按照IUPAC的电化学分析分类方法，属于有电极反应并施加可变大振幅激发信号的是（）。

阅读理解。判断下列句子正误。正确的在括号里打“√”，错误的打“×”。

Mike: This is my family photo. The man is my father. He's a driver.

Amy: Is this your mother?

Mike: Yes, she is. She's a teacher.

Amy: Is this your uncle?

Mike: Yes. He's a doctor.

Amy: Who's this woman?

Mike: She's my aunt. She's a nurse.

( ) 1. Mike's father is a doctor.

( ) 2. Mike's mother is a teacher.

( ) 3. Mike's uncle is a doctor.

( ) 4. Mike's aunt is a driver.

下列说法正确的是

A．液态氯化氢、固态氯化钠不导电，所以HCl、NaCl不是电解质

B．NH₃、CO₂水溶液均能导电，所以NH₃、CO₂均是电解质

C．蔗糖、酒精在水溶液中或熔化时不导电，所以它们不是电解质

D．铜、石墨均导电，所以它们是电解质

下列生活中的现象包含化学变化的是

A．海水晒盐

B．牛奶变酸

C．玻璃破碎

D．蔗糖溶解

室间隔缺损必然导致心室水平的左向右分流，其血流动力学效应为：___________，___________和___________。

机动车在夜间道路上发生故障难以移动时要开启危险报警闪光灯、示廓灯、后位灯。