s="Hello World",s[::-1]输出什么内容？ A: “Hello Worl” B: “Hello World” C: 'lroW olle' D: 'dlroW olleH'

运行以下代码的结果是什么：a = 'Hello world'print(a[::-1]) A: Hello world B: Hello worl C: olleH D: dlrow olleH

下面代码程序输出的值是多少（）？a="Hello world"print(a[: : -1]) A: Hello worl B: dlrow olleH C: dlrow olle D: Hello world

The fifth generation development program emphasizes A: the infrastructure of the computing industry. B: the logical progression of developments. C: human-computer interaction and artificial intelligence. D: the social need to cope with an increasingly complex worl

Asia’s oil needs A: are greater than its supply. B: are less than its supply. C: will not overtake North America within five years. D: will not overtake any other country in the worl

class Test { public static void main(String[] args) { StringBuffer sb = new StringBuffer("hello world"); sb.delete(6,sb.length()); System.out.println( sb.toString() ); } } A: Hello w B: Hello C: Hello worl

在SAE标准中，机油型号中含有的W字符代表的是（）。 A: 世界（Worl通用 B: 冬季（Winter）使用 C: 较宽（Wid的使用温度 D: 野外（Wil使用

A: Congratulations! I hope you'll be very happy. B: ______ A: Thanks, the same to you. B: Thanks, I'm sure we will. C: Yes, that's for sure. D: Yes. I am sure we'll be the happiest couple in the worl

What is sometimes referred to as global illiteracies ？（） A: The ability to read reports written in many different language B: The ability to succeed in a cross cultural environmen C: The ability to develop intenationally accepted contract D: The ability to communicate using drawings and pictograms which are understood all over the worl

Which of the following statements in true（） A: Women’s struggle for recognition has been completely won. B: Women have proved their abilities in many fields. C: Women can not get the same educational opportunities as men. D: Women are now regarded as equal to men all over the worl