• 2022-06-15
    已知原电池[tex=25.0x1.571]liat+nFxRf8A3VA39WYfGtfrCW4MuSPiMpe+61Z2SH47TxNIwgkzY8LUI4VBt05WKCEOZ6Pk9M9s3wRZMGRqyv7fKboBwZUyx02X4xsW4LjInC1XETdk3ca/Lwh4xDUvFFTb7hhSqnkH+3kGdRZV4ZBAyIgI7y01v89e0T88SJWWcHm8Q+0GdHxv5iIquzGSHuO4cPtyPz+IGHw047/cIr8r3y9Ud4J3ceo2zJbLjJrryt5mtevxMVN9jGBQIkBX[/tex],向负极加入[tex=3.429x1.214]Mifbl5qhl9QVx8zZlPFtf+ktRhO/V55/pwqOtYRSyp0=[/tex]使[tex=1.857x1.357]GBSafy4VAOGqw7HmVJkY1g==[/tex]生成[tex=3.857x1.286]er66EVc6ikwNFizEZxOY1/y7gaC8j2nYDtBvyBiIkrrn12w6q7H3HOQMs6OUFcTK[/tex]沉淀,并使[tex=11.357x1.571]F4wr4YMo9QNC8QuSQN3PKESFMUqqYmGQChCknLiIFfjqi6By1N4TLvTxC4aj8lR5oga2VmVHx3CIU7UfbNQFnDSGpXqs2sgln8agk4NNg4kwfTJ+DqskfqGHTxXhGBmh[/tex], [tex=2.357x1.0]m5fKCA0WGhfJpuVc0VWfdw==[/tex]时,[tex=4.643x1.0]vWMsZYTaKilGmrCkH9yYgA==[/tex]。计算[tex=6.357x1.357]SdegJ7n6cPiuI6g7tdJ+FSNGK2jrpi+NoS1CajDgj/eGGRQTbl1sgbjABu8UXSVvcETuVijWe2flIu58BfrrLw==[/tex]
  • 两极的电势表达式均为:[tex=23.643x1.571]nqQvSD/rp7vZbGckxX4Ee+w7dBaIEk+IoTrkg2M0wqUZmgpJJuvSQoGuar2q3ugg42aAWxfMeLqs78mU4FmRNE/g1HCb237Em+4sEiIBCI3fVREDgPqdwXZFRa3bmMz5QETVFHuGN5IozAl1Zg1kkPjYe8sJQnV1CFSYrJz/KmFQxA9rp8F8gPdSHli0zdy5gV9aWCNCqHh8UB3ek91ynbN35q02oYB+iHW48cFGIUbf/0DGBa+MkbW3Nmss1xR3teX9bUZ6uXvS0oobWDWBVw==[/tex][tex=24.071x3.429]iHv3Mj6zjTzQRWvf6w2eX6EGOIG2hndYNdHDjBc/jbvAKMI+bL7UOp/5Bje/mnlPBNzHn8fZqodWdQ/4Y3U1HBobo+kZR+zzX7FyyF73eMz5X0lLkmZ69M+7Td9RdKeWoLBu3yAlSCxUL6kkhZZIYY6Z18rVi8vvUCQX64ZmRvgtAA4oRkWh7UWIx5OZsw5oPJNbNIWsQ/FgW2wvAu5i9PnC4obYBGw/6aL6/blJo3zRRddGJEV5X1/kuuwlW3NX[/tex][tex=8.786x1.214]39+wmbYLnUqLA3VlwBc7vFPJ3BYa+IduJL/IBO/SOBNoXu+tapk7vOzvmevdNtUj[/tex][tex=12.857x1.5]jEBiTKfn4JpNaXJdmxCl/lgNqly8aqJUXjA9SKjWJW/D5wTUYQCck7zN6GomTzogsi+PKiUt2tHAoUhXFx5LRHjewW/MWn7Wfo6vltoQSCK58MtKt2ID44vDeV29U4yNfuSuyCqH4WyevfFOE6uG6Q==[/tex]

    举一反三

    内容

    • 0

      【阅读理解(选择)/完型填空】基于以下描述回答 1-2 题: 下表是 9 名评委对 10 名学生的毕业设计进行等级评定结果: 评委 A B C D E F G H I J 1 1 2 4 3 9 6 5 8 7 10 2 1 4 2 5 6 7 3 10 8 9 3 1 3 4 5 2 8 9 6 10 7 4 1 3 4 5 2 6 10 8 7 9 5 1 9 2 5 6 3 4 8 10 7 6 1 4 9 2 5 6 7 3 10 8 7 1 3 5 10 2 6 9 7 8 4 8 1 3 5 7 6 4 8 10 2 9 9 1 2 8 4 9 6 3 7 5 10

    • 1

      A=[1 2 3 4 5 6 7 8 9]A(5)=[]A=1 4 7 5 8 3 6 9

    • 2

      已知a=[1 2 3; 4 5 6; 7 8 9],执行命令:a([3,1],:)=a([1,3],:),a将变为( )。 A: [4 5 6;4 5 6;4 5 6] B: [7 8 9;4 5 6;1 2 3] C: [2 2 2;5 5 5;8 8 8] D: [3 2 1;6 5 4;9 8 7]

    • 3

      下面语句的输出结果是?range(len('HelloWorld')) A: [1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11] B: 11 C: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] D: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]

    • 4

      【单选题】myarray1=np.arange(15) myarray2=myarray1.reshape(5,3) print( myarray1) print(myarray2) 输出值是? A. [ 1  2  3  4  5  6  7  8  9 10 11 12 13 14 15] [[ 0  1  2] [ 3  4  5] [ 6  7  8] [ 9 10 11] [12 13 14]] B. [ 1  2  3  4  5  6  7  8  9 10 11 12 13 14 15] [[ 1  2  3] [ 4  5  6] [ 7  8  9] [10 11 12] [13 14 15]] C. [ 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14] [[ 0  1  2] [ 3  4  5] [ 6  7  8] [ 9 10 11] [12 13 14]] D. [ 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14] [[ 1  2  3] [ 4  5  6] [ 7  8  9] [10 11 12] [13 14 15]]