【判断题】若将氢电极置于pH=7的溶液中(pH2=100 kPa),此时氢电极的电势值为一0.414 V。 ( )
【判断题】工业机器人的应用程度是衡量一个国家工业自动化水平的重要标志。
【单选题】–Do you know ____________for London tomorrow? -- At 6:00 o’clock in the morning.
【判断题】若将氢电极置于pH=7的溶液中( =100kPa),此时氢电极的电势值为-0.414V。( )
【单选题】Mr Smith has two , both of whom are teachers in a school.
【单选题】–When did you leave home? –I went to the United States at the age of_______.