题目

连词成句。1. showed, his, the, two, clothes, king, the, men, new (.)_____________________________________________________________2. her ,and, students, Miss fox, playing, are, game, a (.)_____________________________________________________________3. isn’t, clothes ,the, wearing, any, king (.)_____________________________________________________________4. in, the, the, new, his, king, city, walked, clothes, through (.)_____________________________________________________________5. to, the, was, her, nice, king (.)_____________________________________________________________标准状况下，在3支相同体积的试管中分别充有体积比为4:1的2种混合的气体，它们是: ①NO和NO2②NO2和O2③NH3和N2，现将3支试管均倒置于水槽中，充分反应后，试管中溶液物质的量浓度之比为A. 1:1:1 B. 5:4:4 C. 4:4:5 D. 5:4:5