In this world, only the fastest 2)__________.

substr_count("Hello world.The world is nice","world",12,15); A: 1 B: 2 C: 3 D: 4

青书学堂: (2).  The next World Cup will be held in_______.

There are 2 ___________ in the show--- Good Morning World . One is male, the other is female

Half the world — nearly 3 billion people — ____ (live) on $2 a day.

How much oil does the Middle East produce today A: most of the world's oil supplies. B: 2/3 of the world's oil supplies. C: 1/3 of the world's oil supplies. D: 1/4 of the world's oil supplies.

What is NOT true to that World Cup(). A: It was held in 1986. B: The disputed goal occurred in the quarterfinals. C: The score between Argentina and England was 2 to 1. D: Argentina eventually lifted the World Cup with the score of 2 to 1.

According to passage 2, China is the world's most popular tourist destination.

Before the World War I, Britain controlled about ________ of the world's landmass. A: 1/3 B: 1/4 C: 1/2 D: 3/4

该语句echo substr("Hello world",10)."<br>";打印结果为______(1)_______,该语句echo substr("Hello world",-10)."<br>";打印结果为______(2)_______,该语句echo substr("Hello world",-10,-2)."<br>";打印结果为____(3)________,