A:该电池工作时,每消耗22.4L NH3转移3mol电子
B:电子由电极A经外电路流向电极B
C:电池工作时,OH﹣向电极B移动
D:电极B上发生的电极反应为:O2+4H++4e﹣=2H2O
Bob is six years old.He is old enough to go to school. On the first day,his teacher taught him three words,“I,you,he”.Then the teacher said,“I am your teacher.You are my student.He is your student. He is your classmate.”When school was over,Bob went home. His mother asked him,“What has your teacher taught you today?”Bob said with a smile,“Listen,Mum and Dad,I am your teacher.You are my student.He is your classmate.”His mother said,“No,dear.You’re wrong.”Then she said,“I am your mother.You’re my son.He’s your father.”The next day,Bob’s teacher asked Bob to make sentences with “I,you and he”.Bob stood up and said,“I’m your mother.You’re my son.He is your father.”All the students in Bob’s class laughed.
某贫困县为建形象工程,10天内强拆千户民房,而这些拆迁都是在没签订补偿协议,没对群众进行妥善安置的情况下进行的。这种做法侵犯了公民的( )
(2015•绵阳)下表是某人吸入空气与呼出相同体积气体的成分含量比较数据,分析正确的是( )
气体成分
氮气
氧气
二氧化碳
水
其他气体
在吸入空气中的含量(%)
78
21
0.03
0.07
0.9
在呼出气体中的含量(%)
16
4
1.1