【判断题】滴定分析的相对误差一般可达到0.1%左右,用50 mL滴定管滴定时,所耗用溶液的体积应控制在20 mL以上。
【单选题】What can we learn from the passage?
A.
As long as you take action you can overcome stress.
B.
When you feel pressures you should take action.
C.
College life is both new and challenging for students.
D.
You can enjoy your life by the source of stress.
【判断题】滴定分析的相对误差一般可达到0.1%左右,用50ml滴定管滴定时,所耗用溶液的体积应控制在20ml以上。( )
【判断题】滴定分析的相对误差一般可达到0.1%左右,用50mL滴定管滴定时,所耗用溶液的体积应控制在20mL以上。( )
【判断题】滴定分析的相对误差一般可达到0.1%左右,用50mL滴定管滴定时,所耗用溶液的体积应控制在20mL~40mL。
【单选题】-- Must I return the book by the end of next month? -- . You can keep it as long as you like.
【判断题】滴定分析的相对误差一般可达到0.1%左右,用50mL滴定管滴定时,消耗溶液的体积应控制在20mL以上。
【判断题】滴定分析的相对误差一般可达到 0.1% 左右,用 50mL 滴定管滴定时,消耗溶液的体积应控制在 20mL 以上( )
【单选题】You can see a large signal on the wall:_____!
C.
Long does the PRC live