【单选题】生产该产品时直接消耗的能量,称为直接能耗。()
【判断题】间接能耗与直接能耗之和称为该产品的全能耗。
【单选题】From the conversation, we get the impression that Janet is ______.
【单选题】听力原文:W: How can we get to the airport in time for a 7: 00 flight? There isn't enough time left. M: We could take a cab. But the subway is almost as fast, and cheaper. Q: How will the man and woman get...
【单选题】驾驶机动车在道路上靠路边停车过程中如何使用灯光?