2-C. Ancient Mesopotamians believed the base-60 system was unusual.Ancient Mesopotamians believed the base-60 system was unusual.
古代のメソポタミア人は、信じていた、60進法が普通でなかった(時制の一致)とダヨ。
3-C. Ancient Mesopotamians, whose system of time we have adopted, are believed to have used a base-60 system.Ancient Mesopotamians, whose system of time we have adopted, are believed to have used a base-60 system.
4-C. In addition, you can take advantage of modern hotels and restaurants, and at the same time, see Cuzco's fascinating history preserved in its architecture, language, and ancient treasures.In addition, you can take advantage of modern hotels and restaurants, and at the same time, see Cuzco's fascinating history preserved in its architecture, language, and ancient treasures.
5-C. The ancient Romans would be amazed at what we now know about our solar system.The ancient Romans would be amazed at what we now know about our solar system.
6-C. The ancient Romans identified five of them, naming them after some of their gods: Jupiter, Mars, Mercury, Venus, and Saturn.The ancient Romans identified five of them, naming them after some of their gods: Jupiter, Mars, Mercury, Venus, and Saturn.
7-C. Clearly, vinegar was an important discovery for ancient civilizations which remains useful even today.Clearly, vinegar was an important discovery for ancient civilizations which remains useful even today.