• 2021-04-14 问题

    雨课堂: 4.4s层电子未填满的元素是过渡族元素。

    雨课堂: 4.4s层电子未填满的元素是过渡族元素。

  • 2022-06-05 问题

    比亚迪e1的0-50公里加速是()秒 A: 4.4S B: 4.9S C: 5.9S D: 8.5S

    比亚迪e1的0-50公里加速是()秒 A: 4.4S B: 4.9S C: 5.9S D: 8.5S

  • 2022-06-16 问题

    中国2型糖尿病的空腹血糖控制目标为多少?() A: 4.4~7.0mmol/L B: 4.4~7.2mmol/L C: 4.4~6.1mmol/L D: 4.4~7.8mmol/L

    中国2型糖尿病的空腹血糖控制目标为多少?() A: 4.4~7.0mmol/L B: 4.4~7.2mmol/L C: 4.4~6.1mmol/L D: 4.4~7.8mmol/L

  • 2022-06-29 问题

    【4.4】298K时电池Pt (s),H2 ( pθ)│HCl (m)│H2 ( 0.1pθ),Pt (s)的电池电动势为 A: 0.118V B: −0.059V C: 0.0295V D: −0.0295V

    【4.4】298K时电池Pt (s),H2 ( pθ)│HCl (m)│H2 ( 0.1pθ),Pt (s)的电池电动势为 A: 0.118V B: −0.059V C: 0.0295V D: −0.0295V

  • 2022-06-06 问题

    It is expected that the world's population will reach ______ by the end of the century. A) 2 billion people C) 80 percent of all people B) 4.4 billion people D) 6.4 billion people A: It is expected that the world's population will reach ______ by the end of the century. B: 2 billion people C: 4.4 billion people D: 80 percent of all people E: 6.4 billion people

    It is expected that the world's population will reach ______ by the end of the century. A) 2 billion people C) 80 percent of all people B) 4.4 billion people D) 6.4 billion people A: It is expected that the world's population will reach ______ by the end of the century. B: 2 billion people C: 4.4 billion people D: 80 percent of all people E: 6.4 billion people

  • 2022-07-23 问题

    在MATLAB命令窗口中,键入语句a = 2.4; b=2; c=4; 执行命令s = a + b\c后,变量s的值为( ) A: 2.9 B: 1.1 C: 4 D: 4.4

    在MATLAB命令窗口中,键入语句a = 2.4; b=2; c=4; 执行命令s = a + b\c后,变量s的值为( ) A: 2.9 B: 1.1 C: 4 D: 4.4

  • 2022-06-07 问题

    酚酞指示剂的变色范围为()。 A: 3.1~4.4 B: 4.4~6.2 C: 8.0~10.0

    酚酞指示剂的变色范围为()。 A: 3.1~4.4 B: 4.4~6.2 C: 8.0~10.0

  • 2021-04-14 问题

    4.4 案例教学4

    4.4 案例教学4

  • 2022-10-30 问题

    酚酞指示剂变色范围为()。 A: 3.1~4.4; B: 4.4~6.2; C: 8.0~10.0; D: 6.8~8.0。

    酚酞指示剂变色范围为()。 A: 3.1~4.4; B: 4.4~6.2; C: 8.0~10.0; D: 6.8~8.0。

  • 2022-06-08 问题

    HCl滴定NaOH,以甲基橙为指示剂(变色范围pH=3.1~4.4)。滴定终点的pH为( ) A: 7.0 B: 小于3.1 C: 3.1~4.4 D: 大于4.4

    HCl滴定NaOH,以甲基橙为指示剂(变色范围pH=3.1~4.4)。滴定终点的pH为( ) A: 7.0 B: 小于3.1 C: 3.1~4.4 D: 大于4.4

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