【题目】1. which pron.哪一个,哪些,是疑问代词Which is heavier, iron or copper?铁和铜哪一种更重?1.哪个是你的自行车?___ ___your bike?2.茶和咖啡你比较喜欢哪种?___ ___ you like better, tea or coffee?which adj.哪一个,哪些,后接名词3.哪一辆自行车是你的?___ ___is yours?4.你...
根据For 34 years, the one-cent coin was made out of copper.它是用铜做的,故选D。【小题2】细节理解题。根据No penny has ever sold for so much money.以前认为它不值钱,故选C。【小题3】细节理解题。根据twelve were made in the Philadephia mint, and five were made in the San Francisco ...
Bronzeis not as common as brass due to its higher value to produce and purchase. It is also a non-ferrous and alloy metal. Bronze is a heavier metal than brass and can be found in plumbing fixtures and larger items like statues and decor. Another common item for which bronze is used i...
Build quality of my T2SS is excellent–this thing is built like a tank. To me it gives off a distinctly “industrial” feeling–almost like it’s saying“this is a solid, long-lasting tool”rather than just“this is a shaving razor.” The T2SS is 3 grams heavier than the stock T2 ...
Elements heavier than iron can only be created when high mass stars explode (supernovae). The Latin name for iron is ferrum, which is the source of its atomic symbol, Fe. The word iron is from an Anglo-Saxon word, iren. The word iron is possibly derived from earlier words meaning "...
Is a hot object heavier than a cold one? Name the only metal that exists as a liquid at room temperature. A relatively large plate of glass is subjected to a tensile stress of 42.1 megapascals. If the specific surface energy and the modulus elasticity for this glass are 0.3 ...
Coach's notes: Skip ahead to the big red answer if you know what "density" means. But if you're confused because you know that a pound of gold weighs the same as a pound of feathers, but still feel that "gold is heavier than feathers", let's think it through :-) ...
It’s capable of conducting four times as much as steel wire fencing. However, it’s not so suitable for fast-moving animals such ascoyotesand horses. In addition, it can easily bend, so it will not stop heavier animals. With that in mind, thealuminum wiredoesstretch, so you must use...
Why is steel harder than aluminum? Evenwith the possibility of corrosion, steel is harder than aluminum. ... Steel is strong and less likely to warp, deform or bend underweight, force or heat. Nevertheless, the strength of steel's tradeoff is that steel is much heavier/much denser than al...
Energy could actually be gained, however, by breaking apart nuclei heavier than iron.The fusion reaction of deuterium and tritium turns out to be the easiest approach to fusion because of a relatively large cross section and very high mass defect. When these two nuclei (of the hydrogen ...