________________, invented by Zhang Heng, can indicate the direction of a distant earthquake. It was over 1,700 years later that a similar instrument was invented in Europe.

2022-06-07

答案：

 Seismograph

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The custom of eating with a fork was（） A: brought to Europe from America B: begun when forks were invented C: brought to Europe from Asia D: invented by Italians
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It's common knowledge that black tea ______ in China more than 600 years ago. A: is invented B: was invented C: invents D: invented
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18.Edison__________the electric bulbs over one hundred years ago. A: found B: discovered C: thought D: invented
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This distance-recording chariot is a kind of odometer, which was invented by Zhang Heng.（）。
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Invented in China, paper moved out of China, first to Samarkand and then into Europe from the Islamic portals of Sicily and Spain. A: Paper, which was invented in China, moved out of China B: Paper, when was invented in China, moved out of China C: Paper, where was invented in China, moved out of China D: Paper, what was invented in China, moved out of China