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tooth（pl teeth）（）
A.v. 关，关闭 a. 亲密的，近，靠近
B.n. （pl. teeth）牙齿
C.n.片；张；薄片；被单
D.n 厨房
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题目内容
（请给出正确答案）
A.v. 关，关闭 a. 亲密的，近，靠近
B.n. （pl. teeth）牙齿
C.n.片；张；薄片；被单
D.n 厨房
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更多“tooth（pl teeth）（）”相关的问题
第2题
A. decade
B. declare
C. decay
D. deceit
第3题
The child brushes her ______ every day.
A、tooths
B、teeth
C、teeths
D、tooth
第5题
False teeth have been found in Italy in human heads that are over 2,500 years old. They were made of bone and set in gold. However，for hundreds of years afterwards，the apparent dental skill of those early people was lost. Without false teeth people looked old before their time，since so many lost their teeth at an early age.
Toward the end of the 17th century，rich people could buy false teeth made from ivory. The teeth were tied together with silk thread，but it was difficult to keep them in the mouth. That was why rich people would rather buy teeth from the poor who would often sell their teeth to buy food and clothing.
Early in the 18th century a French doctor used steel springs to hold teeth in place. However，it was difficult to close one‘s mouth! Late in the same century porcelain (瓷)teeth set in gold were often used to make false teeth.
Although the use of artificial teeth increased，human teeth continued to be used also. In the 19th century，teeth from soldiers killed in battle were made into artificial teeth. For example，teeth from the dead in the American Civil War were sent to England.
By the middle of the 19th century，an American doctor，Claudius Ash，invented a better kind of porcelain tooth made of a special kind of hard rubber.
26.When did people with the earliest false teeth live according to the passage？
[A] At the end of the 17th century.
[B] In the early 18th century.
[C] In the middle of the 19th century.
[D] Over 2,500 years ago.
27.Which material would wealthy people use to make artificial teeth in 1693？
[A] Porcelain.
[B] Hard rubber.
[C] Ivory.
[D] Bone.
28.Who first used steel springs to tie false teeth together according to the passage？
[A] An Italian doctor.
[B] A French doctor.
[C] An American doctor.
[D] An English doctor.
29.We can learn from the passage that ___________.
[A] one looked older than his real age with artificial teeth
[B] we are using the same method as ancient people in making false teeth
[C] poor people would often sell their teeth to get money in the 17th century
[D] human teeth were no longer used in making false teeth after the 18th century
30.The passage is mainly about ___________.
[A] the discovery of false teeth
[B] the material of false teeth
[C] the use of false teeth
[D] the history of false teeth Passage Three
第9题
