Directions: Translate the following passage into Chinese.Write your answer on the ANSWER SHEET.
　　Now we sometimes name things after the letters of the alphabet they resemble: a U-turn, an I-beam a T-square, an S-bend, and so on.The Greeks did the same.The triangular area of land built up at the mouth of the Nile looked like the fourth letter of the Greek alphabet delta (Δ) and so this was the name they gave it.The word is now used for all areas of land formed at the mouth of rivers which flow into tideless seas, even when they are nor triangular in shape.The Mississippi delta, for example, is not shaped at all like the Greek delta, as you will see if you look at a map.