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【单选题】
卡诺定理和卡诺热机,结论不正确的是A.
热不是物质，热机必须有工作介质
B.
所有热机中的热功效率最高为η = 1 - (T2 - T1) / T2
C.
只有理想气体为工作介质的卡诺热机才是可逆卡诺热机
D.
不管什么工作介质，不管任何工作原理，可逆卡诺热机效率都相等
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【简答题】Traffic jams often build up when drivers to see what happened in a crash.
【简答题】Correct errors, if any, in the following sentences from 21-40. The scholars met once a year to exchange experiences.
【单选题】Traffic jams often build up when drivers to see what happened in a crash.
A.
slow at
B.
slow down
C.
slow on
D.
slow in
【简答题】Correct errors, if any, in the following sentences:Open to all anglers (垂钓者) this is a form of fishing.
【简答题】Correct errors, if any, in the following sentences:That was a red-carpet room.
【简答题】Correct errors. if any, in the following sentences: Just take a took at that fellow, so you'll get sick.
【简答题】Correct errors. if any, in the following sentences: The admen ( 广告员 ) not only convince the reader that the Continental is a luxury car but also that the car confers status on its owner.
【多选题】下列关于着装TPO原则说法正确的是()
A.
T 指我们的穿着要符合一天中的早晚时间、一年中的四季变化和社会时代的潮流。
B.
P 指穿着要符合自己所处的地点和环境，因地制宜。
C.
O 指穿着要适合自己，并符合自己希望给别人留下的印象。
D.
O 指在职场中的着装还需要考虑你所在的公司的行业特点和企业文化。
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