925 silver oxidizes when exposed to air leading to chemical changes in its wake. Using a soft white cloth, rub a small part of the jewelry, if the surface produces a black mark it would mean that the product is sterling silver. On the other hand, the color change would be absent in f...
―Silver.A. What B. Who C. Where D. How 2 1. ―___ is the ring made of? ―Silver. A. What B. Who C. Where D. How 3 1. ―___ is the ring made of? ―Silver. A. What B. Who C. Where D. How 反馈 收藏
【题目】-__is the ring made of?Silver. A. WhatB. WhoC. WhereD.Hou 答案 【解析】【答案】A【解析】核心短语/词汇:be made of:由...制成句子译文:一这个环是什么制作的?一银。根据题干要求,应该填上一个能在句中作介词of的宾语的特殊疑问词,又根据答语Silver(银)指物,选A。选项B:谁,问...
百度试题 结果1 题目 ( D )5. The discovery of how silver is made may be but it turned out to be an important event. A. convenient B. correct C. complete D. accidental 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
and can either be ordered online or bought at a jewelry supply store. Once you have your test kit, make sure you are in a well-ventilated area and carefully apply a drop of the nitric acid to a cleaned portion of your metal. If the acid changes color, it means your item is silver....
百度试题 结果1 题目 (D)5. The discovery of how silver is made may be,butitturned out to be an important event.A. convenientB. cosrectC. completeD. accidental 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
determine whether or not the piece is real gold. Some jewelry stores will charge you a small fee for this service, but it is foolproof if that is what you want. Unfortunately, even a jeweler is not going to be able to tell if a piece of jewelry is real gold just by looking at it...
When browsing through online jewelry stores, do you ever wonder where these businesses get their merchandise? Most likely, a large number of them are dropshipping their products. If you’re interested in selling jewelry online, read on to learn what dropshipping is, and how you can set up ...
What Is Silver? The term “silver” refers to aprecious metalcommonly used in the production of jewelry, coins, electronics, and photography. It has the highest electrical conductivity of any metal and is, therefore, a highly valuable substance. ...
The discovery of how silver is made may be,bu it turned out to be an important event.A.convenientB. correctC. completeD. accidental)6.Many shops in Chinatoshut down as a new law against ivory(象牙trade came into effect on January 1st, 2018.A. orderedB. didn't orderC. were orderedD...