题目内容
（请给出正确答案）
[主观题]
【C5】A．separatedB．changedC．chargedD．found
【C5】
A．separated
B．changed
C．charged
D．found
如搜索结果不匹配，请 联系老师 获取答案
【C4】
A．knowing
B．know
C．knew
D．known
更多“【C5】A．separatedB．changedC．char…”相关的问题
第4题
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2
】______ forward in civilization came when bronze, an alloy,【C3】______ stone as the main material for tools and weapons. The iron replaced bronze. The first elements【C4】______ were those that were found free in nature or could be readily【C5】______ from their ores at relatively low temperatures. During the Middle Ages, chemistry was mostly practised by the alchemists,【C6】______ tried to turn base metals into gold, and who were interested in discovering a way of living for【C7】______ . But they discovered many important【C8】______ about the metals and some of the most easily attainable compounds. Even before the Middle Ages, people knew how to【C9】______ mercury, tin, and iron from their ores. By the time of Paracelsus, chemistry was developed largely to the effort of【C10】______ medicines.
【C1】
A．times
B．schedules
C．plans
D．timing
热门考试
全部 >
相关试卷
全部 >
2024年造价工程师《技术与计量（土建）》考试模拟试卷（一）2024年造价工程师《技术与计量（土建）》考试模拟试卷（二）2024年造价工程师《技术与计量（土建）》考试模拟试卷（三）2024年造价工程师《技术与计量（土建）》考试模拟试卷（四）2024年造价工程师《技术与计量（土建）》考试模拟试卷（五）2024年造价工程师《技术与计量（土建）》考试模拟试卷（六）2024年造价工程师《技术与计量（土建）》考试模拟试卷（七）2024年造价工程师《技术与计量（土建）》考试模拟试卷（八）2024年造价工程师《技术与计量（土建）》考试模拟试卷（九）2024年造价工程师《技术与计量（土建）》考试模拟试卷（十）
