aI didn't Know you were her mother.'' 我不知道您是她的母亲。"[translate] aAre you ready money yet 正在翻译,请等待...[translate] aThe King wanted to know if his Crown was pure gold or a mixture of gold and silver. 国王想知道他的冠是否是纯净的金子或金子和银混合物。[translate]...
Disclosed are a preparation based on gold, silver, a mixture of gold and silver, and glutathione/chitosan, and an application of same. The preparation can target some lesion positions such as tumor cells/tumor tissue in the living body, and effectively accelerate apoptosis of the tumor cells ...
At first, peo-ple used precious metals, such as gold and silver, to make coins. They stamped the shape of a person or an-imal on each coin to indicate its value.In the 13th century, people in Chin a used iron coins for their currency. These coins weren't worth very much, and ...
根据“Before people had metal coins and paper bills, they used a lot of unusual things for money. ”可知,用很多不寻常的东西来兑换货币,故选B。 (2)题详解: 词义猜测题。根据“such as gold and silver”可知,金银都属于贵重的金属,所以划线单词 表示“贵重的”,故选C。 (3)题详解: 推理判断...
No one knows for sure when people started using metal coins for money.Scientists have found coins dating from 600 BC,so we know they have been around for a long time.At first people used the precious metals,such as gold and silver to make coins.In the 1200s,people in China used iron(...
The second held up the lost altar that they once called Sapphirus, which was like the changing of the sea and of the sky, and like the immixture of gold and silver. FromProject Gutenberg His prose, of which he is the first high and various master in English, was shaped and coloured...
b.The condition of being mixed:the inevitable mixture of different cultures in big cities. 2.Something produced by mixing, as: a.A combination of ingredients used in cooking or baking. b.One that consists of diverse elements:The day was a mixture of sun and clouds. ...
At first people used the precious metals, such as gold and silver to make coins. In the 1200s, people in Chin a used iron (铁) coins for their currency. These coins weren’t worth very much, so people had to use a lot of them to make their purchases (购买物). Because iron coins...
At first, people used precious (稀有的) metals, such as gold and silver, to make coins. In the 1200s, people in China used iron coins for their currency. These coins weren't worth very much, so people had to use a lot of them to make their purchases (买东西). Because it was ...
B. Vellaichamy, P. Periakaruppan, A facile, one-pot and eco-friendly synthesis of gold/silver nanobimetallics smartened rGO for enhanced catalytic reduction of hexavalent chromium. RSC Adv.6(62), 57380–57388 (2016) CASGoogle Scholar ...