A. Steel and iron. B. Perovskite solar cells and organic solar cells. C. Copper and aluminum. D. Gold and silver. 相关知识点: 试题来源: 解析 B。中文解析:文章明确提到正在研究的有前途的太阳能电池材料包括钙钛矿太阳能电池和有机太阳能电池,其他选项中的材料并非用于太阳能电池。反馈...
We should keep flammable materials away from heat sources. What are some examples of flammable materials? A. 水 B. 石头 C. 木材 D. 金属 相关知识点: 试题来源: 解析 C。解析:本题考查常识和词汇理解。“flammable materials”是“易燃材料”,木材是易燃材料。水不是易燃物;石头和金属也不易燃。涉及...
B. Paper, plastic, and glass. C. Plastic, glass, and metal. D. Wood, metal, and glass. 相关知识点: 试题来源: 解析 B。解析:文中提到“For example, there are bins for recyclable materials like paper, plastic, and glass.”,所以提到的可回收材料有纸、塑料和玻璃。反馈 收藏 ...
Before making a pen holder, we need to collect some materials. What is NOT a material
相关知识点: 试题来源: 解析 1. materials 2. characteristic 第一句话需要填入“材料”,英语中“材料”可以用“materials”表示。第二句话需要填入“特点”,英语中“特点”可以用“characteristic”表示。因此,答案为: 1. materials 2. characteristic反馈 收藏 ...
Some things are made of metal (金属). Some things are made of glass. Some things are made of wood. Some things are made of cloth. And some things are made of plastic (塑料). There are some other materials. But they are not used as much as these 5 materials....
Learn what green packaging is & how using the most sustainable packaging materials helps both the environment & your business. Read more here!
答案:Physical materials[解析] 原文接下来说的是实体材料,即Physical materials。填空题 During interpretation, short-term memory operations occur continually. Some are due to the lag between the moment speech 1 sounds heard and the moment they are interpreted: 2 phonemic segments may have to be ...
what makes you feel g what materials are us what may be done done what meaning is what medication are y what model is this ca what on earth have i what once was lost ma what one what program to do what really mattered what s right what s too much what s wrong andy what secrets ...
while reducing costs while singing songs while some people while teachers reject while the necklace is while the poor while the quantum while the rustling au while watching movies while we play tennis while were dreaming s while you are here wi while you bring me wa while you make myster whil...