Step-By-Step-3000-第二册--Unit5-答案

Step-By-Step-3000-第二册--Unit5-答案

Unit 5 Creative Minds

Part I-A

Gasoline automobile, German, engineer, 1885

Barometer, Italian, physicist & mathematician, 1643

Polaroid camera, America, inventor & industrialist, 1947

Pendulum clock, Dutch, mathematician & physicist

Diesel engine, German, engineer, 1892

Dynamite, Swedish, chemist, 1866

Kaleidoscope, British, physicist & natural philosopher, 1817

Piano, Italian, harpsichord maker, 1709

Sewing machine, American, inventor, 1846

Typewriter, American, inventor, 1867

Tapescript:

1.The gasoline automobile was invented by Gottlieb Daimler, the German engineer, in 1885 His construction of the first high-speed internal-combustion engine led to the development of the automobile industry.

2.The barometer, the instrument for measuring atmospheric pressure, was invented by Evangelista Torricelli, the Italian physicist and mathematician, in 164

3.

3.The polarod camera, which takes and prints photos in one step, was invented in 1947 by the American inventor and industrialist Edwin Herbert Land.

4.The pendulum clock was invented by the Dutch mathematician and physicist Christiaan Huygens in 1657.

5.The diesel engine, which is heavier and more powerful than the gasoline engine and which burns fuel of oil instead of gasoline, was named after its inventor Rudolph Diesel, the German engineer in 1892.

6.Dynamite, the improved explosives with great safety, was invented in 1866 by the Swedish chemist Alfred Bernhard Nobel. He established a fund to provide annual awards called Nobel Prizes, in the sciences, literature, and the promotion of international peace.

7.He kaleidoscope was invented in 1817 by Sir David Brewster, the Scottish physicist and natural philosoper.

8.The piano, a key-board musical instrument, was invented in 1709 by the Italian harpsichord maker, Bartolomeo Cristofori.

9.The sewing machine, which greatly revolutionized clothes-making, was invented by Elias Howe, an American inventor in 1846.

10.The typewriter, its first practical commercial model, was invented in 1867 by the American inventor Christopher Sholes and was manufactured by the American gunsmith Philo Reminton 1874.

Part I – B

1- a 2- d 3- e 4- i 5- f

6-j 7-g 8-b

Tape script

1.People in England made the first computer. It was built in 1943. It was made to help England understand secret messages during World War II.

2.Someone in Australia invented the fax machine. After the fax machine was invented, it first became popular in East Asia.

3.Folding fans came from Japan. They were invented in Japan almost 800 years ago.

4.The first car came from Germany. It was invented by Karl Benz in 188

5. Benz is still famous. His name is on the Mercedes-Benz car.

5.A man in Canada invented the chocolate bar. He lived in Nova Scotia- in the eastern part of Canada. He invented the chocolate bar in 1800s.

6.The first really accurate calendar was invented in Mexico. This calendar was made about 1,500 years ago. That's when people learned that the year was 365 days long.

7.The first mechanical clock was invented in China. It was invented in the year 725-over1,250 years ago.

8.People think Africans created the first puppets. Actually, no one is sure, but puppets were probably created to help tell stories.

Part I – C

paper clips -1901

post-its -1980

celluar phone -1973

automatic washing machines -1930s

disposable diapers -1961

zippers -1913

Band-Aids -1921

soft contact lenses -1961

Tape script

1.The design of paper clips is perfect. There's been little improvement since Norwegian Johan Vaaler got his American patent in 1901. Only about 20% are actually used to clip papers.

2.Post-it is one of the top five best-selling office suppliers. To make Post-its, introduced in 1980, 3M had to develop the adhesive, primer, back-side coating and new manufacturing equipment.

3.The first cellular phone was developed in 1973 by Martin Cooper at Motorola, and a test of 1,000 such phones followed in Chicago. The Federal Communication Commission authorized cellular service in 1982, and we haven't shut up since. More than a third of all households in the U.S subscribe.

4.Among those credited with making electric washing machines was Alva J. Fisher. The machines used wringers to remove water from clothes. Truly automatic machines appeared in the 1930s. An early ad for a GE washer read,