下面（）不是有效的变量名 A: _score B: "banana" C: Number D: my-score

下面创建数组的方法正确的有（ ）。 A: var fruit=new Array("apple","banana","orange","peach"); B: var fruit={"apple","banana","orange","peach"}; C: var fruit=["apple","banana","orange","peach"]; D: var fruit=["apple","banana","orange",123];

What’s the meaning of “top banana”?

There is orange and banana on the plate. A: a; an B: a; a C: an; a D: an; the

Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"

(4)请将香蕉banana用工具 H—Head，T—Tail从L中取出。 L=(apple,(orange,(strawberry,(banana)),peach),pear)

What would you like for the drinks? A: A banana cake. B: A cup of coffee C: A glass of orange juice. D: A glass of banana milk. E: Apple pie.

阅读下列程序,程序输出的结果是______。()fruits = ['Banana', 'Apple', 'Lime']fruits_new = [ii[0].lower() for ii in fruits]print(fruits_new) A: ['Banana', 'Apple', 'Lime'] B: ['anana', 'pple', 'ime'] C: ['banana', 'apple', 'lime'] D: ['b', 'a', 'l']

定义并初始化一个用于存放我们国家的四个直辖市的数组cityName，四个直辖市为：北京，上海，天津，重庆. 正确的是_________ A: String[] cityName=new String[4]{"北京","上海","天津","重庆"}; B: String[] cityName=new String[]{"北京","上海","天津","重庆"}; C: String[] cityName={"北京","上海","天津","重庆"}; D: String cityName = new String[4] { "北京", "上海", "天津", "重庆" };

已知有一个名为names的空列表,如何向其中添加old_driver,rain,jack,shanshan,peiqi,black_girl 元素？ A: names.append("old_driver","rain","jack","shanshan","peiqi","black_girl") B: names.extend("old_driver","rain","jack","shanshan","peiqi","black_girl") C: names.insert("old_driver","rain","jack","shanshan","peiqi","black_girl") D: names.extend(["old_driver","rain","jack","shanshan","peiqi","black_girl"])