What material is used for making etchings? A. Metal B. Glass C. Plastic D. Rubber 相关知识点: 试题来源: 解析 A。本题考查蚀刻所使用的材料。选项 B“Glass(玻璃)”一般不用于蚀刻。选项 C“Plastic(塑料)”也不是蚀刻常用的材料。选项 D“Rubber(橡胶)”同样不是蚀刻会用到的材料,蚀刻通常使用“...
What is the main material used in folk art? A. Metal B. Clay C. Wood D. Plastic 相关知识点: 试题来源: 解析 B。民间艺术主要使用的材料通常是泥土,选项 A“金属”不常作为主要材料;选项 C“木头”有一定使用但不如泥土普遍;选项 D“塑料”是现代材料,不是民间艺术常用材料。
What is the main material used in clay sculpture? A. Wood B. Metal C. Clay D. Stone 相关知识点: 试题来源: 解析 C。本题考查黏土雕塑的主要材料。黏土雕塑自然主要使用黏土这种材料,选项 A 木材常用于木雕;选项 B 金属用于金属雕塑;选项 D 石头用于石雕。
A. A chemical reaction is taking place. B. The metal is evaporating. C. The acid is solidifying. D. The bubbles are from the air. 相关知识点: 试题来源: 解析 A。金属与酸反应会产生气泡,这是化学反应。金属不会蒸发;酸不会固化;气泡不是来自空气。本题考查化学反应的概念。反馈...
1.metal 考查名词,分析句子,结合选词,推测意思是人类发现了铁,它是一种非常有用的金属.前面被单数a修饰,故用单数即可,故答案是metal金属.2.works 考查名词,分析句子,结合选词,推测意思是你认为作者的作品怎么样?它们读起来很美,但很难理解.当work作作品讲时,是一个可数名词,下文they即指代上文的作品,故用复数...
Carbon is a non-metal and therefore has covalent bonds. However, in this experiment, it exhibited metallic properties. Carbon in the form of graphite is the only non-metallic element that conducts electricity.As we all know, graphite is composed of sheets of hexagons of carbon atoms joined ...
It is a material made of a single layer of carbon atoms. [解析]细节理解题。题干意为:石墨烯是一种新型材料吗?它是什么?(不超过15个词)根据第四段中“Graphene, first discovered in 2004, is a material made of a single layer of carbon atoms”(在2004年发现的石墨烯是一种由单层碳原子组成的...
Things Made up of Metal In everyday life, we use numerous things made up of metal. These include utensils, pencils, nail cutters, foil paper, wires, jewellery, bolts and nuts, gates, coins, alloy wheels, tools, cutlery, car parts, metal windows, and doors. Also, mercury is used in th...
Tell the healthcare provider if you have any metal in or on your body. Blood tests may be used to check your overall health. Your blood's ability to clot will also be tested. The tests may include a check for diabetes. Diabetes increases your risk for a stroke.How is an AVM treated...
Titanium is an inert metal known for its exceptional physical properties. Its high strength-to-weight ratio makes it particularly suitable for applications requiring both lightness and durability, such as joint replacements and dental implants. Titanium has a density of 4.5 g/cm³, a melting ...