【单选题】根据表1-7-2,要纺棉纱21英支,棉熟条定量设计为哪个合适?
【简答题】If you _______ something such as a plan or proposal, you invent it, thinking about the details carefully.
【判断题】热力型氮氧化物就是指在燃烧中,空气中的氮气被氧化。
【判断题】热力型氮氧化物就是指空气中的氮气被氧化。
【简答题】With prices ________ so much, it is difficult for the school to plan a budget. A) vibrating B) fluctuating C) fluttering D) swinging
【简答题】There has not been a favorable (respond) ______ to your plan so far.