How many times have you squeezed toothpaste from tube? Too many times to count? You may be interested to know that it was not always packaged in tubes.
Toothpaste was once sold only in jars and often the family members all dipped their toothbrushes into the same jar. Not very healthful!
In 1892, Dr. Washington Sheffield, a dentist, had the idea of putting toothpaste in tubes. He began to sell tubes of toothpaste, and business was so good that he produced tubes for other products also. The next time you squeeze a tube of toothpaste, think of Dr. Sheffield and his wonderful idea.
1. The best title is .
A.Jars and Brushes B.An Unhealthy Idea C.The Beginning of Toothpaste Tubes D.A Dentist Makes a million Dollars
2. The story says that toothpaste was once sold in .
A.boxes B.pipes C.jars D.bowls
3. Dr. Washington Sheffield was .
A.an eye doctor B.a dentist C.a teacher D.a foot doctor
4. One thing the story does not tell about the toothpaste tube is .
A.when Sheffield got the idea B.who invented it C.how much it cost D.if it was a success
5. The underlined word “produced" in the last paragraph means .
A.cleaned B.lost C.made D.squeezed
答案解析：
1. C. The Beginning of Toothpaste Tubes
解析：文章讲述了牙膏是如何从罐子转变为管装的，因此最合适的标题是关于牙膏管开始的选项。
2. C. jars
解析：文章第二句提到牙餐曾经是“sold only in jars”，所以正确答案是罐子。
3. B. a dentist
解析：文章第三段第一句明确指出Dr. Washington Sheffield是一位牙医 a dentist)。
4. C. how much it cost
解析：文章没有提到牙膏管的价格，所以这是故事没有告诉我们的关于牙膏管的事情。
5. C. made
解析：在文中，“produced”指的是Dr. Sheffield制造或生产了牙膏管，所以“made”是正确的同义词。
