[单项选择]Coin collection is one of the oldest known hobbies. In the past it was often enjoyed by kings and scholars. It is also a pleasant way of saving.
The designs (图案) on coins tell many stories. The coins of a country often are a record of its history and geography (地理) . Some old coins tell us all we know about a country or a period of history. Coins tell us about the art, dress and hairstyles (发型) of people who lived long ago.
To get the most enjoyment from your hobby of coin collecting, read as much as you can on the subject. Try to form a group of collector friends. If you have an old or foreign coin, find out where and when it was made, its name and value, and what you could have bought with it when it was in use.
Never clean a coin unless it is caked with dirt. Clean away the dirt with soap and warm water. Do not use anything hard. This will damage both the looks and value of the coin.

In order to keep the coins clean, you should put them in a box.
A. Right.
B. Wrong.
C. Doesn’t say.

[单项选择]Coin collection is one of the oldest known hobbies. In the past it was often enjoyed by kings and scholars. It is also a pleasant way of saving.
The designs (图案) on coins tell many stories. The coins of a country often are a record of its history and geography (地理) . Some old coins tell us all we know about a country or a period of history. Coins tell us about the art, dress and hairstyles (发型) of people who lived long ago.
To get the most enjoyment from your hobby of coin collecting, read as much as you can on the subject. Try to form a group of collector friends. If you have an old or foreign coin, find out where and when it was made, its name and value, and what you could have bought with it when it was in use.
Never clean a coin unless it is caked with dirt. Clean away the dirt with soap and warm water. Do not use anything hard. This will damage both the looks and value of the coin.

Coin collection started long time ago.
A. Right.
B. Wrong.
C. Doesn’t say.

[单项选择]Thomas Alva Edison is known as one of the greatest inventors of his time. He was awarded more patents (专利权) on inventions than any other Americans. When he died in 1931, Americans wondered how they could best show their respect for him.
One suggestion was that the nation observe a minute or two of total blackout (停电). All electric power would be shut off in homes, streets and factories. Perhaps this suggestion plan made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off even a short time would have led to complete confusion. A blackout was out of the question.
On the day of Edison’s funeral (葬礼), many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put the great force of electricity at his countrymen’s fingertips.
Which of the following statement is true according to the first paragraph
A. Edison received the first American patent.
B. Edison got the most patents in America at that time.
C. Edison was the only American inventor.
D. Edison was the first American inventor.

[填空题]·is known for one of its members being the largest rose plant

[单项选择]