. W: 3)______ rice for breakfast? M: No, I seldom have rice. W: Don’t you 4)_____ rice? M: Yes, I do. But I don’t eat it for my breakfast. I usually have it 5)_______.

This problem is too hard for me to ______. A: work at B: work on C: work out D: work in

SQL中，用于提交和回滚事务的语句分别是（）。 A: END WORK和ROLLBACK WORK B: COMMIT WORK和ROLLBACK WORK C: SAVE WORK和ROLLUP WORK D: COMMIT WORK和ROLLUP WORK

Which of the following is NOT a common job requirement A: work at home B: work in an office C: work in a store D: work on the phone E: work in a closet

Work like a dog means ( ). A: work as you like B: work for making money C: work hard D: work without making money