已知列表x = [1, 2]，那么执行语句x.extend(3)之后，x的值为 。

已知列表x = [1, 2]，那么执行语句 x.extend([3])之后，x的值为[1, 2, 3] A: 正确 B: 错误

已知x=list(range(6))，不能在列表x的尾部添加一个元素8的代码是__________。 A: x.insert(6,8) B: x.append(8) C: x[6:] = 8 D: x.extend([8])

已知列表 x = [1, 2]，那么执行语句 x.extend([3]) 之后， x的值为____________如果：已知列表 x = [1, 2]，那么执行语句 x.append([3]) 之后，x的值为_____________

已知列表x = [1, 2],那么执行语句x.extend([3]) 之后, x的值为___()_______。 A: [[1], [2]] B: [1, 2, 3] C: [3, 1, 2] D: [1, 2, [3]]

extend

How many beats can the pause extend? A: 1 beat B: 2 beats C: Extend appropriately according to the piece style D: Extend the total duration of this measure by half

确保两个活塞伸出长。 A: Make sure that the two pistons extend equally. B: Ensure the two pistons extend evenly. C: Ensure the two pistons extend uniformly.

Generally speaking, when two people meet, _______________________. A: the one with higher rank or authority will first extend his or her hand B: the one with lower rank or authority will first extend his or her hand C: They extend their hands at the same time

Please extend the L/C for ten days.