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【单选题】

Men seem to have always take an interest in meteorites (陨星), but【C1】______the early nineth century【C2】______these objects considered worth【C3】______for scientific study.
In the beginning, people believed【C4】______meteorites fell from the heavens, they were other gods themselves or【C5】______from the gods.Thus the more civilized of early men carefully kept the meteorites,【C6】______ them in costly linens and anointing them with oil.【C7】______many instances, the people【C8】______special temples【C9】______the meteorites were【C10】______.Meteorite worship was common long ago in the Mediterranean area, and in Africa, India, Japan, and Mexico; 【C11】______worship still persists in some regions.
Although many people held meteorites in reverence, 【C12】______if they were seen to fall, other practicalminded individuals made good use of the【C13】______and easily-worked alloy【C14】______by nature in the nickel-iron meteorites.They frequently used this metal【C15】______tools, and often pots and other utensils.Throughout history, meteoritic iron【C16】______manufacture of special swords daggers, and knives for members of royalty.Attila and other early conquerors of Europe boasted.【C17】______ 'swords from heaven'.【C18】______the end of the nineth century, several swords were made【C19】______a Japanese iron meteorite【C20】______the command of the Japanese court.
【C1】

A.
not until
B.
until
C.
since then
D.
since
题目标签:陨星
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举一反三

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