I know that-1(English listening practice)

1. Which grows the fastest? A sunflower? A bamboo? A pineapple(鳳梨)?
A: A bamboo. Banboo is the fastest. Some can grow one meter (1公分) a day.

2. WhiCH is the most intelligent? A pig? A mokey? A dog?
A: A mokey. Mokey is the most intelligent. Did you know one mokey learned
     over 1000words.

3. Which river is longer? The Amazon? The Nile?
A: The Nile. The Nile is 6665 kilometers long.

4.Where is the highest waterfall(瀑布)? Africa? Asia? Sonth America?
A: South America. Angel Falls(因及瀑布) is the highest waterfall. It's in
     Venezul, South America. It's 980 meters.