【单选题】在恒温下的密闭容器中,有可逆反应2NO(g)+O 2 (g) 2NO 2 (g),不能说明该反应已达到平衡状态的是( )
D.
生成NO 2 的速率与生成O 2 的速率相等
【简答题】Once there was an old man in a town. He always forgot a lot of things. So his wife always had to say to him, 'Don’t forget this ! ' One day he went on a long trip alone. Before he left home, his wife ...
【单选题】在恒温下的定容密闭容器中,有可逆反应2NO(g)+O 2 (g) 2NO 2 (g),不能说明该反应已达到平衡状态的是
D.
生成NO 2 的速率与生成O 2 的速率相等;
【简答题】A) 根据首字母及所给中文提示或英文解释,写出句中所缺单词。 1. All the doctors and nurses on the ORBIS plane are v_____________. 2. Do you know the saying, “ ________(真正地). 3. K____________ is power, and we should try to learn as...
【简答题】一.听故事“爱情与金钱”Chapter 4,回答问题 2020.3.9 1. How many detectives came to Molly’s house? (写数字) _______ 2. Introduce the detectives. The Inspector did not smile . He was a big man in an old black _________ an...
【单选题】The old worker has been fired and now a young man ______.
【单选题】恒温下,在反应2NO 2 (g) = N 2 O 4 (g) 达到平衡后的系统中加入惰性气体,则:
【单选题】关于花斑糠疹的皮损表现,下列说法正确的是( )
D.
弥漫性对称性分布或多部位发病,表面覆有少量极易剥离的糠秕状 鳞屑,反光性强
【单选题】The lady in this strange tale very obviously suffers from a serious mental illness. Her plot against a completely innocent old man is a clear sign of ______.
【单选题】植物拉丁学名除命名人外由哪两个拉丁词组成: