【明報專訊】The United States Dollar (USD) is the official currency of the United States and is the most popular currency in international transactions. There are several types of banknotes in circulation. Let's take a look at the portraits on them!

■$5

Abraham Lincoln, the president who abolished slavery

HE served as the 16th president of the United States from 1861 to 1865. He is known for freeing slaves in the southern United States.

"If slavery is not wrong, nothing is wrong."

■$100

Benjamin Franklin, famed inventor

HIS greatest achievement was carrying out several experiments on electricity. He once flew a kite to draw down electricity from the clouds on a lightning day. This experiment led to the invention of the lightning rod (避雷針).

■$1

George Washington, the first president of the United States

HE served as the first president of the United States from 1789 to 1797. Just like Dr. Sun Yat Sen, who was given the title "Father of the Nation", George Washington is generally recognized as one of the Founding Fathers of the United States.

◆Interesting fact

Middle name - unlike most people in English society nowadays, George Washington did not have a middle name.

■Gear up

(See picture)

Across

4. Creating something that has never been made before

5. The activity of owning other people who are forced to work for or obey you

Down

1. Ａ flash of bright light in the sky that is produced by electricity moving between clouds or from clouds to the ground

2. The money in use in a particular country

3. To end an activity or custom officially

(Answers on next text)

Hint: You can find the answers on the same page.

■Glossary

transaction (n) 交易

in circulation (phrase) 流通、循環

abolish (v) 廢除

experiment (n) 實驗

[Smarties' Power English 第257期]