This is the third biggest suspension bridge in the world at a length of 8,038 meters. The architect of this bridge was Dr David B Steinman who directed the construction of the bridge which started in the year 1954 and was opened to the public in 1958. People using this bridge are charged a certain amount of money.

　　Navajo Bridge

　　Located in Arizona, this bridge crosses the Colorado River and is almost 250 meters long. The construction of this bridge started in the year 1927, ending two years later, costing $390,000. In the 1990s a second bridge was built which was opened to the public in 1994. The first bridge is now used only by pedestrians.

　　21．What do we know about the Golden Gate Bridge?

　　A．It consists of two bridges.

　　B．It costs the least of the five bridges.

　　C．It is the longest suspension bridge in the world.

　　D．It takes about 4 years to complete the construction.

　　22．Which of the following bridges was built the earliest?

　　A．Golden Gate Bridge. B．Brooklyn Bridge.

　　C．George Washington Bridge. D．Navajo Bridge.

　　23．What will you do if you drive across Mackinac Bridge?

　　A．Have to pay some money.

　　B．Use the second bridge.

　　C．Cover nearly 250 meters.

　　D．See the statue of Dr David B Steinman.

　　B

Body Language in the United States

Most people shake hands and make eye contact when they meet people for the first time. Among very good friends, a woman may give another woman a little hug, and a man may kiss a woman quickly on the cheek. Males don't hug one another, which, however, is changing. Men usually shake hands with the right hand. Sometimes they use the left hand to either cover the handshake or lightly hold the other person's arm. This shows greater warmth and friendship. Most people wave hello or good-bye by extending the palm(手掌) facing outward, and twisting the hand at the wrist. Another way is to raise the arm, palm outward, and move the whole arm and hand back and forth. This is important to know because in many other countries,the same movements mean "no".