百度试题 结果1 题目Bronze is an alloy of copper and (锡).相关知识点: 试题来源: 解析 tin 本题考查名词。1. 分析句意:青铜是铜和锡的合金。2. 确定答案。根据句意及中文提示“锡”,判定本空填写不可数名词tin。反馈 收藏
A bronze sculpture is mainly made of ___. A. iron and copper B. copper and tin C. aluminum and zinc D. silver and gold 相关知识点: 试题来源: 解析 B。青铜主要由铜和锡组成。选项 A 铁和铜不是青铜,选项 C 铝和锌不是青铜,选项 D 银和金不是青铜的成分。反馈...
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bright copper wire bright glare desktop bright hotel of yunna bright intelligent bright path bright red color bright spacious lobby bright star sky bright starts - teeth bright systems wallpa bright viscose bright your life brightbrew charm brightener brightenin brightening chemicals brighter brightinthe...
a因为价钱合理公道,他签下了这份合同。 Because the price reasonable justice, he signed this contract.[translate] aBrass is an alloy of copper and zinc. It has much better abrasion resistance, better corrosion resistance and lower electrical conductivity as compared with copper. Phosphor bronze is an...
the xiaolangdi key wa the xiongcun copper-g the yha the youth hos the years at the spri the yellow kid the yellow peril the yellow river and the yellowstone natio the yilbegan the ying quartet the young pilot felt the young riders the young taoi fighte the yukon news the zebra crossing...
A process for the recovery of copper - and bronze powder is removed from, with these metals by means of withdrawn, iron - or steel scrapWENDEROTT DR. BERTHOLDVOGT CARLSCHULZE DR. HERBERT
Copper oxide is formed when Cu reacts with atmospheric oxygen. It is black in color. The color of copper darkens with time due to the formation of CuO on the surface of Cu. CuO has a fixed composition by mass. There is a chemical bond between Cu and O. CuO can be converted back ...
hotpot,in a book about all kinds of food.Hotpot was very popular then.People liked to put all kinds of meat and vegetables into (7) A.They also used different (8) C to make pots such as copper(铜)and iron(铁). It's said that Emperor Qianlong of the Qing Dynasty...
which highlights the charm of the mother coin and makes the thin gold style of weizong royal book jump to the top. Its copper quality at that time already belonged to fine, the coating pulp rust color is good, after nearly a thousand years of history wash, still can be distinguished, is...