Steel is an alloy composed ___of iron and carbon. A. primarily B. traditionally C. carefully D. partially 相关知识点: 试题来源: 解析 正确答案:A解析:primarily主要地;traditionally传统上地;carefully小心地,谨慎地;partially部分地。该句的意思是“钢铁主要是由铁和碳构成的一种合金”,故答案为A。反馈...
Steel is an alloy(合金)composed ()of iron and carbon.A.primarilyB.traditionallyC.carefu
Steel is an alloy composed ___of iron and carbon. A.primarilyB.traditionallyC.carefullyD.partially 答案 A[解析] primarily主要地;traditionally传统上地;carefully小心地,谨慎地;partially部分地。该句的意思是“钢铁主要是由铁和碳构成的一种合金”,故答案为A。相关推荐 1Steel is an alloy composed ___of...
Steel is an alloy composed {{U}}primarily {{/U}}of iron and carbon. A.traditionallyB.ironicallyC.carefullyD.principally 相关知识点: 试题来源: 解析 D [词义辨析] primarily表示“主要地”,与D项的principally“主要地”表示的含义相同。Traditionally“传统地”;ironically“讽刺地”;carefully“小心地”...
19 Steel is an alloy with a very small percentage of carbon. C Which statement is correct? A A decrease in the percentage of carbon makes the steel more brittle. B An increase in the percentage of carbon makes the steel softer. C Carbon disrupts the metallic structure of iron. D Iron ...
A3 Steel is an alloy of iron and carbon.(a)Describe, with the aid of labelled diagram(s), the benefit of mixing carbon with iron.(b)The percentage of iron in steel can be determined vi a reaction with dilute sulfuric acid.The iron in steel reacts with dilute sulfuric acid to produc...
1英语翻译Steel is an alloy of iron and carbon with other elements added to produce specific properties.the various types of steel can be grouped under two major headings.carbon steel .a steel in which the main alloying element is carbon .carbon steels are further divided into three groups .lo...
The map was drawn to the standard ()of 1 to a million, so there was not much detail. 点击查看答案手机看题 问答题 This scandal was all the more alarming because the companies involved in were mostly trusted ()names and the perpetrators were their top executives. ...
A black slate (石板),an alloy steel needle and decades of practice are (1) whatLi Yahua needs to create the perfect Huihe stone shadow carving work of art.With her left hand (2) gently(gentle) leaning against the mirror-like stone to support the heavy chisel (凿子) she's holding in ...
The meaning of STAINLESS STEEL is an alloy of steel with chromium and sometimes another element (such as nickel or molybdenum) that is practically immune to rusting and ordinary corrosion.