(0-10秒) according to the speaker, under what kind of conditions one can consider to live independently by oneself?
再热循环总是可以提高循环效率。
please listen to the following ted talk and answer the questions followed. (5分29-5分52秒) the speaker then describe the most important conclusion from the physics, first,_____________, and second, _____________.
please listen to the following ted talk and answer the questions followed. (1分55秒-2分17秒) british physicist john tyndall, in the 1850's, made laboratory measurements of the infrared radiation, which is heat. and he showed that gasses such as co2___________ , thus acting like a blanket warming earth's surface.
提高朗肯循环热效率的措施有: 。
作为工质应具有良好的 。
对于理想气体而言,在可逆等温膨胀过程中,其自由能和自由焓的变化量相等。
please listen to the video in the website on the topic of “airbnb guests are finding hidden cameras planted in their rentals”and then tell true(t) or false(f) for the following statements (1:12—1:36) the problem was not in coincidence, and an indiana couple said they found a camera in a oke detector in the bedroom at their airbnb in florida. the home owner was arrested for "video voyeuri."