What was gunpowder originally used for? A. Making weapons B. Building houses C. Making fireworks D. Farming 相关知识点: 试题来源: 解析 C。解析:“It was originally used for making fireworks and later developed into weapons.”,火药最初是用来制作烟花的。
B. Only weapons. C. Fireworks and weapons. 相关知识点: 试题来源: 解析 C。中文解析:文章中提到“Gunpowder has many uses. It can be used in fireworks to make beautiful displays. It can also be used in weapons to protect people.”,所以火药可以用于烟花和武器。反馈 收藏 ...
Even toy guns — including water guns and Nerf guns — count here. This includes any toy or object that resembles a weapon. Flares, ammunition, and gunpowder are forbidden, too. Only accessories like gun holsters and rifle scopes get the okay from TSA. 2. Flammables Flammables may sound as...
Electric motor is used at low speed wile gas motors perform better at high speed generating extra power for a particular motor weight. During rush hours, when vehicles are continuously stopping and running, performance of electric motor is appreciative. Gas motor supports higher speed supporting ...
I KNOW OF NO REASON WHY THE GUNPOWDER TREASON SHOULD EVER BE FORGOT. Dystopia literatures became popular during the twentieth century and reached its peak after World WarⅠand World WarⅡ. Highly developed technology, political dictatorship and low...
A. gunpowder B. papermaking C. the compass D. the first pencil (5) Which of the following is TRUE? A. The pencil was first produced in China in 1662. B. There is an exact answer to the question about who invented the pencil. C. People showed their feelings by drawing pictures on...
is that science gathers knowledge faster than society gathers wisdom.⑤ Gunpowder was originally used for making fireworks, and that is what surprises me most.⑥ What I am curious about is how they manage to survive on such a low income.⑦ The question is wether machines can ever really ...
What Is Saline Solution Good For? Saline solution has many applications in the world of medicine. It can be used to clean wounds, in an IV drip for dehydration and electrolyte imbalances and to flush catheters or IVs. Saline solution is often recommended by doctors to use as nasal drops or...
What is the main difference in propulsion between a bullet and a pellet? Bullets are propelled by the explosion of gunpowder, while pellets are usually fired by compressed air or gas. 6 Can the terms bullet and pellet be used metaphorically? Yes, both can be used metaphorically to describe ...
Firework is a device containing gunpowder and other combustible chemicals that causes a spectacular explosion when ignited. Firecracker is a small firework that makes a loud bang, primarily used for noise. Difference Between Firework and Firecracker ...