Keras 提供的 tf.keras.datasets.mnist.load_data() 函数加载 MNIST 数据集后，返回的数据格式为形如______ Numpy 元组。 A: (x_train, x_test), (y_train, y_test) B: [x_train, x_test], [y_train, y_test] C: [x_train, y_train], [x_test, y_test] D: (x_train, y_train), (x_test, y_test)

Then (the train comes) A: the train comes B: the train come C: dose the train come D: comes the train

Which train has now been cancelled? A: The train to Jinan B: The train to Zhengzhou C: The train to Tianjin D: The train to Hangzhou

My fatheroften goesto work_______ . A: with train B: y train C: from train D: to train

What time ……… A: the train leaves? B: leaves the train? C: is the train leaving? D: does the train leave?

Which train has now been cancelled A: [A] The train to Jinan． B: The train to Zhengzhou． C: The train to Hangzhou．

Do you know what time______? A: does the train leave B: leaves the train C: the train leave D: the train leaves

I often go to school______. A: by train B: by a train C: by the train D: by trains

下面的一段python程序是使用支持向量机在iris数据集上... (X_train, y_train)

--The train __________ (leave) already. --When __________ the train __________ (leave)?